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Article

Productivity and Profitability of Kharif Rice Are Influenced by Crop Establishment Methods and Nitrogen Management in the Lateritic Belt of the Subtropical Region

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Department of Agronomy, Palli Siksha Bhavana, Visva-Bharati, Sriniketan 731204, India
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Department of Agronomy, Centurion University of Technology and Management, Odisha 761211, India
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Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
4
Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh
*
Authors to whom correspondence should be addressed.
Academic Editors: Umberto Anastasi and Aurelio Scavo
Agronomy 2021, 11(7), 1280; https://doi.org/10.3390/agronomy11071280
Received: 18 May 2021 / Revised: 19 June 2021 / Accepted: 21 June 2021 / Published: 24 June 2021
(This article belongs to the Special Issue Cropping Systems and Agronomic Management Practices of Field Crops)
Nitrogen management is vital for economic and environmental sustainability. Asynchrony of fertilizer application with crop demand along various nitrogen losses in Eastern India leads to low fertilizer efficiency in Kharif rice. At the same time, direct-sowing is gaining popularity due to water and labor scarcity. In an experiment between 2017–2018 in West Bengal, India, the main plots represented establishment methods: conventional transplanting, TPR; direct-seeded rice, DSR; and drum seeded rice, DRR; while subplots represented nitrogen management options: farmer’s practice (FP), the state-recommended (SR), nutrient expert-based (NE), Green seeker-based (GS) and LCC-based (LCC) in a split-plot design with three repetitions. Plant growth, productivity, and profitability were evaluated. All indicators of growth or production were affected by establishment methods and by N-management options. The yield enhancement of TPR and DSR over DRR was 21.1 and 16.8%, respectively, while it was enhanced by 19.21, 14.71, 6.49, and 2.52% by GS, NE, LCC, and SR, respectively, over FP. The highest net return and return per rupee invested were recorded with DSR, while both GS and NE had better economics. The results suggest that the combination of DSR establishment with GS or NE requires further studies to find climate-smart management techniques in Kharif rice. View Full-Text
Keywords: direct seeding; drum seeder; establishment method; green seeker; growth and yield of rice; Kharif rice; LCC; nitrogen supplementation; nutrient expert; production cost direct seeding; drum seeder; establishment method; green seeker; growth and yield of rice; Kharif rice; LCC; nitrogen supplementation; nutrient expert; production cost
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MDPI and ACS Style

Mohanta, S.; Banerjee, M.; Malik, G.C.; Shankar, T.; Maitra, S.; Ismail, I.A.; Dessoky, E.S.; Attia, A.O.; Hossain, A. Productivity and Profitability of Kharif Rice Are Influenced by Crop Establishment Methods and Nitrogen Management in the Lateritic Belt of the Subtropical Region. Agronomy 2021, 11, 1280. https://doi.org/10.3390/agronomy11071280

AMA Style

Mohanta S, Banerjee M, Malik GC, Shankar T, Maitra S, Ismail IA, Dessoky ES, Attia AO, Hossain A. Productivity and Profitability of Kharif Rice Are Influenced by Crop Establishment Methods and Nitrogen Management in the Lateritic Belt of the Subtropical Region. Agronomy. 2021; 11(7):1280. https://doi.org/10.3390/agronomy11071280

Chicago/Turabian Style

Mohanta, Samata, Mahua Banerjee, Ganesh C. Malik, Tanmoy Shankar, Sagar Maitra, Ismail A. Ismail, Eldessoky S. Dessoky, Attia O. Attia, and Akbar Hossain. 2021. "Productivity and Profitability of Kharif Rice Are Influenced by Crop Establishment Methods and Nitrogen Management in the Lateritic Belt of the Subtropical Region" Agronomy 11, no. 7: 1280. https://doi.org/10.3390/agronomy11071280

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