有人说:“水稻,水稻,用水养稻,不怕水多,只怕水少”,这种说法对不对呢?不对。水稻土中水和气是一对矛盾,在一定空间内,水分过多,空气就会不足。而要使土壤中的养分不断供给作物需要,使土壤形成和保持良好的结构,通气良好和一定量的水分都是不可少的条件。因此,水分要适当,水气要协调,如果水田排水不畅,土壤中含水过多,就会影 Some people say: “Rice, rice, water-raising rice, not afraid of water, I am afraid less water,” this statement is wrong? Paddy soil water and gas is a contradiction, in a certain space, the water is too much, the air will be insufficient. And to make the soil nutrients continue to supply crop needs, so that the formation of soil and maintain a good structure, good ventilation and a certain amount of water are essential conditions. Therefore, the water should be appropriate, water and gas to be coordinated, if the paddy field poor drainage, excessive water in the soil, it will shadow