花生是我省重要的油料作物,每年种植面积100万亩左右,主要分布在徐州、淮阴、盐城、扬州四个地区.为了提高花生单位面积产量,1973—1974年在上述重点产区进行了花生施用石膏的多点试验.根据两年的试验结果,在一般情况下,花生施用石膏多有不同程度的增产效果(见表),每亩用量30—50 Peanut is an important oilseed crop in our province, with an annual acreage of about 1000000 acres, mainly distributed in Xuzhou, Huaiyin, Yancheng, Yangzhou four areas.In order to improve peanut yield per unit area, 1973-1974 in the key producing areas were peanuts Application of gypsum multi-point test.According to two years of test results, in general, the application of gypsum peanut more than have different levels of yield (see table), the amount of 30-50 acres per acre