紫穗槐,又名棉槐,是一种多年生豆科落叶灌木。叶子像槐树,花紫色,许多小花聚成穗状,所以叫它紫穗槐。紫穗槐嫩枝叶可作绿肥。据化学分析测定,紫穗槐的干茎叶含氮量3.02%,磷0.68%,钾1.81%;鲜枝叶含氮量1.32%,磷0。30%,钾0.79%。1000斤紫穗槐枝叶约等于60多斤硫酸铵或200斤豆饼。据山东省莒南县板泉区关坊街大队进行紫穗槐、豆饼、化肥对水稻的肥效 Amorpha fruticosa, also known as cotton acacia, is a perennial leguminous deciduous shrub. Ash leaves like flowers, purple flowers, many small flowers poly into spikes, so call it Amorpha fruticosa. Amorpha fruticosa leaves can be used as green manure. According to chemical analysis, Amorpha fruticosa stems and leaves the nitrogen content of 3.02%, 0.68% of phosphorus, potassium 1.81%; fresh leaves of nitrogen content 1.32%, phosphorus 0.30%, potassium 0.79%. 1000 kg Amorpha fruticosa leaves equal to about 60 kg of ammonium sulfate or 200 pounds of soybean cake. According to Panjin District, Taonan City, Shandong Province Guanfang Street Brigade Amorpha fruticosa, soybean cake, fertilizer on rice efficiency