有机肥部分替代氮肥对豫东冬小麦生长及土壤特性的影响

李青欣, 金秀良, 宋晓, 张珂珂, 郭腾飞, 黄绍敏, 岳克, 丁世杰, 黄明, 李友军

Effects of Partial Replacement of Nitrogen Fertilizer with Organic Fertilizer on Growth of Winter Wheat and Soil Properties in Eastern Henan

Li Qingxin, Jin Xiuliang, Song Xiao, Zhang Keke, Guo Tengfei, Huang Shaomin, Yue Ke, Ding Shijie, Huang Ming, Li Youjun

图5 冬小麦产量、干物质积累转运和氮素营养指标的相关性分析 X1：产量；X2：氮素利用效率；X3：成熟期地上部干物积累量；X4：花前干物质转运量；X5：花前干物质转运量对籽粒贡献率；X6：花后干物质积累量；X7：花后干物质积累量对籽粒贡献率；X8：成熟期地上部氮素积累量；X9：花前氮素转运量；X10：花后氮素积累量。

Fig.5 Correlation analysis of winter wheat yield, dry matter accumulation and translocation and nitrogen nutrition indicators X1: yield; X2: nitrogen use efficiency; X3: aboveground dry matter accumulation at maturity; X4: pre-anthesis dry matter translocation amount; X5: contribution rate of pre-anthesis dry matter translocation to grain; X6: post-anthesis dry matter accumulation amount; X7: contribution rate of post-anthesis dry matter accumulation to grain; X8: aboveground nitrogen accumulation at maturity; X9: pre-anthesis nitrogen translocation amount; X10: post-anthesis nitrogen accumulation amount.