The hardness and density of high yielding soils were lower than those of the control plot soils.
高产稻田土壤硬度和容重比对照田块的低。
The results showed that there was little difference in the yield of rice or its economic properties between the fertilized and the control plot.
结果表明:不论何时施用穗肥,其产量与不施稳肥的比较,无明显不同;
The insect community stability of the plot of the longest organic management time was the best, while the control plot of conventional management was the worst.
其中有机管理年限最长地块的昆虫群落的稳定性最好,常规管理的对照地块的昆虫群落稳定性最差。
应用推荐