【摘要】 1987—1990年的研究表明,红薯与绿豆间作只要方法得当,可实现红薯基本不减产,且每亩能多收40～50公斤绿豆,亩产值能增加60～70元。更多还原

【Abstract】 Studies from 1987 to 1990 indicates that when the sweet potato and mung bean intercooping method applies correctly, the sweet potato yield basically is not reduced and the mung bean yield and the output value can seperately be increased 40-50kg and 60-70 yuan per mu.更多还原