错株增密种植对夏玉米光合特性及产量的影响

张春雨,白晶,丁相鹏,张吉旺,刘鹏,任佰朝,赵斌

Effects of Staggered Planting with Increased Density on the Photosynthetic Characteristics and Yield of Summer Maize

ZHANG ChunYu,BAI Jing,DING XiangPeng,ZHANG JiWang,LIU Peng,REN BaiZhao,ZHAO Bin

表1 土壤养分含量

Table 1 Nutrition content in soil

年份 Year 试验地点 Test location 有机质 Organic matter (g·kg-1) 全氮 Total N (g·kg-1) 速效氮 Available N (mg·kg-1) 速效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) 2018 泰安市马庄镇试验基地 Test base in Mazhuang town, Tai'an city 11.20 0.71 56.43 28.32 109.01 2019 黄淮海区域玉米技术创新中心 Huang-huai-hai regional maize technology innovation center 10.38 0.78 57.11 36.51 126.87