Influence of 11 years of crop residue management on rice productivity under varied nitrogen levels in the rice-wheat cropping system

Rajeev Kumar Gupta, Paramjit Kaur Sraw, Jasjeet Singh Kang, Jagroop Kaur, Anu Kalia, Vivek Sharma, Surjeet Singh Manhas, Nadhir Al-Ansari, Abed Alataway, Ahmed Z. Dewidar and Mohamed A. Mattar
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Rajeev Kumar Gupta: Department of Soil Science, Punjab Agricultural University, Ludhiana, India
Paramjit Kaur Sraw: Department of Agronomy, Punjab Agricultural University, Ludhiana, India
Jasjeet Singh Kang: Department of Agronomy, Punjab Agricultural University, Ludhiana, India
Jagroop Kaur: Department of Agronomy, Punjab Agricultural University, Ludhiana, India
Anu Kalia: Department of Soil Science, Punjab Agricultural University, Ludhiana, India
Vivek Sharma: Department of Agronomy, Punjab Agricultural University, Ludhiana, India
Surjeet Singh Manhas: Department of Agronomy, Punjab Agricultural University, Ludhiana, India
Nadhir Al-Ansari: Department of Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, Lulea, Sweden
Abed Alataway: Prince Sultan Bin Abdulaziz International Prize for Water Chair, Prince Sultan Institute for Environmental, Water and Desert Research, King Saud University, Riyadh, Saudi Arabia
Ahmed Z. Dewidar: Department of Agricultural Engineering, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
Mohamed A. Mattar: Department of Agricultural Engineering, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia

Plant, Soil and Environment, 2023, vol. 69, issue 7, 333-343

Abstract: The present study compares the six crop residue management techniques in main plots (since 2008) and three split nitrogen (N) levels, i.e., 75, 100 and 125 kg N/ha in subplots for rice crops for two years, i.e., 2019 and 2020, in sandy loam soil under field conditions. This experiment evaluated the long-term effect on rice productivity, soil organic carbon content and nutrient requirement in rice-wheat cropping system. The results revealed that different crop residue management practices and N levels significantly influenced rice growth, yield and yield attributes and improved nutrient uptake by grain and straw. Maximum grain yields of 20.8% and 17.8% higher over the conventional (no straw) treatment during 2019 and 2020, respectively, were recorded where the rice and wheat residue was retained or incorporated. The rice grain yield without residue responded significantly up to 125 kg N/ha. Whereas, with rice and wheat residue, rice grain yield did not respond to the application of N beyond 75 kg N/ha during both years.

Keywords: environmental pollution; nitrogen uptake; climate change; Oryza sativa L.; paddy straw (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:69:y:2023:i:7:id:68-2023-pse

DOI: 10.17221/68/2023-PSE

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