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A rice-fish system is a rice polyculture, a practice that integrates rice agriculture with aquaculture, most commonly with freshwater fish. It is based on a mutually beneficial relationship between rice and fish in the same agroecosystem .
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 .
In South-East Asia, rice-fish systems on rice paddies have raised freshwater fish as well as rice, producing an additional product and reducing eutrophication of neighboring rivers. [153] A variant in Indonesia combines rice, fish, ducks and water fern; the ducks eat the weeds that would otherwise limit rice growth, saving labour and herbicides ...
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 ...
Salmon. You've heard nutritionists raving about salmon for years, and there's good reason: Salmon is one of the most nutritious types of fish, offering amazing health benefits, from keeping your ...
By 1989, a semi-intensive (1 kg fish/m −3) seabream and grey mullet pond system by the Gulf of Aqaba on the Red Sea supported dense diatom populations, excellent for feeding oysters. [ 15 ] [ 16 ] Hundreds of kilos of fish and oysters cultured here were sold.
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