Long‐term effects of organic inputs on yield and soil fertility in the rice–wheat rotation JK Ladha, CS Khind, RK Gupta, OP Meelu, E Pasuquin Soil Science Society of America Journal 68 (3), 845-853, 2004 | 403 | 2004 |
Need based nitrogen management using the chlorophyll meter and leaf colour chart in rice and wheat in South Asia: a review HS Thind, RK Gupta Nutrient Cycling in Agroecosystems 88, 361-380, 2010 | 197 | 2010 |
Soil fertility changes after long-term application of organic manures and crop residues under rice-wheat system B Kumar, RK Gupta, AL Bhandari Journal of the Indian Society of Soil Science 56 (1), 80-85, 2008 | 152 | 2008 |
Assessment of the nitrogen management strategy using an optical sensor for irrigated wheat RK Sharma, ML Jat, KL Martin, P Chandna, OP Choudhary, RK Gupta, ... Agronomy for Sustainable Development 31, 589-603, 2011 | 145 | 2011 |
Yield and phosphorus transformations in a rice–wheat system with crop residue and phosphorus management RK Gupta, JK Ladha, J Singh, G Singh, H Pathak Soil Science Society of America Journal 71 (5), 1500-1507, 2007 | 137 | 2007 |
Placement effects on rice residue decomposition and nutrient dynamics on two soil types during wheat cropping in rice–wheat system in northwestern India RK Gupta, JK Ladha Nutrient Cycling in Agroecosystems 88, 471-480, 2010 | 131 | 2010 |
Drip irrigation and nitrogen management for improving crop yields, nitrogen use efficiency and water productivity of maize-wheat system on permanent beds in north-west India. R.K. Gupta, O.S. Sandhu, H.S. Thind, M.L. Jat, H.S. Sidhu, Yadvinder-Singh Agricultural Water Management 219, 19-26, 2019 | 120 | 2019 |
Nitrogen and residue management effects on agronomic productivity and nitrogen use efficiency in rice–wheat system in Indian Punjab RK Gupta, HS Sidhu Nutrient Cycling in Agroecosystems 84, 141-154, 2009 | 117 | 2009 |
Fixed-time adjustable dose site-specific fertilizer nitrogen management in transplanted irrigated rice (Oryza sativa L.) in South Asia HS Thind, A Kumar, RK Gupta, A Kaul, M Vashistha Field Crops Research 126, 63-69, 2012 | 101 | 2012 |
On-farm evaluation of leaf color chart for need-based nitrogen management in irrigated transplanted rice in northwestern India Yadvinder-Singh, Bijay-Singh, Jagdish K. Ladha, Jaswinder S. Bains, Rajeev K ... Nutrient Cycling in Agroecosystems 78 (2), 167-176, 2007 | 94 | 2007 |
Integrated effect of transplanting date, cultivar and irrigation on yield, water saving and water productivity of rice (Oryza sativa L.) in Indian Punjab: field and simulation … SK Jalota, KB Singh, GBS Chahal, RK Gupta, S Chakraborty, A Sood, ... Agricultural Water Management 96 (7), 1096-1104, 2009 | 93 | 2009 |
Site-specific fertilizer nitrogen management in irrigated transplanted rice (Oryza sativa) using an optical sensor J Purba, RK Sharma, ML Jat, HS Thind, RK Gupta, OP Chaudhary, ... Precision Agriculture 16, 455-475, 2015 | 90 | 2015 |
Performance of site-specific nitrogen management for irrigated transplanted rice in northwestern India YS Varinderpal-Singh, Bijay-Singh, Baldev-Singh, RK Gupta, ... Archives of Agronomy and Soil Science 53 (5), 567-579, 2007 | 68 | 2007 |
Relative performance of neem (Azadirachta indica) coated urea vis-a-vis ordinary urea applied to rice on the basis of soil test or following need based nitrogen management … HS Thind, RPS Pannu, RK Gupta, M Vashistha, J Singh, A Kumar Nutrient cycling in agroecosystems 87 (1), 1-8, 2010 | 61 | 2010 |
Dual microbial inoculation, a game changer?–bacterial biostimulants with multifunctional growth promoting traits to mitigate salinity stress in spring mungbean KC Kumawat, P Sharma, S Nagpal, RK Gupta, A Sirari, RM Nair, ... Frontiers in microbiology 11, 600576, 2021 | 55 | 2021 |
Poultry litter as a nitrogen and phosphorous source for the rice–wheat cropping system RK Gupta, HS Thind, JK Ladha Biology and Fertility of Soils 45, 701-710, 2009 | 55 | 2009 |
Need-based nitrogen management using leaf color chart in wet direct-seeded rice in northwestern India B Singh, RK Gupta, Y Singh, SK Gupta, J Singh, JS Bains, M Vashishta Journal of New Seeds 8 (1), 35-47, 2006 | 50 | 2006 |
Influence of biogas slurry and farmyard manure application on the changes in soil fertility under rice-wheat sequence RK Gupta, BR Arora, KN Sharma, SK Ahluwalia Journal of the Indian society of soil Science 48 (3), 500-505, 2000 | 49 | 2000 |
Need-based fertilizer nitrogen management using leaf colour chart in hybrid rice (Oryza sativa) RK Gupta, V Singh, Y Singh, B Singh, HS Thind, A Kumar, M Vashistha Indian Journal of Agricultural Sciences 81 (12), 1153, 2011 | 41 | 2011 |
Co-inoculation of indigenous Pseudomonas oryzihabitans and Bradyrhizobium sp. modulates the growth, symbiotic efficacy, nutrient acquisition, and grain yield of soybean KC Kumawat, I Singh, S Nagpal, P Sharma, RK Gupta, A Sirari Pedosphere 32 (3), 438-451, 2022 | 40 | 2022 |