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放养“三水”(水葫芦、水花生、水浮莲)是文化大革命以来在我县茁壮成长的新生事物,近二年来发展特别迅速,1973年全县放养5万亩,1974年计划放养8万亩,占水稻田面积的10%,其中水葫芦5.5万亩。水葫芦具有显著的增产和改土作用。1973年全县后季稻上施用水葫芦面积达15万亩,占后季稻面积的25.8%。根据调查和试验材料平均每千斤水葫芦不但可增产稻谷15.4斤、稻草13斤左右。而且施用水葫芦后,土壤结构变松,杂草减少,保水保肥能力增强,有利于培养地力,建立高产稳产良田。东北塘公社尖岸大队,圩田面积约占60%,该队
Stocking “Sanshui” (water hyacinth, water peanut, water lettuce) is a new thing that has thrived in our county since the Cultural Revolution. In 1973, the whole county stocked 50,000 mu and planned to stock it in 1974 Mu, accounting for 10% of paddy area, of which 55,000 acres of water hyacinth. Water hyacinth has a significant yield and soil improvement effect. In 1973, the area after the whole county had applied water hyacinth to 15 million mu, accounting for 25.8% of the area of rice in later season. According to the survey and test materials, each kg of water hyacinth not only can increase 15.4 kg of rice, straw about 13 pounds. And after applying water hyacinth, soil structure becomes loose, weeds reduce, water and fertilizer to enhance capacity, is conducive to the cultivation of fertility, the establishment of high and stable yield farmland. Northeast Tong commune sharp shore brigade, polder area accounts for about 60% of the team