丰产沟耕作法又称为蓄水聚肥改土耕作法。它是在总结我国传统旱坡地耕作经验基础上发展起来的一项旱作农业增产新技术，近年在山西、山东、辽宁、陕西、宁夏等地推广近亿亩，１９９２年开始在甘肃省庆阳地区进行多点试验示范，达到１．３万亩，示范类型遍及玉米、高粱、小麦、 Ditch tillage farming practices, also known as water and fertilizer farming practices. It is a new technology in dry farming that has been developed on the basis of summing up the traditional farming experience of arid slopes in China. In recent years, it has promoted nearly 100 million mu in Shanxi, Shandong, Liaoning, Shaanxi and Ningxia provinces. In 1992, Regional pilot demonstration of more points to 1.3 million mu, demonstrating the types of corn, sorghum, wheat,