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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。
- Monitoring of soil nutrient 土壤养分监测
- 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 Manual for Design and Construction Monitoring of Soil Nail Walls? 我有土钉墙设计施工与监测手册一书的英文原版?
- 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。
- 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。
- 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。
- Effects of Site Condition on Growth and Spatial Differences of Soil Nutrient in Populus simonii Carr. 与相似的文献。
- The effects of soil nutrient level to the number of fruit per genet and the fruit set per genet in Iris japonica Thunb are not significant. 蝴蝶花单株果实数和单株座果率对养分水平的反应差异不显著。
- The technology of soil nutrient map quick mapping is studied taken suitable area for Chinese gooseberry in Zhouzhi County, Shannxi province as a case. 本项目以陕西省周至县猕猴桃适生区土壤养分调查制图为例,进行了土壤养分图快速制图制作技术的技术流程研究。
- Therefore, in the hill of the Loess Plateau, converting cropland to forestland and grassland is good for improving the conditions of soil nutrient. 因此,在黄土高原丘陵区,坡地退耕还林,恢复植被,可以有效改善土壤养分状况。
- Abstract : The soil nutrient, soil microorganisms and soil enzyme activities of soil under five different stands in Alar were studied. 摘要 : 对塔里木河上游果林地和胡杨林地土壤养分、微生物数量和酶的活性变化进行了研究。
- 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]
- They are researched a little on part of soil conservation action, soil moisture, soil nutrient, and the underground portion of intercrop. 提出间套作在栽培措施方面应注意的关键问题:合理安排间套作作物的播种期和移栽期;
- There are some clods of soil on the mat. 垫子上有些土块。
- In situ monitoring of soil water content changes in sloping fields under different use types were carried out in a highland region of southern China using time domain reflectometry (TDR). 应用时域反射仪(TDR)土壤水分定位监测方法,研究了南方丘陵区不同坡地利用方式土壤水分动态及其影响因子。
- 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。
- In the meantime, the dynamic monitoring of soil displacement and pore water pressure was carried out timely, and the loading was controlled strictly on information during preloading. 在充水预压施工过程中,实时进行土体位移和孔隙水压力的动态监测,严格执行信息化施工。
- She was made monitor of our class. 她被选为我们的班长。
- The results are as follows: the differences of microorganism quantity among different type of soil is the significant, so are the enzyme activity and soil nutrient. 与健康林相比,出现生长衰退林地土壤样品的养分指标、微生物和酶活性均有显著程度的降低,表明土壤地力已出现严重衰退。