应用室外盆栽试验方法，将土壤磁效应与生物磁效应相结合，研究了磁处理土壤对土壤小麦系统健康的影响。
By using outdoor pot-culture method combined with biological magnetic effect analysis, this paper studied the effect of soil magnetization on soil-wheat ecosystem health.
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.
土壤水亏缺及杨树遮荫等其它原因造成复合系统农作物减产趋于严重，其中林龄3年的杨农复合系统的小麦玉米产量减产平均达到35%。
The production of crops in agroforestry decreased seriously because of lacking of soil water and illumination and so on, production of wheat and corn in 3 years agroforestry system decreased by 35%.
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