南方水稻田中,都有施用石灰的良好习惯。施用量通常亩施100—150斤,但也有高达300—400斤的,因此就有很多同志認为施用量太大了。的确,單就中和土壤酸度來說,是高了一些,而且也在个别地区因多年來大量施用石灰,产生了一些不良后果,使原来的酸 Southern paddy fields, there are good habits of lime. The amount of application is usually 100-150 kg mu, but there are also up to 300-400 kg, so there are many comrades think the amount is too large. Indeed, the acidity of the soil alone is much higher than that of the soil alone, and because of the large number of limes applied over many years in some areas, there are some unpleasant consequences that make the original acid