Rice based cropping systems for enhancing productivity of food grains in India
2019
Tuti, Mangal Deep | Kumar, R Mahender | Sreedevi, B | Saha, Soumya | Singh, Aarti
Rice is a dominant crop, about 20% of global total human food calories are supplied by rice. More than 150 million ha were sown with rice in 2002, 90% of that in Asia. Demand for rice in Asia is projected to increase by 70% over the next 30 years. At ~45 million ha, India has the largest national area of rice cropping. Much of this rice area is multi-cropped, and cropping patterns are very diverse. These varied cropping systems occur across a varied environment (e.g. weather, soils, topography), so quantitative assessment of a number of the outputs of agriculture (e.g., crop yield, water use, soil erosion, nutrient leaching, greenhouse gas emissions) will benefit from detailed study of cropping systems and environmental variables.
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