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猪屎豆亦称“猪屎青”、“三圆叶猪屎豆”。豆科。多年生直立或呈灌木状草本豆科植物。猪屎豆原产热带地区,分布到美洲、非洲、亚洲热带、亚热带地区。产于福建、台湾、广东、广西、四川、云南、山东、浙江、湖南。生于海拔100~1 000m的荒山草地及沙质土壤。主要用作绿肥。喜温暖湿润气候,耐酸性较强,也较耐旱耐瘠,不耐盐,不耐渍,在排水良好的新垦红壤坡地上可以良好生长。可作茶园、桑园和果园间作绿肥。现多用于高速公路护坡灌木。
Pig jelly beans also known as “pig feces green ”, “three round leaves piglet beans ”. Legumes. Perennial upright or shrub herb legumes. Crotalaria native to the tropics, distributed to the Americas, Africa, Asia, tropical and subtropical regions. Produced in Fujian, Taiwan, Guangdong, Guangxi, Sichuan, Yunnan, Shandong, Zhejiang, Hunan. Born in elevation of 100 ~ 1 000 m of barren hills and sandy soil. Mainly used as green manure. Hi warm and humid climate, acid-resistant, but also more drought-resistant barren, salt-tolerant, not resistant to stains, well-drained red land slopes can grow well. For tea plantations, mulberry and orchards as green manure. Now used for highway slope protection shrubs.