栽培措施对荞麦结实率及产量和品质的影响

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本文以甜荞常陆秋为试验材料,对不同栽培调控措施下荞麦的生长发育、结实率、产量及有效成分的变化进行了较为深入系统的研究。主要试验结果如下:1.播期对荞麦生育期的影响显著大于密度和施肥,5月15日至6月5日播种的荞麦能正常分枝开花,6月15日播种的不能正常生长、分枝。荞麦全生育期为105-120天。2.播期、密度和施肥均会影响荞麦的形态指标。随播期延迟荞麦的株高、茎粗、分枝数、干物质积累与分配均降低,适宜的播期是提高荞麦产量的先决条件。密度与株高呈正相关,与茎粗、分枝数、干物质积
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