论文部分内容阅读
一根外追肥能使苹果增产吗?根外追肥在许多谷物和蔬菜上都已经起到显著增产作用,这是众所周知的。对葡萄的增产也有文件记载可供参考。只是在苹果树上施用是否也能起到增产作用,还没有见过系统的报告和肯定地回答这个问题。1955年1月14日笔者在北京碰到苏联专家瓦西列夫同志,曾向他请教过这个问题。他回答说:“苹果根外追肥
Is it possible for a top dressing to increase apples? It is well-known that top-dressing top-dressing has played a significant yield-increasing role in many cereals and vegetables. The increase of grapes are also documented for reference. Just in the apple tree can also be used to increase production, have not seen the system report and affirmative answer this question. January 14, 1955 The author met Comrade Vassiliev in Soviet Union in Beijing and asked him this question. He replied: ”Apple root top dressing