前言张保同志为黑龙江省知名的农民嫁接育种专家,他继承了我国祖先超越科属间的嫁接先进方法,以求育出新的优良品种。他经过数年创造性的试验,已使多种植物和大豆嫁接成功,并培育出数种新大豆品种,其中已有推广的品种。蓖麻和大豆嫁接是张保同志最先试验成功,并已收到优质高产的效果。现正在黑龙江省各地扩大种植。1961年夏季我们参加省农业厅组织的总结张保同志嫁接大豆推广品种鉴定工作,主要鉴定此品 Introduction Comrade Zhang Bao grafted breeding experts to well-known peasants in Heilongjiang Province. He inherited the advanced methods of grafting between families in our ancestors in order to breed new fine varieties. After years of creative experimentation, he has succeeded in grafting many plants and soya beans and has cultivated several new varieties of soybeans, among which there are already well-established varieties. Castor and soybean grafting is the first successful trial by Comrade Zhang Bao, and has received the effect of high quality and high yield. Now in Heilongjiang Province to expand planting. In the summer of 1961, we participated in the organization of the Provincial Department of Agriculture concluded that Zhang Baoguang identification grafted soybean varieties, the main identification of this product