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扎兰屯市人民政府在认真总结前两年攻关经验基础上,决定1986年全市搞30万亩高产攻关田,其中玉米15万亩,大豆10万亩,甜菜5万亩。具体技术措施如下:一.玉米高产技术措施1.选地选茬,一次抓全苗。玉米攻关田要求选择土质肥沃的地块,选大豆、小麦茬或谷茬,避免玉米三年以上连作。采取起垄整地,坐水埯种,一次播种抓全苗。2.选用杂交种,按品种区因地适种。扎兰屯市中北部的2100度区选用克单三号、嫩玉一号杂交种;中南部2300度区选用克单四号、嫩
Zallantun City People’s Government conscientiously summed up the previous two years based on the experience of key research, decided in 1986 the city engaged in 300000 acres of high yield field research, of which 150000 acres of corn, soybean 100000 mus, 50000 mus of sugar beet. Specific technical measures are as follows: I. High-yielding corn technical measures 1. Selection of cropping, grasping the whole seedlings. Corn attack Guan Tian requires the selection of fertile soil mass selection of soybean, wheat stubble or stubble, to avoid corn more than three years in a row. Rounded Ridge to take place, take a water plant species, a sowing grasp the whole seedlings. 2. Selection of hybrids, according to the species area suitable species. In Zhalantun City, the 2100-degree area in the north-central part was selected with Ke Dan 3 and Nanyu No.1 hybrids. The 2300-degree central and southern regions were selected with Ke Dan Si No. 4