Seedling growth, plant growth, premature bolting, yield and quality of Angelica sinensis were obviously influenced by sowing date in seedling bed raising in greenhouse in winter.
2、冬季床播育苗的播种期对当归苗的生长及定植后的生长发育、早抽薹、产量及品质都有较大影响。
参考来源 - 冬季育苗与光肥调控对当归抽薹及生长发育的效应研究The grain yield decreased with the delay of planting date during the sowing period in the experiment.
在试验研究设置的播种期范围内,籽粒产量随播种期推迟而下降。
参考来源 - 播种期和密度对冬小麦群体质量和产量的调控效应·2,447,543篇论文数据,部分数据来源于NoteExpress
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