...性质 小麦产量 [gap=1401]rganic‘inorganic rubbish-mixed fertilizer，Soi1 physical and chemica1 characters，Wheat yield ...
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Spring wheat yield 春小麦产量
rice wheat yield 稻麦产量
wheat yield loss 小麦产量损失率
rice-wheat yield 稻麦产量
winter wheat yield 冬麦产量
wheat yield components 小麦产量构成要素
wheat yield and quality 小麦产量与品质
Density had more significant effects on wheat yield than soil fertility.
密度对小麦产量的影响比土壤肥力更为显著。
参考来源 - 期刊学术社区Combining with the advantages of two kinds of gray GM(1,1) and BP neural network forecasting models,the study put forward a kind of gray neural network model,and wheat yield in Benggbu City was forecasted by this model.
结合灰色GM(1,1)预测模型和BP神经网络2种预测模型的优点,提出了一种灰色神经网络模型,并用该模型对蚌埠市小麦产量进行预测。
参考来源 - 基于灰色神经网络的粮食预测·2,447,543篇论文数据，部分数据来源于NoteExpress
Drought stress has been the main factor of limiting wheat yield.
在全球许多地区，干旱胁迫已经成为限制小麦生产的主要因素。
Effects of rice straw covering net on soil erosion and wheat yield were studied with self-designed soil erosion boxes under simulated rainfall.
通过自制土壤冲蚀槽，并进行人工模拟降雨试验，研究了稻秆编织地表覆盖物对坡地土壤侵蚀和小麦产量的影响。
Drought is one of the most serious agricultural meteorological disasters, and the main limiting factor for raising winter wheat yield in North China.
干旱是华北平原最严重的农业气象灾害之一，是冬小麦产量稳定上升的重要限制因素。
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