red-soil upland

常見例句

The effect of different manure on soil microorganisms and soil enzyme activities in an upland red soil was studied through a four-year field planting experiment.
為提高紅土紅壤磷的有效性和肥料磷的利用率，設(shè)立長期定位試驗(yàn) ，研究了紅壤旱地不同施肥條件下土壤磷素的變化規(guī)律。
In a study reported in this paper, no-cultivation meadow (A) was used as control sample to study the effect of rotation systems on soil fertility of upland red soil in Yunan plateau.
以未開墾利用的荒草地（A）為對照，研究不同輪作方式對高原山地紅壤肥力的影響。