To distinguish effects of soil factors and space factors, the experiment was conducted in black soil area, and soybean plants were cultivated with a model of different rages of sash.
为了从理论上区分土壤因子和空间因子的作用，试验采用框栽的方法控制土壤面积，研究了增大空间因子对生长在不同土壤面积上的大豆植株的影响。
Under soil drought stress lamella structure of chloroplast wrenched obviously and there was a black area, which had high electron density in the middle of chloroplast.
在土壤干旱胁迫下，叶绿体的片层结构发生严重的扭曲并在中央部分形成电子密度较高的黑色团块物质。
The change of soil enzyme activities aren't apparently different in the area where plant black cabbage to the area where plant tomato.
种植乌塌菜小区和种植番茄小区土壤酶活性变化趋势基本一致。
The change of soil enzyme activities aren't apparently different in the area where plant black cabbage to the area where plant tomato.
种植乌塌菜小区和种植番茄小区土壤酶活性变化趋势基本一致。
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