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黑龙江垦区玉米生态区划研究黑龙江垦区不同生态区玉米高产栽培技术规范化研究课题协作组玉米是黑龙江垦区主要粮食作物之一，近几年年种植面积１０万公顷左右。垦区现有１０２个农场，散布在全省各地，各农场之间自然生态条件差别很大。根据各地自然条件及其对玉米生长发...
Heilongjiang reclamation corn ecological zoning study Heilongjiang reclamation area different ecological zones corn high-yielding cultivation technology standardization research collaboration group Corn is one of the main cereal crops in Heilongjiang reclamation area in recent years the planting area of 100,000 hectares. Reclamation existing 102 farms, scattered throughout the province, the farm between the natural ecological conditions vary greatly. According to the natural conditions around and its growth on corn ...