Land · 2022
Tillage in Combination with Rice Straw Retention in a Rice–Wheat System Improves the Productivity and Quality of Wheat Grain through Improving the Soil Physio-Chemical Properties
Gupta, R. K., Kaur, J., Kang, J. S., Singh, H., Kaur, S., Sayed, S., Gaber, A., Hossain, A.
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Tillage in Combination with Rice Straw Retention in a Rice–W…
Abstract
In order to study the contribution of long-term tillage and rice straw management practices on wheat yield and soil properties in a rice–wheat system, a field study was conducted with seven main plot treatments as straw management practices, i.e., puddled transplanted rice + zero till drill sown wheat without paddy and wheat straw (R1), puddled transplanted rice + conventional tillage sown wheat without paddy and wheat straw (R2), puddled transplanted paddy without wheat straw + zero till wheat sown with Happy Seeder with paddy straw as mulch (R3), puddled transplanted rice without wheat straw+ conventional tillage sown wheat after paddy straw incorporation with disc harrow (R4), puddled transplanted rice without wheat straw + zero till sown wheat after paddy straw incorporation with rotavator (R5), puddled transplanted rice with wheat straw + zero till sown wheat with Happy Seeder with paddy straw as mulch (R6), puddled transplanted rice + zero till drill sown wheat after partial burning of wheat and paddy straw (R7) and three subplot treatments, i.e., nitrogen (N) levels (100, 125 and 150 kg ha−1), in a rice–wheat system-cropping system during 2017–2018 and 2018–2019 in a split plot experiment. Among different treatments, the straw management practices significantly influenced yield and yield attributes as well as the nutrient availability in soil. The application of 100 kg N ha−1 resulted in a significantly higher partial factor productivity (PFPN) of N over other levels of N application. The reduction in wheat yields obtained with conventional sowing of wheat without straw/straw burning/removal cannot be compensated even with an additional 50 kg N ha−1 to that obtained with straw retention or incorporation. In addition to saving N, crop residue recycling also helped to improve soil properties, grain quality, profitability, and air quality considerably.
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In order to study the contribution of long-term tillage and rice straw management practices on wheat yield and soil properties in a rice–wheat system, a field study was conducted with seven main plot treatments as straw management practices, i.e., puddled transplanted rice + zero till drill sown wheat without paddy and wheat straw (R1), puddled transplanted rice + conventional tillage sown wheat without paddy and wheat straw (R2), puddled transplanted paddy without wheat straw + zero till wheat sown with Happy Seeder with paddy straw as mulch (R3), puddled transplanted rice without wheat straw+ conventional tillage sown wheat after paddy straw incorporation with disc harrow (R4), puddled transplanted rice without wheat straw + zero till sown wheat after paddy straw incorporation with rotavator (R5), puddled transplanted rice with wheat straw + zero till sown wheat with Happy Seeder with paddy straw as mulch (R6), puddled transplanted rice + zero till drill sown wheat after partial burning of wheat and paddy straw (R7) and three subplot treatments, i.e., nitrogen (N) levels (100, 125 and 150 kg ha−1), in a rice–wheat system-cropping system during 2017–2018 and 2018–2019 in a split plot experiment. Among different treatments, the straw management practices significantly influenced yield and yield attributes as well as the nutrient availability in soil. The application of 100 kg N ha−1 resulted in a significantly higher partial factor productivity (PFPN) of N over other levels of N application. The reduction in wheat yields obtained with conventional sowing of wheat without straw/straw burning/removal cannot be compensated even with an additional 50 kg N ha−1 to that obtained with straw retention or incorporation. In addition to saving N, crop residue recycling also helped to improve soil properties, grain quality, profitability, and air quality considerably.
In order to study the contribution of long-term tillage and rice straw management practices on wheat yield and soil properties in a rice–wheat system, a field study was conducted with seven main plot treatments as straw management practices, i.e., puddled transplanted rice + zero till drill sown wheat without paddy and wheat straw (R1), puddled transplanted rice + conventional tillage sown wheat without paddy and wheat straw (R2), puddled transplanted paddy without wheat straw + zero till wheat sown with Happy Seeder with paddy straw as mulch (R3), puddled transplanted rice without wheat straw+ conventional tillage sown wheat after paddy straw incorporation with disc harrow (R4), puddled transplanted rice without wheat straw + zero till sown wheat after paddy straw incorporation with rotavator (R5), puddled transplanted rice with wheat straw + zero till sown wheat with Happy Seeder with paddy straw as mulch (R6), puddled transplanted rice + zero till drill sown wheat after partial burning of wheat and paddy straw (R7) and three subplot treatments, i.e., nitrogen (N) levels (100, 125 and 150 kg ha−1), in a rice–wheat system-cropping system during 2017–2018 and 2018–2019 in a split plot experiment. Among different treatments, the straw management practices significantly influenced yield and yield attributes as well as the nutrient availability in soil. The application of 100 kg N ha−1 resulted in a significantly higher partial factor productivity (PFPN) of N over other levels of N application. The reduction in wheat yields obtained with conventional sowing of wheat without straw/straw burning/removal cannot be compensated even with an additional 50 kg N ha−1 to that obtained with straw retention or incorporation. In addition to saving N, crop residue recycling also helped to improve soil properties, grain quality, profitability, and air quality considerably.
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