研究了不同生态条件下，土壤养分因子对马铃薯产量和商品薯率作用效果。
The effects of soil nutrient factors on potato yield and commodity rate were studied in different ecological conditions.
提出利用土地环境条件、土壤物理特性、土壤养分因子反映矿区土地质量。
It is proposed that mined land quality can be estimated by environmental conditions, soil conditions, such as nutrient contents, physical factors.
草原土壤养分含量与气象因子相互关系的研究。
Study on the Interrelationship among Nutrient Content of the Steppe Soil and Meteorological Factors.
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