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.
降雨是影响低丘红壤坡地土壤侵蚀和养分随径流迁移的一个关键因子。
Rainfall is a key factor affecting soil erosion and nutrient cycle by runoff in low hilly red soil area.
由土壤养分平衡方程和最小限制因子定律，讨论了因时因地制定施肥策略的必要性。
Based on the balance equation of soil nutrient and the law of the minimum limiting factor, some general principles are proposed for making fertilizer application tactics.
坡度、坡向、坡位等环境因子对土壤养分有一定的影响。
The environment factors, such as gradient, aspect and position of the slope, had effect to some extent on soil nutrient.
试验结果表明，土壤缺钾是该试验的主要养分限制因子之一；
The potash deficiency in soil is proved the restricting factor in this experiment.
通过土壤养分系统研究法，诊断出贵州省铜仁地区松桃县黄泥土影响小麦产量的主要限制因子排列为：P>K>B。
The main soil nutrients of affecting wheat yield is P>K>B by the systematic approach for determining nutrient contents of the yellow soil in Tongren prefecture.
试验研究了果—草人工生态系统中土壤生物因子与土壤养分的关系。
A experiment was done to study the relation between biological factors and nutrients in soil in an artificial fruit-grass ecosystem.
限制温室蔬菜生长的土壤障碍因子是：养分失衡、盐渍化、连作等。
The obstacles of soil environmental to vegetables growth in greenhouse were the soil nutrient out of balance, the soil salinization and culture without rotation etc.
采用土壤养分状况系统研究法。在摸清土壤养分限制因子前提下，平衡施肥。
By using soil nutrient state system study method, balancing soil fertilization have been adopted after the soil nutrient limitation factors had been made clear.
利用土壤养分状况系统研究法，对江西宜春油茶幼林土壤进行了养分限制因子的研究。
According as the systematic approach for soil nutrient status, the nutrients limiting factors of the young oil-tea soil in Yichun of Jiangxi were studied.
密植对土壤养分环境的压力，造成多因子、多梯度的养分限制因子；
The high density planting affecting soil nutrinent environment causes nutrinent limitation from many factors and many stairs.
密植对土壤养分环境的压力，造成多因子、多梯度的养分限制因子；
The high density planting affecting soil nutrinent environment causes nutrinent limitation from many factors and many stairs.
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