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中国在解放后,着手推行农业现代化计划,人们很正确地把氮看作一种增加产量的重要养分。因此氮肥生产和使用急剧增加。据统计,中国使用氮肥的数量,占全亚洲用量的50％,约为全世界氮肥用量的20％。 相反,钾肥的生产和使用,却远远落后于其他国家,1982年仅占亚洲总用量的15％。为全世界钾肥使用量的1.6％。日本农民在使用肥料方面,积累了丰富的经验,1982年,
After the liberation of China, China embarked on the plan of agricultural modernization, and people quite correctly regard nitrogen as an important nutrient for increasing output. Therefore, the production and use of nitrogen fertilizer increased sharply. According to statistics, the amount of nitrogen fertilizer used in China accounts for 50% of the total amount in Asia and is about 20% of the amount of nitrogen fertilizer in the world. On the contrary, the production and use of potash lagged far behind that of other countries, accounting for only 15% of the total amount in Asia in 1982. 1.6% of potash usage worldwide. Japanese farmers in the use of fertilizer, has accumulated rich experience in 1982,