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紅萍是大有推广价值的水生綠肥,它具有繁殖快、肥效高、成本低等特点。本所1965年稻田养萍一百七十六点八亩,占稻田面积35%,并在蕪湖县保丰公社样板田内放萍三点一二亩,均普遍获得增产。稻田养萍以后,一般每亩可增产稻谷二十八点三六至一百二十八点三五斤,增产幅度为8.0—18.06%。实践証明,稻田养萍确实是多快好省地解决肥料問題和提高水稻产量的一条新途径。为了肯定稻田养萍的增产效果,1965年我們在所内外进行了有关的肥效对比試驗。現将試驗結果初步加以归納,供有关方面参考。
Hongping is a great promotional value of aquatic green manure, which has the characteristics of rapid propagation, high efficiency, low cost. The 1965 paddy field raised 177.7 acres of paddy, accounting for 35% of the paddy field, and Wuhu County, Feng Shui commune sample flat 3.3 acres, were generally increased production. After paddy cultivation, the average yield of paddy per acre can be increased from 28.36 to 128.35 kg, with an increase of 8.0-18.06%. Practice has proved that rice paddies are indeed more efficient and economical way to solve the problem of fertilizer and improve rice production, a new way. In order to confirm the yield-increasing effect of rice paddy cultivation, in 1965 we carried out the related fertilizer efficiency comparison experiment. Now the preliminary test results to be summarized for reference for the parties concerned.