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川西平原目前小麦大面积亩产已达600斤左右,怎样实现进一步高产,是生产上迫切需要解决的问题。七十年代中期以来,四川省农科院小麦室与广汉、成都市郊等地协作,对川西平原小麦进一步高产的问题,进行了系统的研究。结果证明:在川西平原自然生态条件和当前生产条件下,选用穗重型高产小麦良种(如绵阳11号),适当降低基本苗,改条播为小窝疏株密植(撬窝点播),配合精细整地、合理施肥等综合措施,建立合理的群体动态结构,在一定穗数基础上,争取较高穗重,是进一步高产的有效途径。为了检验这一新途径在较大面积上的增产效果,以利进一步推广,1980年秋在广汉
At present, the large-scale wheat output in the western Sichuan plain has reached about 600 kilograms per mu. How to achieve further high-yielding is an urgent problem to be solved in production. Since the mid-1970s, the Sichuan Academy of Agricultural Sciences wheat room and Guanghan, Chengdu suburbs and other places in collaboration, the wheat yield in western Sichuan Plain further problems were systematically studied. The results showed that under the natural ecological conditions and the current production conditions in the western Sichuan Plain, the spike-heavy and high-yielding wheat breeds (such as Mianyang 11) were selected to reduce the basic seedlings properly. , Rational fertilization and other comprehensive measures to establish a reasonable dynamic group structure, based on a certain number of spikes, strive for a higher ear weight, is an effective way to further high yield. In order to test the yield increase effect of this new approach in a larger area, in order to facilitate further promotion, in the autumn of 1980 Guanghan