随人口的不断增加,人均占有耕地逐年减少,如何提高土地利用率和产出率,成为实现农业高产高效的主要途径之一。为了充分利用土地资源,提高复种指数,增加经济效益,我们在张掖市城郊经过多年试验、示范,总结出小麦复栽大葱高产高效栽培技术。其要点是: With the continuous increase of population, per capita arable land decreased year by year. How to improve land utilization and output rate has become one of the main ways to achieve high output and high efficiency of agriculture. In order to make full use of the land resources, increase the multiple cropping index and increase economic benefits, we have carried out many experiments and demonstrations in the suburbs of Zhangye City to summarize the high-yielding and high-efficient cultivation techniques of wheat re-planting green onions. The point is: