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为了了解过磷酸钙在我县不同土质的增产效果,县农业局于1963年秋种时,在辛集、张家啃、蒲汪、孟良崮、马牧池、双后、界湖等11个公社进行了小麦施用过磷酸钙对比试验。试验结果证明:小麦以过磷酸钙作基肥,在火成岩丘岭区增产效果显著而稳定,一般每斤过磷酸钙增产小麦0.75-2.188斤;在石灰岩丘岭区增产效果不夠稳定,一般每斤过磷酸钙增产小麦0.2-1.5斤(见表1);而在黄壤土和河淤土地上,增产效果更差。如界湖公社中町大队,亩施过磷酸钙30斤的亩产367.2斤,比不施的增产5.9斤,比亩施过磷酸钙10斤的增产5.3斤。
In order to understand the effect of SSP production in different counties in our county, the county Bureau of Agriculture conducted the wheat application in 11 communes in Xinji, Zhangjiawan, Puwang, Menglianggu, Mamuchi, Shuanghou, Jiehu in autumn of 1963 Superphosphate comparison test. Test results show that: wheat superphosphate as a basal fertilizer, in igneous hillside yield significantly and steadily, generally yielding 0.75-2.188 kg of wheat per kilogram of superphosphate; in limestone mound area yield is not stable enough, usually over catty Calcium phosphate increased wheat yield of 0.2-1.5 kg (Table 1); while in yellow loam soil and river silt land, the yield is worse. For example, the commune-cho brigade of the commune in the commune commune, 367.2 kilograms per mu of 30 kilograms of calcium phosphate per acre, an increase of 5.9 kilograms more than the non-exertion, and 5.3 kilograms more than the 10 kilograms of calcium phosphate per acre.