red-soil upland
常见例句
- 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.
为提高红土红壤磷的有效性和肥料磷的利用率 ，设立长期定位试验 ，研究了红壤旱地不同施肥条件下土壤磷素的变化规律 。 - 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.
以未开垦利用的荒草地（A）为对照，研究不同轮作方式对高原山地红壤肥力的影响。 返回 red-soil upland