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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. [45]
While rice is growing: Ducks eat pests (e.g. brown planthoppers) in the crop; they stir water, limiting weeds, and manure the rice. Surface must be even; water depth must suit ducks; young ducks best as they don't nibble rice leaf tips. [5] Rice-fish-duck: China: Fishes bred on rice terraces: Fattens ducks and fish, controls pests, manures the ...
Scarecrows are variations of Ta-no-Kami, since they are expected to prevent bad spirits of animals and birds. Niinamesai is one of the festivals of the Japanese Imperial family, the eating of freshly harvested rice with kami, a variation of the festivals of Ta-no-Kami. Previously it had been a national holiday. Scarecrows in a rice paddy
Carabaos are mainly used as draft animals for paddy field rice cultivation. In 2023, the vast majority of Philippine carabaos (99.3%) are raised for this purpose by smallholder farmers. [3] [18] Carabaos raised as draft animals are typically docile and can be trained with simple commands. They are treated as a family pet and are regularly taken ...
The rice provides the fish with shelter and shade and a reduced water temperature, along with herbivorous insects and other small animals that feed on the rice. [7] Rice benefits from nitrogenous waste from the fish, while the fish reduce insect pests such as brown planthoppers, diseases such as sheath blight of rice, and weeds. [7]
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.
Paddy field in south-western in Yunnan. China is among the bulk of significant domestication centres and originating rice regions worldwide. The surrounding regions of the Yangtze River and the Yunnan-Guizhou highland of Southern China are the domestication centres with varying evidence derived from the belief that wild rice is primarily found in Southern China, where the Yangtze River is ...
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.