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(一)旱地分带轮作制,在我县正走向高级阶段旱地多熟,最近几年在我县玉米生产上,经过试验研究、示范推广提前盖膜“营养坨”育苗移栽技术,面积由小到大。到1984年,推广面积已达27.7万亩,加露地育苗,全县育苗移栽面积为30.3万亩。几乎整个乡全面推广这项先进栽培技术,这对分带轮作起了主导作用,进一步协调和调整了旱三熟种间竞争的矛
(A) Dryland zoning rotation system, in our county is moving towards the advanced stage of dry land more mature, in recent years in our county corn production, through experimental research, demonstration and promotion of early film “nutrition lumps” seedling transplanting technology, the area from Small to big. By 1984, the promotion area has reached 277,000 mu, plus exposed nursery, the county transplanting area of 300,000 mu. Almost the entire village to promote this advanced cultivation technology in an all-round way, which played a leading role in the distribution of round, to further coordinate and adjust the competition between drought and three species of spear