By replacing nutrition solution with clear water during the later stage of growth, the nitrate content of pakchoi was significantly reduced.
采用在生长后期用清水更换营养液的方法，可明显降低小白菜硝酸盐的含量。
The results showed that the film covering had obvious effect on soil water conservation at the middle stage of corn growth, but neither at the earlier, nor later stage was obvious.
结果表明，地膜覆盖在玉米生育中期保水效果明显，而在生育前期和后期保水效果不明显；
Effects of waterlogging of soil on sorghum root were studied on the Experimental Farm of Shanxi Agricultural University with pot culture utilizing waterlogging-simulation method at later growth stage.
为了研究抽穗后渍水逆境对高粱根系及地上部生长发育的影响，在山西农业大学试验农场进行了人工模拟高粱渍水盆栽试验。
应用推荐