该研究以河北衡水冬小麦试验区为研究区，使用全局敏感性分析方法分析EPIC模型在冬小麦产量模拟中的敏感参数。
Sensitive parameters of winter wheat yield simulation in EPIC model were analyzed by global sensitivity analysis in Hengshui experimental area.
本文是根据试验结果对各模拟温阶的产物的产量及组份特征和变化规律进行了系统的分析和研究。
The product yields at various temperature gradients of simulation, and the characteristics of gas and liquid components, and their changing patterns were systematically analysed and studied.
采用营养液培养、人工模拟弱光的方法，研究了营养液中提高铵态氮供应对小白菜产量和品质的影响。
The results showed that the yield and soluble sugar content of pakchoi were increased drastically through applying right amount organic fertilizer.
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