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- Movement of soil nutrient of wheat field in arid desert area. 沙漠地区麦田土壤养分运动特征。
- content of soil nutrients 土壤养分含量
- Regression analysis found that clay content was more important in the situation of low pH for conservation of soil nutrients. 研究显示,土壤黏粒含量对土壤养分的保持能力在低pH条件下比在高pH条件下显得更为重要。
- A layer loss in soil profile is a sign of soil nutrient loss. 土壤剖面中A层的流失是土壤养分流失的标志。
- The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility. 土壤微生物数量、酶活性与土壤养分间呈显著相关关系，可作为评价土壤肥力的指标。
- RESEARCH ON THE CHANGES OF SOIL NUTRIENTS IN THE FiELDS OF SHANXI AGR.UNI. 山西农业大学农作站土壤养分变化浅析
- Manure not only provide many nutrient element that boost growth of cropbut also raise content of soil organic material, mend farming construction of soil. 有机肥不仅提供了庄稼生长所需要的多种营养元素，而且增加了土壤中有机物的含量，改进了土壤的耕作结构。
- In order to find out the variations of soil nutrient content infarmlan ds of Guizhou, a survey of soil and fertilizer was conducted again in 1998, base d on the survey results of 1985. 为了解近年来化肥施用量倍增后，贵州农田土壤养分含量的变化，在1985年土壤调查的基础上，1998年再次进行了土壤和肥料调查。
- Abstract: In order to find out the variations of soil nutrient content infarmlan ds of Guizhou, a survey of soil and fertilizer was conducted again in 1998, base d on the survey results of 1985. 文摘:为了解近年来化肥施用量倍增后，贵州农田土壤养分含量的变化，在1985年土壤调查的基础上，1998年再次进行了土壤和肥料调查。
- Effects of Soil Nutrients on Plasticity of Floral Characteristics in Iris japonica Thunb. 土壤养分对蝴蝶花的花形态可塑性的影响。
- Integrated evaluation of soil nutrients in modern agricultural demonstration garden of Dongyang county. 东阳万亩园区土壤养分综合评价研究
- Dynamics of Soil Nutrients during Natural Recovery Process of Abandoned Farmland in Huailai Basin,Hebei Province. 怀来盆地弃耕地自然恢复过程中土壤养分动态
- The content of total N,NH + 4 N and NO - 3 N varied widely with different organs because of the effects of soil water,nutrient content, atmospheric temperature,vegetable feature and selective absorption to nitrogen,etc. 受土壤水分、养分、气温和植物本身特点及其对N素选择吸收作用等多种因素影响 ,小叶樟、毛果苔草和漂筏苔草 3种植物不同器官中‘三氮’含量变化较大 ,NO-3 N比NH+4 N含量稳定且NH+4 N/NO-3 N >1;
- The differences of soil nutrients might be related to soil texture and application rate of fertilizer. 各调查点土壤养分含量之间的差异与施肥量和土壤质地有关。
- The subarea of soil nutrients could provide the theoretical basis for subarea management in crop fertilization. 摘要土壤养分分区可为作物施肥分区管理提供理论依据。
- The quantities distribution of rhizosphere microorganisms were positively correlated with the soil enzymic activities, contents of organic matter and soil nutrients. 微生物的数量分布与土壤酶活性、有机质含量、土壤养分状况等强弱呈正相关关系。
- The accumulation speed of soil nutrients in higher density stands was higher while low density stands had negtive effect on the nutrient accumalation. 较大密度的林分林地土壤养分的累积速度较快，而较小密度林分不利于土壤养分的累积。
- The organic matter content of soil is relative with the buffer action of acid and alkali of soil. 此外，土壤有机质含量的高低与其对酸碱的缓冲能力成相关。
- There are some clods of soil on the mat. 垫子上有些土块。
- Multiple variable indicator Kriging method is also proved to be an alterative for integrated evaluation of soil nutrients. 同时也证明了多变量指标克里格法在土地养分状况的综合评价中应用的可行性。
