半旱式栽培是以自然免耕法为基础的一种新式耕作法。是改造冷、烂、锈、粘、酸、瘦水田、提高稻田生产力的一项有效措施,一般亩增稻谷120—150公斤。特别是冷浸、下湿、深脚烂泥田增产效果更显著,亩增稻谷180—300公斤。本县稻田面积26万多亩、其中低产稻田面 Semi-arid cultivation is a new tillage method based on natural tillage. Is to transform cold, rotten, rusty, sticky, sour, thin paddy fields, an effective measure to improve productivity in paddy fields, the general increase of 120-150 kilograms of rice. In particular, cold soak, wet, deep muddy fields yield more significant effect, mu by paddy 180-300 kg. The county paddy area of ​​260,000 mu, of which low-yield rice surface