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Both upcountry and low country wetlands use paddy cultivation. The majority of paddy land is in the dry zone, and it uses special irrigation systems for cultivation. The water storing tank called "Wewa" facilitates a supply of water to paddy lands in the cultivation period. Agriculture in Sri Lanka mainly depends on rice production. [44]
To start with the production process, paddy is cleaned by a paddy pre-cleaning machine and the cleaned paddy is stored in raw paddy storage bins. The stored paddy is moved to food-grade stainless steel soaking tanks. Water is drained from the tank and the wet paddy is ready for boiling. Boiling is done by a steam boiler.
The term “upland rice” refers to rice cultivated in non-flooded conditions, and it can encompass various specific definitions. While most of the world's rice is grown in paddy fields or wet environments that require significant amount of water, rice itself does not inherently need flooding to thrive.
One of the earliest known examples of companion planting is the growing of rice with Azolla, the mosquito fern, which covers the top of a fresh rice paddy's water, blocking out any competing plants, as well as fixing nitrogen from the atmosphere for the rice to use. The rice is planted when it is tall enough to poke out above the azolla.
Puddling is the tillage of rice paddies while flooded, an ancient practice that is used to prepare for rice cultivation. Historically, this has been accomplished by dragging a weighted harrow across a flooded paddy field behind a buffalo or ox, and is now accomplished using mechanized approaches, often using a two-wheel tractor.
Rice is called ‘white gold’ in Vietnam and has a link to the Sanskrit name ‘Dhanya’ (meaning: "the sustainer of the human race"), the name given to Rice in India. In Vietnam, there is a folklore that is narrated on rice. According to the folk legend, in ancient times, rice was not produced but was summoned by fervent prayers by people.
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It is the dominant crop of the country. India is one of the leading producers of this crop. Rice is the basic food crop and being a tropical plant, it flourishes comfortably in a hot and humid climate. Rice is mainly grown in rain-fed areas that receive heavy annual rainfall. That is why it is fundamentally a kharif crop in India. It demands a ...