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紫穗槐是一种生长快,收益早,经济价值高,容易繁殖的多年生豆科灌木,是改良土壤的好树种。紫穗槐是一种含肥量很高的绿肥,据分析每600斤紫穗槐绿叶相当于100斤豆饼的肥效。紫紫槐绿叶中含氮的成分1.3％含磷约为0.3％,含钾约为0.79％,在同一地块,施紫德槐绿肥要比施人粪尿肥效高。紫穗槐是改良土壤的好树种。它的枝叶有机质量高,落叶易于腐烂,在砂土地上栽培紫穗槐可增加保水保肥的能力,在粘土地栽植紫穗槐可改良土壤结构。同时因紫穗槐根部有根
Amorpha fruticosa is a perennial mesquite shrub that grows fast, gains early, has high economic value and is easy to breed. It is a good species for soil improvement. Amorpha fruticosa is a green manure with a high amount of fertilizer, according to the analysis of every 600 pounds of Amorpha frittivo is equivalent to 100 pounds of bean cake fertilizer. Purple purple green leaf nitrogen content of 1.3% of phosphorus is about 0.3%, potassium is about 0.79%, in the same land, Shi Zidehuai green manure than the manure fertilizer efficiency. Amorpha fruticosa is a good species for soil improvement. Its branches and leaves are of high organic quality and deciduous leaves are easily decayed. Cultivating Amorpha fruticosa in sand and soil can increase the ability to retain water and fertilizer, and cultivating Amorpha fruticosa in clay can improve the soil structure. At the same time due to roots of Amorpha root