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- Soil nutrient variability 土壤养分变异
- Hu K L, Li B G, Lin Q M et al.Spatial variability of soil nutrient in wheat filed[J].Transactions of the CSAE, 1999, 15(3): 33-38. [9]胡克林;李保国;林启美;等.;农田土壤养分的空间变异特征[J]
- Hu K L,Li B G.,Lin Q M et al.Spatial variability of soil nutrient in wheat field[J].Transaction of the Chinese Society of Agricultural Engineering,1999,15(3):33-38. [9]胡克林;李保国;林启美;等.;农田土壤养分的空间变异性特征[J]
- According to the spatial variability characteristics of soil nutrient contents in the Guifeng Section,the soil nutrient contents were greatly affected by the mode of land use by man. 利用地统计学方法对龟峰段土壤养分的空间变异性研究表明:龟峰段土壤养分含量的空间变异强烈地受到人类土地利用方式的影响。
- 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。
- 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。
- Soil nutrient and water have a great spatiotemporal heterogeneity. 在森林土壤中;养分和水分具有很大的时间和空间异质性.
- To improve work efficiency, bagged soil nutrient management should be fixed. 为提高工作效率,营养袋装土应采用定额管理。
- Effect of natural zeolite on soil nutrient bioavailability and soil chemical properties. 沸石对土壤养分生物有效性和土壤化学性质的影响研究。
- The reasonable sampling number of grassland soil nutrients should be based on classic statistical characteristics and spatial variability. 草地土壤有机质合理采样数应建立在统计特性和空间结构性基础上。
- The study provided a reference for improving the model of soil nutrient transfer in runoff on the loess slope. 该研究为进一步完善黄土坡面径流养分迁移模拟模型提供了参考。
- Huang S W, Jin J Y, Yang L P, Cheng M F.Spatial variability and regionalized management technology of soil nutrients: the case of Hongqiao to township. 黄绍文;金继运;杨俐苹;程明芳.;乡(镇)级区域土壤养分空间变异与分区管理技术研究
- The relationship of soil nutrient cycling characteristics with productivity of terrace millet on hilly loess plateau. 黄土丘陵区梯田谷子养分循环特征与生产力关系的研究。
- We also raised the potential feedback by soil nutrient availability, which may also influence the BEF relationships. 最后 ,我们提出生物多样性_生态系统生产力之间的关系还可能受到土壤元素可利用性的负反馈作用的影响
- The soil nutrient contents and adsorption experiments were completed by Agro Service International Inc.(USA). 土壤养分含量和吸附试验由国际农业服务公司(美国)完成。
- GIS will be a very useful working platform for spatial variability analysis of soil nutrients and precision agriculture and sustainability agricultural eco... 以GIS为工作平台利用地统计学等先进方法分析区城土壤养分的空间分异特征时精准施肥、保护生态环境和优化农业生产管理有着重要的意义。图3,表1,参9。
- The pipe engineering could increase the wind erosion and worsen the soil nutrient. 管线施工会增加地表风蚀量,并影响土壤养分和水分状况。
- Huang S W, Jin J Y, Yang L P, Zuo Y B, Cheng M F.Spatial variability and regionalized management of soil nutrients in the grain crop region in Yutian county. 黄绍文;金继运;杨俐苹;左余宝;程明芳.;分区平衡施肥技术对氮肥利用率和土壤养分平衡的影响
- The activities of soil Urease and Sucrase had no significant correlation with soil nutrient. 相关分析表明,高寒草甸的土壤酶活性与营养成分含量之间相关不显著。
- The results showed that soil nutrient lost quicklyduring the initial stage of desertification. 沙漠化发展到严重阶段时,其养分继续损失并不十分明显。