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一膜两季免耕种植技术是旱作农业区抗旱保收的一条有效技术途径，在年降雨量３００ｍｍ左右的地区有广泛的推广应用前景。１选茬整地选择上好的基础茬口、精细整地重施底肥、合理追肥是覆膜免耕种植的基础保证，因为它是一次性打好基础，要连续利用２～３年。前茬以选择小麦、?
One film two seasons tillage cultivation technology is drought-resistant agricultural areas, an effective technical approach to drought in the annual rainfall of about 300mm area has a wide range of promotion and application prospects. 1 stubble site preparation to choose a good foundation stubble, fine preparation of grass base fertilizer, reasonable top dressing is no film tillage planted basis of guarantee, because it is a one-time lay the foundation for continuous use of 2 to 3 years. Before the crop to choose wheat,?