Papers by Sudhir Kumar Mishra
Journal of Plant Nutrition
Journal of Cleaner Production
Bhartiya Krishi Anusandhan Patrika, 2009
Keeping in view of the various uncertainties, long term climatic data of different stations of Gu... more Keeping in view of the various uncertainties, long term climatic data of different stations of Gujarat have been analysed to ascertain the cliinatic change/variability in the state, Gujarat state faced continuous drought/low rainfall for four years (1999, 2000, 2001 & 2002) followed by five years of heavy rainfall (2003, 2004, 2005, 2006 and 2007 durin recent past period. Kutch having less rainfall (350 mm) had highest annual rainfall variability (57%) while the Dangs having highest rainfall (1792 mm) had lowest rainfall variability (29%). Kutch district and parts of Banasjantha, Patna, Surendranagar, Rajkot and Jamnagar districts were found prone to moderate to severe roughts in more than 30% of the years. The analysis conducted at Anand showed that June and September have received higher rainfall than that of July and August. The rainfall intensity in terms of daily maximum rainfall also showed increasing trend at Anand. The maximum temperature at Anand was between 9.2 to 0.5°c pe...
Agricultural Research Journal, 2019
Data in Brief, 2019
A field experiment has been conducted in Cotton-Wheat cropping system for three cropping cycles, ... more A field experiment has been conducted in Cotton-Wheat cropping system for three cropping cycles, wherein we evaluated a total of five treatments (Control, Sub-soiling at 1.0 m, Sub-soiling at 1.5 m, Cross sub-soiling at 1.0 m and Cross sub-soiling at 1.5 m) in complete randomized block design to find out the effect of subsoiling on the physical properties of soil and root parameters of cotton in Indian Punjab, where heavy machinery usage in farm operations is causing soil compaction leading to ill effects. Data elucidated that any level of sub-soiling not only improved soil physical properties by reduction in bulk density but also enhanced steady state infiltration rate as compared to control. Data also revealed that root length, fresh root weight plant À1 and dry root weight plant À1 of cotton exhibited significant differences in subsoiled plots versus control for initial two years of experimentation but trivial differences existed thereafter. Consequently, both cotton and wheat crop resulted in higher yield owing to above mentioned reasons. The field data set is made publicly available to enable critical or extended analysis.
Soil and Tillage Research, 2019
Soil compaction in Indian Punjab is an emerging problem affecting crop productivity. Heavy machin... more Soil compaction in Indian Punjab is an emerging problem affecting crop productivity. Heavy machinery operations or repetitive tillage in fields are main reasons behind this problem. To investigate the direct and residual effect of sub-soiling on soil physical properties and productivity of cotton-wheat cropping system, we conducted a field experiment for three cropping cycles (2014-2017) at two different sites and evaluated a total of five treatments (Control, Sub-soiling at 1.0 m, Sub-soiling at 1.5 m, Cross Sub-soiling at 1.0 m and Cross Sub-soiling at 1.5 m) in complete randomized block design. Results elucidated that any level of sub-soiling if applied once, improved the infiltration rate besides reduction in the bulk density for two years. Consequently, higher root length and increased root mass of cotton under sub-soiled treatments revealed advantages by improvement in yield attributes and seed cotton. Cotton sown after sub-soiling recorded significantly higher seed cotton yield while control exhibited statistically least for two years. Sub-soiling applied prior to cotton sowing in initial year also had beneficial residual effect on succeeding wheat for subsequent two crop cycles. However, during third year, at par yield levels among studied treatments for both the crops indicated that residual effect of sub-soiling persisted no longer beyond two years. Better economic returns and consequently improved benefit: cost ratio clearly revealed that sub-soiling has economic benefits. Our studies concluded that sub-soiling exerted beneficial effect on soil physical properties by reduction in bulk density and improved infiltration rate and any sub-soiling either at 1.0 or 1.5 m once in three years has potential for improving productivity of cotton-wheat cropping system occupying 1.2 million ha in NorthWestern India.
Sugar Tech, 2019
Under wheat-and sugarcane-based cropping system in North India, wheat is taken either as intercro... more Under wheat-and sugarcane-based cropping system in North India, wheat is taken either as intercrop in autumn sugarcane or as a sole crop followed by sugarcane planting in summer months (April-May). The shading of wheat plants as intercrop adversely affects the emerging shoots of autumn sugarcane in March-April. Moreover, wheat yield is also less as an intercrop than its sole crop as only two rows of wheat are there in 90 cm spaced autumn sugarcane. When sugarcane is planted after wheat harvesting, sugar and sugarcane yield is low due to less time available to late-planted cane. So, there is a need to develop production technologies for getting better cane and wheat yield under sugarcane-wheat cropping system. Furrow irrigated raised bed (FIRB) system may be a better option for higher productivity and net returns, as both the crops can be sown timely and gave better yields. To evaluate FIRB system, field experiments were conducted at
Communications in Soil Science and Plant Analysis, 2020
Delayed sowing and imprecise application of irrigation water to cotton has been the major hurdle ... more Delayed sowing and imprecise application of irrigation water to cotton has been the major hurdle in sustaining cotton yield in northwestern India. Therefore, studies were initiated to ascertain the impact of heavy or normal level of presowing irrigation (PSI), scheduling time of first postsowing irrigation (POSI) under two sowing dates (SDs) on cotton arranged in a split block design replicated thrice. PSI h (100 mm) recorded 23.2% higher seed cotton yield over PSI n (70 mm) owing to better yield attributes and higher stand. First POSI at 4 weeks after sowing (WAS) resulted the highest yield (3072 kg ha −1), while one at 6 WAS (POSI 6) recorded least due to poor population and reduced yield attributes. Water productivity under POSI 6 was lesser by 29.1%, 25.2%, and 16.2% as compared to POSI 3 , POSI 4 , and POSI 5 , respectively. April sown crop out yielded the May sown cotton crop by 939 kg ha −1 due to better yield attributes. Nitrogen factor productivity (NFP) among SD remained higher by 23.3% for April as compared to May sowing. PSI h exhibited better NFP over PSI n. POSI 6 recorded least NFP by 24.4%, 28.5%, and 16.3% as compared to POSI 3 , POSI 4 , and POSI 5 , respectively and was indicative of relatively poor utilization of N under delayed schedules. Therefore, planting in April after heavy PSI and scheduling first POSI at 4 WAS is best strategy for sustaining cotton yield and maximizing farmer profitability.
Journal of agrometeorology
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Papers by Sudhir Kumar Mishra