Abstract
Study the Irrigation Scheduling and Intercrop Practices on Yield Attributes, Yield, Water Use Efficiency and Economics of Aerobic Rice
Highlights
Rice is the most extensively growing cereal crop on earth and is the essential food for over half of its population
Data pertaining to the number of panicles hill-1 of rice is presented in table 1
Higher number of panicles (12.3) was observed with IW/CPE ratio 0.8 upto Panicle initiation (PI) thereafter IW/CPE ratio 1.2 (M3) which was significantly higher than the irrigation scheduled at IW/CPE ratio 1.0 upto maturity (M1)
Summary
Rice is the most extensively growing cereal crop on earth and is the essential food for over half of its population. In India, rice is cultivated in areas of 43.1 million ha with a total production of 112.9 million tons and its average productivity is 2.6 tons ha-1. In Tamil Nadu, rice is cultivated in an area of 1.82 million ha with a production of 8.0 million tons and productivity of 3.5 tons ha-1 (India stat, 2017 - 2018). Asia’s food security mostly depends on irrigated low land rice fields. Rice consumes about 90% of the fresh water resources in Asia used for Agriculture. About 80% of the world’s rice grown under irrigated (55%) and rainfed lowland (25%) ecosystems, both of which depend on fresh-water resources. Irrigated lowland consuming an additional amount of water for the practices of raising nursery, puddling and transplanting. Transplanting is the traditional rice cultivation system in this region, in
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