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The system was recognized by the FAO in 2002 as one of the first Globally Important Agricultural Heritage Systems. The benefits of rice-fish systems include increased rice yield, the production of an additional (fish) crop on the same land, diversification of farm production, increased food security, and reduced need for inputs of fertilizer ...
Rice polyculture is the cultivation of rice and another crop simultaneously on the same land. The practice exploits the mutual benefit between rice and organisms such as fish and ducks: the rice supports pests which serve as food for the fish and ducks, while the animals' excrement serves as fertilizer for the rice.
Rice-duck farming is the polycultural practice of raising ducks and rice on the same land. It has existed in different forms for centuries in Asian countries including China, Indonesia, and the Philippines, sometimes also involving fish .
[15] [16] Hundreds of kilos of fish and oysters cultured here were sold. Researchers also quantified the water quality parameters and nutrient budgets in (5 kg fish m −3) green water seabream ponds. [15] [17] The phytoplankton generally maintained reasonable water quality and converted on average over half the waste nitrogen into algal biomass.
iStockWhether it's salmon, cod, mackerel, or tuna, eating more fish has many health benefits. For example, a 2021 meta-review found that increased fish consumption is linked to improved ...
In this system, ducklings are introduced into rice paddies for the purpose of (1) providing natural fertilizer, (2) to strengthen the rice seedlings by oxygenating the water from the turbulence caused by the ducklings' swimming actions, as well as (3) to weed and eat insects. One season, disease destroyed Furuno's entire crop.
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