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当我看到贵刊1959年第3期“各种农作物需要氮磷钾的数量”表的时候,使我想起了与此有关的一些往事。去年农业生产大跃进中,我曾看到某些刊物上刊载过有关农作物需肥量的材料,也曾看到有些人因为搞试验田经验不足,机械地搬用这些材料计算施肥量,结果有很多试验田就是因此遭到严重减产(主要是因氮肥过多)。各种农作物每收100斤究竟需要多少氮、磷、钾?我没有做过这样的实验,但从去年很多丰产田施肥水平看来,觉得以往所订农作物需肥标准有一些问题。去年安徽南
When I look at your table in No. 3, 1959, “The Need for Various Crops to Need a Number of N, P, and K”, reminds me of some of the events related to this. During the great leap forward in agricultural production last year, I had seen some publications on materials requiring fertilizer for crops. Some people also saw that some people experimented with the lack of experience in mechanically applying these materials to calculate the amount of fertilizer applied. As a result, many experimental fields As a result, serious cuts were caused (mainly due to excess nitrogen fertilizer). How much nitrogen, phosphorus, and potassium do I receive per kilogram of crops? I have not done such an experiment. However, according to the fertilization levels of many high-yield fields last year, there were some problems with the standards of fertilizers required in the past. Last year, Anhui South