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为探讨不同品种的适宜播期,合理的肥料运筹对小麦群体质量的生长发育、茎蘖动态及产量和产量结构的影响,进行了本试验。1材料与方法 在本场试验,土质为轻沙回潮土,试验地前茬夏玉米,肥力中等,地力均匀。常规栽培管理。 试验采用三因素随机排列,重复两次。供试品种“豫麦21”、“陕229”;亩施肥水平:总氮20.05kg,总P_2O_58.4kg,氮、磷比1:0.42。按照基肥、苗蘖肥、
This study was conducted to explore the effects of different sowing dates and reasonable fertilization strategies on the growth and development, stem and tiller dynamics, yield and yield structure of wheat population. 1 Materials and methods In this field test, the soil is light sand re-soil, the summer before the test ground corn, medium fertility, uniform soil. Conventional cultivation and management. The experiment was randomized using three factors, repeated two times. Test varieties “Yumai 21”, “Shaan 229”; M fertilization levels: total nitrogen 20.05kg, total P_2O_58.4kg, nitrogen, phosphorus ratio 1: 0.42. According to basal fertilizer, tillering fertilizer,