分期施钾对不同质地土壤麦田冬小麦干物质积累和产量的影响

胡鑫慧, 谷淑波, 朱俊科, 王东

Effects of applying potassium at different growth stages on dry matter accumulation and yield of winter wheat in different soil-texture fields

HU Xin-Hui, GU Shu-Bo, ZHU Jun-Ke, WANG Dong

图4 不同处理对籽粒灌浆速率的影响 S: 沙壤土地块; F: 粉壤土地块; K0: 不施钾处理; K1: 钾肥全部播种前底施处理; K2: 钾肥50%于播种期底施+50%于拔节期追施。

Fig. 4 Effects of different treatments on grain filling rate S: sandy loam plot; F: powder loam plot; K0: no potassium fertilizer; K1: all potash fertilizer was applied as base manure; K2: 50% potash fertilizer was applied as base manure and additional potash fertilizer was applied at jointing stage.