夏玉米高产栽培技术要点河南农业大学郭应信我省地处中原，光热资源丰富，是玉米的适生区。玉米是我省主要秋粮作物，粮食生产形势好坏，事关全省政治经济大局。但由于在种植与管理上习惯沿用传统技术，产量低而不稳。为发挥玉米的增产潜力，提高土地产出率和劳动生产率，... High-yielding summer corn cultivation techniques points Henan Agricultural University Guo Yingxin Province is located in the Central Plains, light and heat is rich in resources, is the maize suitable area. Corn is the main autumn crop in our province. The food production situation is good and bad, which is related to the overall political and economic situation in the province. However, due to the traditional cultivation and management of traditional techniques, the output is low and unstable. In order to give full play to the yield potential of corn and increase land productivity and labor productivity, ...