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Rice ecosystem

Rice ecosystem

Rice ecosystem

Rice Ecosystems

Rice Ecosystems

Rice farming is practiced in several agro ecological zones in India. No other country in the world has such diversity in rice ecosystems than India. Because cultivation is so widespread, development of four distinct types of ecosystems has occurred in India, such as:

Deep water ecosystem

Deep water ecosystem

Irrigated ecosystem

Irrigated ecosystems

Zones needing supplementary irrigation

Tidal wetland ecosystem

Tidal  wetland ecosystem

Rainfed lowland ecosystem

 

Rainfed upland ecosystem

 

Deep water ecosystem

Tidal wetland ecosystem

Irrigated ecosystem

 

Irrigated rice ecosystems are those areas that have assured irrigation for one or more crops per year. About 57% of world area under rice (about 43 million ha) area under irrigation. Yield levels achieved are 4-7 t ha-1 crop-1. There are three rice environments in this ecosystem, namely, irrigated with favorable temperature, irrigated with unfavorable temperature-tropical zone and irrigated with unfavorable temperature-temperate zone.

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