The effect of lignin and lignin-compound fertilizer on the yield of wheat was researched through field experiment in purple soil and moisture soil.
在潮土和紫色土两种土壤上，比较研究了硫代木质素及其复合肥料对小麦产量的影响。
Through experimental researches on the relations between changes of soil moisture, soil salinity, groundwater table and autumn irrigation norm, practical and feasible autumn irrigation norm...
通过土壤含水率、土壤盐分、地下水位的变化与秋浇定额关系的试验研究，确定出切实可行的秋浇定额，实施科学、合理的秋浇制度。
Observing the land with radiometer, the land parameters, such as soil moisture, soil roughness and vegetation layer, have great influences on the soil microwave emission.
在利用微波辐射计进行对地观测的过程中，陆地表面特性参数（如土壤水分、土壤粗糙度和植被冠层）是土壤微波辐射的重要影响因素。
In recent years, the agricultural soil study of the Loess Plateau is mainly focused on long-term fertilization effects on soil moisture, soil fertility, and crop yield.
近年来人们对黄土高原地区农业土壤的研究主要集中在长期施肥对土壤中含水量、土壤肥力、农作物产量等的影响。
To sum up, the elements for the heaving are low temperature, moisture, soil quality and pressure etc.
产生冻胀的原因可归纳为低温、水份、土质、压力等因素。
To sum up, the elements for the heaving are low temperature, moisture, soil quality and pressure etc.
产生冻胀的原因可归纳为低温、水份、土质、压力等因素。
应用推荐