A field experiment was conducted during the Rabi season of the year 2018-19 at Research farm of T... more A field experiment was conducted during the Rabi season of the year 2018-19 at Research farm of Tirhut college of Agriculture Dhoil, Muzaffarpur (Bihar), to study the "Response of Potato (Solanum tuberosum L.) to Integrated Nutrient Management" with variety Kufri Ashoka. Treatments consisted of five levels of RDF (0, 75, 100, 125, 150%) and two sources of organic manures (farm yard manure @ 20.0 t/ha and spent mushroom substrate @ 4.0 t/ha). The results revealed that there was a significant difference in various plant growth and yield parameters like plant height, number of shoots, number of leaves per plant, dry matter accumulation, bulking rate of tubers, yield attributes and fresh yield of tubers due to various treatment applied in the experimentation. The outcome of the research trial revealed that treatments T5-100% RDF (150: 90: 100 N, P2O5 K2O kg/ha) + FYM 20.0 t/ha and T6-100% RDF (150: 90: 100 N, P2O5 K2O kg/ha) + SMS 4.0 t/ha gave (252.11 q/ha) and (248.15 q/ha) yield of tubers, respectively, which was found statistically at par to treatments T7-125% RDF + FYM 20.0 t/ha, T8-125% RDF + SMS 4.0 t/ha, T9-150% RDF + FYM 20.0 t/ha and T10-150% RDF + SMS 4.0 t/ha. A similar result was observed with respect to other crop growth attributes, dry matter accumulation, and yield attributes of potato. Keeping the fact of sustainable crop production as well as improving soil fertility status, the application of 100% RDF + 20 t/ha farm yard manure or 100% RDF + 4.0 t/ha spent mushroom substrate is recommended for potato cultivation.
A field experiment was conducted to study the response of potato (Solanum tuberosum L.) to integr... more A field experiment was conducted to study the response of potato (Solanum tuberosum L.) to integrated nutrient management with variety Kufri Ashoka. Treatments consisted of five levels of RDF (0, 75, 100, 125, 150%) and two sources of organic manures (farmyard manure @ 20.0 t/ha and spent mushroom substrate @ 4.0 t/ha).The results revealed that there was a significant difference in various plant growth and yield parameters like growth, yield attributes and fresh yield of tubers, total nutrient uptake, the protein content of tuber and the fertility status of the post harvested soil. Application of 100 % RDF coupled with FYM 20 t/ha or SMS 4 t/ha had performed well, found statistically at par to treatments, 125% RDF and 150% RDF integrated with FYM 20 t/ha or SMS 4 t/ha respectively.
Household waste management through vermicomposting technology is one of the best tactics to recyc... more Household waste management through vermicomposting technology is one of the best tactics to recycle household waste. The cross-sectional study was conducted on 60 respondents with the objective, to assess the correlation between the knowledge and practices done by the residents towards HWM through vermicomposting at RPCAU Pusa. Present scrutiny of the data revealed that a maximum number of respondents had a small family and were well educated. Hence the study showed a positive relationship between total family income and knowledge and practices (r-0.307 ) and the relationship between the education level with the respondent’s knowledge and practices (r-0.579) which was most significant at 5% level. The findings of present study may be useful to the community in understanding the importance of education as well as their roles and responsibilities in waste management at the household level. Likewise RPCAU Pusa, Bihar each institute and organization can start such programs to promote environmentally friendly waste management methods for environmental protection and revenue generation.
Current Journal of Applied Science and Technology, 2020
The reduction of household wastes has been a pressing issue and is a key element of waste managem... more The reduction of household wastes has been a pressing issue and is a key element of waste management programme in India. The goal of present research was to evaluate the ongoing Household Waste Management Practices (HWMPs) of the University in managing the waste generated within it. To realize this goal, researchers conducted survey and investigative study with campus residents on HWMPs being followed in the campus. In this backdrop, the present study was conducted with the following two objectives: To measure the Socio-Personal, Socio-psychological profiles and appraisal of on-site treatment of Household Waste of the Respondents with scientific parsimony and to quantify overall satisfaction level of the respondents as dependent variable. Out of total 750 residential quarters in the university from which 50 household heads of the quarters were selected through ‘probability simple random sampling’. In qualitative methods observation, interviews, open-ended surveys, focus groups and o...
Abstract Rice-maize is an emerging cropping system in South Asia that plays significant role in t... more Abstract Rice-maize is an emerging cropping system in South Asia that plays significant role in terms of achieving food security in the region. However, achievement of attainable yield in these two crops is often a constrain due to imbalanced and inadequate use of essential plant nutrients. Understanding the contribution of different nutrients (N, P, K, S and Zn) toward yields of hybrid rice—hybrid maize cropping system in calcareous soil is a need for large number of smallholder farming systems. A four seasons study was conducted with an objective to develop further knowledge on crop productivity and nutrient performance indicators in this newly adapted emerging farming system. Replicated nutrient omission trials were conducted at Bihar, India. At the calcareous soil, omission of the nutrients reduced yields, and N was the most limiting nutrient followed by P and K. Omission of Zn impacted crop yields more than S omission, effect was more prominent in hybrid maize. Nutrient uptake in the cropping system was declined by 58%, 37%, 34%, 31% and 25% for N, P, K, S, and Zn, respectively, when these nutrients were systematically removed from fertilization schedule. Sustainable Yield Index (SYI) for cropping system was highest in the ample balanced fertilizer treatment. Post-harvest soil nutrient availability declined in the nutrient omission plots as compared to the initial soil status. We included additional treatments of ample balanced nutrient application and unfertilized check where hybrid cultivars were replaced by inbred varieties of rice and maize. Cropping system productivity highlighted the synergistic effect of seed and nutrients. The unfertilized checks reduced yield by 9 t/ha and 5 t/ha for the hybrid and inbred cropping systems, respectively. Results from present study conclude that adoption of hybrids in rice-maize system and balanced nutrient management are the best management practices for sustainable food production.
The crop productivity in calcareous soils is low due to their low organic matter content, high pH... more The crop productivity in calcareous soils is low due to their low organic matter content, high pH levels and improper nutrient management without considering the indigenous nutrient supplying capacity and crop yield potential; therefore, this study was conducted for a quantitative assessment of the nutrient supplying capacity of a calcareous soil on the productivity of hybrid and conventional rice and maize crops using an omission plot technique. The treatments included the ample application of Nitrogen (N), Phosphorus (P), Potassium (K), Sulphur (S) and Zinc (Zn), and an unfertilized check and omissions of N, P, K, S and Zn in rice and maize for six cropping seasons. The impact of the nutrient omission towards crop productivity was highest for nitrogen followed by phosphorous, potassium, zinc and sulphur. The total grain yield (3 yr average) in the hybrid rice–maize system was highest (16.32 t ha−1) for the optimum fertilized plot and lowest (6.34 t ha−1) for the unfertilized check...
International Journal of Environment and Climate Change, 2021
A balanced application of organics and inorganic fertilisers could be beneficial to both soil nut... more A balanced application of organics and inorganic fertilisers could be beneficial to both soil nutrient availability, soil health and crop growth. The experiment was conducted on light textured highly calcareous soil at Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa. Four levels of inorganic fertiliser treatments were applied i.e. 50, 100 and 150% of NPK along with no NPK as control as main plot treatments while four levels of organic treatment (i.e. no organics, compost, crop residue and compost+ crop residue) were applied as sub plot treatments in a split plot design with a total sixteen (16) treatments with three replications to investigate the long term effect of application of various doses of recommended fertiliser along with organic amendments on various physico-chemical properties of calcareous soils after 32nd crop cycle . Data was collected on various physico-chemical properties i.e. Soil pH, electrical conductivity (dSm-1), soil organic carbon (...
International Food Policy Research Institute (IFPRI) Discussion Paper Series, 2016
The imbalanced application of chemical fertilizers in India is widely blamed for low yields, poor... more The imbalanced application of chemical fertilizers in India is widely blamed for low yields, poor soil health, pollution of water resources, and large public expenditures on subsidies, amounting to about 1 percent of India’s gross domestic product. To address the issue, the government of India is investing in a large-scale, expensive program of individualized soil testing and customized fertilizer recommendations, with the hope that scientific information will lead farmers to optimize the fertilizer mix. We conducted a randomized controlled trial in the Indian state of Bihar in what we believe to be the first evaluation of the effectiveness of the program as currently implemented. We did not find evidence of a statistically significant impact of customized fertilizer recommendations on fertilizer use. The lack of impact can be attributed to several factors, including a lack of understanding, lack of confidence in the information’s reliability, or other factors such as fertilizer cos...
international journal of research in computer application & management, 2015
Integration of economies world over has brought in multiple growths in the volume of internationa... more Integration of economies world over has brought in multiple growths in the volume of international trade and business. This in turn has led to increase in the demand for international money and need for innovative financial instruments both at national and global level. Changes in the interest rates, exchange rates and equity prices in different financial markets led to increase in the volatility and manifold increase in the financial risk to the individual as well as institutional investors. Adverse changes in these variables have even threatened the very survival of the business world. To manage these risks, new financial instruments have been developed in the financial market, which are popularly known as Financial Derivatives. The basic purpose of Financial Derivatives is to provide commitments to prices for future dates for giving protection against adverse movements in the future prices of underlying assets thereby reduce/manage/control the extent of financial risk. Derivative instruments are different from Insurance, in that they cover general risks whereas the latter covers specific risks. Financial Derivatives also provide an opportunity to earn profit for those persons who have higher risk appetite. These instruments indeed facilitate to transfer the risk from those who wish to avoid it to those who are willing to accept the same. The rate of growth of derivatives is so phenomenal all over the world that now it is called as the derivatives revolution. This paper covers the impact of derivative market on the underlying cash market. To bring out the relationship between derivative market and cash market, variables like turnover, traded quantity, and market capitalisation in the cash segment are analysed before and after the introduction of derivatives.
Yield stability and carbon sequestration of agricultural systems are impacted by nutrient managem... more Yield stability and carbon sequestration of agricultural systems are impacted by nutrient management strategies. Major objectives of this study were to understand the effects of long‐term (43 years) manure application on a) environmental parameters such as soil organic carbon (SOC) sequestration, enzyme activities in surface and subsurface layers, and b) yield, and yield stability under a soybean–wheat cropping system in a Vertisol. For this, 100% recommended dose of nitrogen (N), N and phosphorus (NP), N, P and potassium (NPK), NPK + farmyard manure (NPKM) was compared with an unfertilized control (UC) and a fallow land. After 43 years, NPKM and NPK plots had ∼63 and 30% higher total SOC stock than UC, and 45 and 17% higher total SOC stock than fallow plots, respectively in the 0–30 cm layer. Acid hydrolysable C was ~ 42 and 57% higher for NPKM plots in those layers respectively than fallow land. The proportion of macroaggregates was less than 30% in both soil layers of cultivated plots. NPKM had 44 and 28% greater humic and fulvic acid‐associated C than fallow land in top layer. Enzyme activities improved in NPKM by ~ 60 and 61% as compared with fallow land. A steady decline in soybean productivity over the years might be due to residue effect. However, wheat yield increased steadily with manuring. Higher SOC accumulation (p < .001), greater enzyme activities (p < .05), improved structure (p < .05) could enhance wheat yield under NPKM. Thus, manure application could lead to yield stability and enhance SOC sequestration in subtropical region simultaneously.
An incubation experiment was conducted during Kharif 2018 at RPCAU, Pusa to examine the mineraliz... more An incubation experiment was conducted during Kharif 2018 at RPCAU, Pusa to examine the mineralization of vermicompost in calcareous sandy loam soil at five different stages which match with the critical growth stages of rice crop and the experiment was conducted in Completely Randomized design (3 factors) replicated thrice. There were four levels of vermicompost along with three levels of chemical fertilizers used at field capacity (19.47%) in combinations and alone. Results indicated that content of available P2O5 and K2O in soil increased up to 65 DAI then decreased gradually. Application of increasing level of vermicompost and fertilizer alone or in combination resulted in corresponding increase in the available nutrient content of soil. During the study, it was observed that the treatment combination involving application of highest dose of vermicompost (3.75 t ha-1) along with full dose of fertilizer (RDF) was significantly superior.
Communications in Soil Science and Plant Analysis, 2011
... DOI: 10.1080/00103624.2011.550375 Dilip Kumar a b , Ram Raksha Singh a , Shiveshwar Pratap Si... more ... DOI: 10.1080/00103624.2011.550375 Dilip Kumar a b , Ram Raksha Singh a , Shiveshwar Pratap Singh a , Shankar Jha a &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp; Prashant Srivastava c * pages 728-740. ... 200317. Singh, AP, Sakal, R., Pandeya, SB, Sinha, RB and Choudhary, K. 2003. ...
A field experiment was conducted during the Rabi season of the year 2018-19 at Research farm of T... more A field experiment was conducted during the Rabi season of the year 2018-19 at Research farm of Tirhut college of Agriculture Dhoil, Muzaffarpur (Bihar), to study the "Response of Potato (Solanum tuberosum L.) to Integrated Nutrient Management" with variety Kufri Ashoka. Treatments consisted of five levels of RDF (0, 75, 100, 125, 150%) and two sources of organic manures (farm yard manure @ 20.0 t/ha and spent mushroom substrate @ 4.0 t/ha). The results revealed that there was a significant difference in various plant growth and yield parameters like plant height, number of shoots, number of leaves per plant, dry matter accumulation, bulking rate of tubers, yield attributes and fresh yield of tubers due to various treatment applied in the experimentation. The outcome of the research trial revealed that treatments T5-100% RDF (150: 90: 100 N, P2O5 K2O kg/ha) + FYM 20.0 t/ha and T6-100% RDF (150: 90: 100 N, P2O5 K2O kg/ha) + SMS 4.0 t/ha gave (252.11 q/ha) and (248.15 q/ha) yield of tubers, respectively, which was found statistically at par to treatments T7-125% RDF + FYM 20.0 t/ha, T8-125% RDF + SMS 4.0 t/ha, T9-150% RDF + FYM 20.0 t/ha and T10-150% RDF + SMS 4.0 t/ha. A similar result was observed with respect to other crop growth attributes, dry matter accumulation, and yield attributes of potato. Keeping the fact of sustainable crop production as well as improving soil fertility status, the application of 100% RDF + 20 t/ha farm yard manure or 100% RDF + 4.0 t/ha spent mushroom substrate is recommended for potato cultivation.
A field experiment was conducted to study the response of potato (Solanum tuberosum L.) to integr... more A field experiment was conducted to study the response of potato (Solanum tuberosum L.) to integrated nutrient management with variety Kufri Ashoka. Treatments consisted of five levels of RDF (0, 75, 100, 125, 150%) and two sources of organic manures (farmyard manure @ 20.0 t/ha and spent mushroom substrate @ 4.0 t/ha).The results revealed that there was a significant difference in various plant growth and yield parameters like growth, yield attributes and fresh yield of tubers, total nutrient uptake, the protein content of tuber and the fertility status of the post harvested soil. Application of 100 % RDF coupled with FYM 20 t/ha or SMS 4 t/ha had performed well, found statistically at par to treatments, 125% RDF and 150% RDF integrated with FYM 20 t/ha or SMS 4 t/ha respectively.
Household waste management through vermicomposting technology is one of the best tactics to recyc... more Household waste management through vermicomposting technology is one of the best tactics to recycle household waste. The cross-sectional study was conducted on 60 respondents with the objective, to assess the correlation between the knowledge and practices done by the residents towards HWM through vermicomposting at RPCAU Pusa. Present scrutiny of the data revealed that a maximum number of respondents had a small family and were well educated. Hence the study showed a positive relationship between total family income and knowledge and practices (r-0.307 ) and the relationship between the education level with the respondent’s knowledge and practices (r-0.579) which was most significant at 5% level. The findings of present study may be useful to the community in understanding the importance of education as well as their roles and responsibilities in waste management at the household level. Likewise RPCAU Pusa, Bihar each institute and organization can start such programs to promote environmentally friendly waste management methods for environmental protection and revenue generation.
Current Journal of Applied Science and Technology, 2020
The reduction of household wastes has been a pressing issue and is a key element of waste managem... more The reduction of household wastes has been a pressing issue and is a key element of waste management programme in India. The goal of present research was to evaluate the ongoing Household Waste Management Practices (HWMPs) of the University in managing the waste generated within it. To realize this goal, researchers conducted survey and investigative study with campus residents on HWMPs being followed in the campus. In this backdrop, the present study was conducted with the following two objectives: To measure the Socio-Personal, Socio-psychological profiles and appraisal of on-site treatment of Household Waste of the Respondents with scientific parsimony and to quantify overall satisfaction level of the respondents as dependent variable. Out of total 750 residential quarters in the university from which 50 household heads of the quarters were selected through ‘probability simple random sampling’. In qualitative methods observation, interviews, open-ended surveys, focus groups and o...
Abstract Rice-maize is an emerging cropping system in South Asia that plays significant role in t... more Abstract Rice-maize is an emerging cropping system in South Asia that plays significant role in terms of achieving food security in the region. However, achievement of attainable yield in these two crops is often a constrain due to imbalanced and inadequate use of essential plant nutrients. Understanding the contribution of different nutrients (N, P, K, S and Zn) toward yields of hybrid rice—hybrid maize cropping system in calcareous soil is a need for large number of smallholder farming systems. A four seasons study was conducted with an objective to develop further knowledge on crop productivity and nutrient performance indicators in this newly adapted emerging farming system. Replicated nutrient omission trials were conducted at Bihar, India. At the calcareous soil, omission of the nutrients reduced yields, and N was the most limiting nutrient followed by P and K. Omission of Zn impacted crop yields more than S omission, effect was more prominent in hybrid maize. Nutrient uptake in the cropping system was declined by 58%, 37%, 34%, 31% and 25% for N, P, K, S, and Zn, respectively, when these nutrients were systematically removed from fertilization schedule. Sustainable Yield Index (SYI) for cropping system was highest in the ample balanced fertilizer treatment. Post-harvest soil nutrient availability declined in the nutrient omission plots as compared to the initial soil status. We included additional treatments of ample balanced nutrient application and unfertilized check where hybrid cultivars were replaced by inbred varieties of rice and maize. Cropping system productivity highlighted the synergistic effect of seed and nutrients. The unfertilized checks reduced yield by 9 t/ha and 5 t/ha for the hybrid and inbred cropping systems, respectively. Results from present study conclude that adoption of hybrids in rice-maize system and balanced nutrient management are the best management practices for sustainable food production.
The crop productivity in calcareous soils is low due to their low organic matter content, high pH... more The crop productivity in calcareous soils is low due to their low organic matter content, high pH levels and improper nutrient management without considering the indigenous nutrient supplying capacity and crop yield potential; therefore, this study was conducted for a quantitative assessment of the nutrient supplying capacity of a calcareous soil on the productivity of hybrid and conventional rice and maize crops using an omission plot technique. The treatments included the ample application of Nitrogen (N), Phosphorus (P), Potassium (K), Sulphur (S) and Zinc (Zn), and an unfertilized check and omissions of N, P, K, S and Zn in rice and maize for six cropping seasons. The impact of the nutrient omission towards crop productivity was highest for nitrogen followed by phosphorous, potassium, zinc and sulphur. The total grain yield (3 yr average) in the hybrid rice–maize system was highest (16.32 t ha−1) for the optimum fertilized plot and lowest (6.34 t ha−1) for the unfertilized check...
International Journal of Environment and Climate Change, 2021
A balanced application of organics and inorganic fertilisers could be beneficial to both soil nut... more A balanced application of organics and inorganic fertilisers could be beneficial to both soil nutrient availability, soil health and crop growth. The experiment was conducted on light textured highly calcareous soil at Research Farm of Dr. Rajendra Prasad Central Agricultural University, Pusa. Four levels of inorganic fertiliser treatments were applied i.e. 50, 100 and 150% of NPK along with no NPK as control as main plot treatments while four levels of organic treatment (i.e. no organics, compost, crop residue and compost+ crop residue) were applied as sub plot treatments in a split plot design with a total sixteen (16) treatments with three replications to investigate the long term effect of application of various doses of recommended fertiliser along with organic amendments on various physico-chemical properties of calcareous soils after 32nd crop cycle . Data was collected on various physico-chemical properties i.e. Soil pH, electrical conductivity (dSm-1), soil organic carbon (...
International Food Policy Research Institute (IFPRI) Discussion Paper Series, 2016
The imbalanced application of chemical fertilizers in India is widely blamed for low yields, poor... more The imbalanced application of chemical fertilizers in India is widely blamed for low yields, poor soil health, pollution of water resources, and large public expenditures on subsidies, amounting to about 1 percent of India’s gross domestic product. To address the issue, the government of India is investing in a large-scale, expensive program of individualized soil testing and customized fertilizer recommendations, with the hope that scientific information will lead farmers to optimize the fertilizer mix. We conducted a randomized controlled trial in the Indian state of Bihar in what we believe to be the first evaluation of the effectiveness of the program as currently implemented. We did not find evidence of a statistically significant impact of customized fertilizer recommendations on fertilizer use. The lack of impact can be attributed to several factors, including a lack of understanding, lack of confidence in the information’s reliability, or other factors such as fertilizer cos...
international journal of research in computer application & management, 2015
Integration of economies world over has brought in multiple growths in the volume of internationa... more Integration of economies world over has brought in multiple growths in the volume of international trade and business. This in turn has led to increase in the demand for international money and need for innovative financial instruments both at national and global level. Changes in the interest rates, exchange rates and equity prices in different financial markets led to increase in the volatility and manifold increase in the financial risk to the individual as well as institutional investors. Adverse changes in these variables have even threatened the very survival of the business world. To manage these risks, new financial instruments have been developed in the financial market, which are popularly known as Financial Derivatives. The basic purpose of Financial Derivatives is to provide commitments to prices for future dates for giving protection against adverse movements in the future prices of underlying assets thereby reduce/manage/control the extent of financial risk. Derivative instruments are different from Insurance, in that they cover general risks whereas the latter covers specific risks. Financial Derivatives also provide an opportunity to earn profit for those persons who have higher risk appetite. These instruments indeed facilitate to transfer the risk from those who wish to avoid it to those who are willing to accept the same. The rate of growth of derivatives is so phenomenal all over the world that now it is called as the derivatives revolution. This paper covers the impact of derivative market on the underlying cash market. To bring out the relationship between derivative market and cash market, variables like turnover, traded quantity, and market capitalisation in the cash segment are analysed before and after the introduction of derivatives.
Yield stability and carbon sequestration of agricultural systems are impacted by nutrient managem... more Yield stability and carbon sequestration of agricultural systems are impacted by nutrient management strategies. Major objectives of this study were to understand the effects of long‐term (43 years) manure application on a) environmental parameters such as soil organic carbon (SOC) sequestration, enzyme activities in surface and subsurface layers, and b) yield, and yield stability under a soybean–wheat cropping system in a Vertisol. For this, 100% recommended dose of nitrogen (N), N and phosphorus (NP), N, P and potassium (NPK), NPK + farmyard manure (NPKM) was compared with an unfertilized control (UC) and a fallow land. After 43 years, NPKM and NPK plots had ∼63 and 30% higher total SOC stock than UC, and 45 and 17% higher total SOC stock than fallow plots, respectively in the 0–30 cm layer. Acid hydrolysable C was ~ 42 and 57% higher for NPKM plots in those layers respectively than fallow land. The proportion of macroaggregates was less than 30% in both soil layers of cultivated plots. NPKM had 44 and 28% greater humic and fulvic acid‐associated C than fallow land in top layer. Enzyme activities improved in NPKM by ~ 60 and 61% as compared with fallow land. A steady decline in soybean productivity over the years might be due to residue effect. However, wheat yield increased steadily with manuring. Higher SOC accumulation (p < .001), greater enzyme activities (p < .05), improved structure (p < .05) could enhance wheat yield under NPKM. Thus, manure application could lead to yield stability and enhance SOC sequestration in subtropical region simultaneously.
An incubation experiment was conducted during Kharif 2018 at RPCAU, Pusa to examine the mineraliz... more An incubation experiment was conducted during Kharif 2018 at RPCAU, Pusa to examine the mineralization of vermicompost in calcareous sandy loam soil at five different stages which match with the critical growth stages of rice crop and the experiment was conducted in Completely Randomized design (3 factors) replicated thrice. There were four levels of vermicompost along with three levels of chemical fertilizers used at field capacity (19.47%) in combinations and alone. Results indicated that content of available P2O5 and K2O in soil increased up to 65 DAI then decreased gradually. Application of increasing level of vermicompost and fertilizer alone or in combination resulted in corresponding increase in the available nutrient content of soil. During the study, it was observed that the treatment combination involving application of highest dose of vermicompost (3.75 t ha-1) along with full dose of fertilizer (RDF) was significantly superior.
Communications in Soil Science and Plant Analysis, 2011
... DOI: 10.1080/00103624.2011.550375 Dilip Kumar a b , Ram Raksha Singh a , Shiveshwar Pratap Si... more ... DOI: 10.1080/00103624.2011.550375 Dilip Kumar a b , Ram Raksha Singh a , Shiveshwar Pratap Singh a , Shankar Jha a &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp; Prashant Srivastava c * pages 728-740. ... 200317. Singh, AP, Sakal, R., Pandeya, SB, Sinha, RB and Choudhary, K. 2003. ...
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