Lure effects of trap with creaked wheat depend on different population density.
碎麦诱捕器在不同虫口密度下诱捕效果明显不同。
Effects of different spacing form, density on structure of population, light distribution and yield of phaseolus vulgaris were studied under the high yielding condition.
研究了在高产条件下，不同行距配置、密度对奶花芸豆群体冠层结构、光能分布与利用特性及产量构成的影响。
Effects of different spacing form, density on structure of population, photosynthesis and grain yield of Lankao906 were studied under the high yielding condition.
研究了在高产条件下，不同行距配置、密度对兰考90 6群体结构、光合及产量的影响。
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