论文部分内容阅读
松嫩平原是黑龙江省的主要玉米产区,其玉米面积和总产分别占全省玉米面积和总产的66.9%和67.7%(为1985～1989年5年的平均数),在全省玉米生产中占有举足轻重的位置。由于受当地气候条件、生产条件、土壤类别、科学种田水平等多种因素的制约,黑龙江省境内的松嫩平原28个市县的玉米产量差异较大,仅有双城、肇东、肇州3个市县5年平均亩产超过300千克,其面积为423.0万亩,占松嫩平原玉米种植面积的23.5%;亩产在200～300千克的有巴彦、
Songnen Plain is the main corn producing area in Heilongjiang Province. The corn area and total output respectively account for 66.9% and 67.7% of the total maize area and total output of the province (the average of 5 years from 1985 to 1989) Production occupies a pivotal position. Due to the constraints of various factors such as the local climatic conditions, production conditions, soil types and scientific farming levels, the output of maize in 28 cities and counties in the Songnen Plain in Heilongjiang Province are quite different, with only Shuangcheng, Zhaodong and Zhaozhou The average output per mu of the three cities and counties in the past five years is more than 300 kilograms, with an area of 423 million mu, accounting for 23.5% of the acreage of maize in the Songnen Plain. There are Bayan in 200-300 kilograms per mu,