渭干河灌区粮食作物低产变高产示范研究报告

Demonstration and benefit of high-yield techniques for grain crops in Weiganhe valley

在渭干河流域灌排设施全面改造的基础上,诺瓦西拉木村通过开挖和修整排水渠调整灌水渠系,修建条田精细平整土地,使历来高低不平,因盐碱、瘠薄而低产的土地状况得到逐步改造。在该村13.4hm2低产田布置的粮食作物低产变高产示范,通过实施粮食作物高产栽培技术规程,选用优良品种塔配,增加基肥用量,提高播种质量,精细管理等系列丰产措施的贯彻,使粮食作物正播小麦和复播玉米的合计产量1995年达到13398kg/hm2,1996年达到893.2kg/hm2,较开展示范研究前1993年的合计产量3303kg/hm2,分别增加6186kg/hm2及10095kg/hm2,带动该村粮食生产由低产进入了高产水平,并对同类低产田改造起到辐射推动作用。

Based on the thorough improvement of irrigation and drainage engineering in Weiganhe valley, the high-yield planting techniques was demonstrated in 13.4 hm\+2 farmland by using improved varieties, raising sowing quality, increasing the application rate of base fertilizer, and adopting intensive management measures. The total yield of winter wheat and summer corn in the demonstrative fields reached (9 489) kg/hm\+2 in 1995 and 13 398 kg/hm\+2 in 1996, being 6 186 kg/hm\+2 and 10 095 kg/hm\+2 higher than that in 1993. Therefore, the grain production in the demonstrative area was greatly enhanced. The high-yield techniques can be widely extended in other similar areas with low productivity.