【摘要】 针对辽东、辽南地区玉米生产种植密度低、耕层浅薄、施肥单一、养分失衡、田间管理水平和机械化程度低等问题进行分析,提出转变种植观念、合理密植、深翻深松土壤、合理施肥、良种良法配套等措施,以提高玉米单位面积产量。更多还原

【Abstract】 According to the problems of low planting density,shallow plough layer,sigle fertilizing,nutrient imbalance,poor field management and mechanization level of maize production in southeast Liaoning,the solutions increased the yield per unit area were found to promote the corn field yield by changing the plant concept,rational close planting,deep tillaging and loosing soil,rational fertilizing,seting fine seed and fine methods.更多还原