博白县凤山公社实行冬作小麦、苕子混种已经四年了,这一混种方法,不仅绿肥产量不低,而且还可促进小麦增产,并能提高后作早稻的产量。1963—1964年该公社混种小麦、苕子250亩,平均每亩收苕子鲜苗3,500斤,高的达6,000斤,低的亦不少于2,000斤;亩产小麦均在100斤以上,最高达161斤,比单作小 Bobai County Fengshan commune winter wheat, razor mixed has been four years, the hybrid method, not only green manure yield is not low, but also can promote wheat yield, and can increase later for early rice production. From 1963 to 1964, the commune mixed wheat and razor clams with a total area of ​​250 mu. The average acreage per acre was 3,500 kg per mu, about 6,000 kg high and not less than 2,000 kg low. Up to 161 pounds, smaller than a single