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- testing soil pH 测量土壤酸碱值(pH值)
- Soil pH and other environmental influences affect blank shank. 土壤pH值和其它环境变化也影响黑胫
- Soil pH value had a significant negative correlation with total colonization rate and hypha colonization rate. 土壤pH值与总定殖率呈极显著负相关,与菌丝定殖率呈显著负相关。
- Silicic acid had no effect on soil pH,ammonium accumulation and the rate of N mineralization. 两种硅肥对施入土壤中氮的去向均无明显影响。
- The Alishan salamander preferred substrates with neutral soil pH, high soil moisture, and suitable soil hardness. 分析显示阿里山山椒鱼偏好使用木块作为遮蔽物，也偏好遮蔽物上长有苔类者。
- The availability of Si in acid soil was decreased by increaslng soil pH, and that in alkaline soil was increased by decreasing the soil pH. 强酸性土、酸性土，质地偏砂土壤常是缺硅土壤; 提高酸性土的pH，硅的有效性下降，降低碱性土的pH，土壤硅的有效性增强。
- DMPZP could also slow down the falling rate of soil pH,but no significant difference was observed between the treatments of applying DMPZP and DCD. DMPZP的施用还可减缓土壤pH的降低速率;但施用DMPZP和DCD对土壤pH的影响差异不显著.
- Direct shear apparatus (DSA) has been widely used in the world for testing soil shear strength in geotechnical engineering. 直剪仪是测定岩土体抗剪强度参数应用最为普遍的一种试验仪器。
- The effect of soil pH value on the bioavailability and fractionation of rare earth elements (REEs) in wheat seedling ( Triticum aestivum L. 采用盆栽实验,研究了土壤酸度对稀土元素在小麦体内的生物可利用性及分馏效应的影响。
- Chemical analyses of the tested soil are presented in Table 4. 表4提供了供试土壤化验分析值。
- Shuman L M.Evaluation of liming and magnesium materials for increasing soil pH and available magnesium[J].Commun.Soil Sci.Plant Anal.,1985,16(10):1053. 曹志洪主编.;优质烤烟生产的土壤与施肥[M]
- They have been using conventional reeding mafit breeding methods to develop and test soil being soybeans that can grow well under dry conditions. 他们已经用传统的种植方法来研究和测试大豆可以在干旱的条件下很好的生长。
- Soil pH was significantly lowest in CE.Temporal patterns of soil N mineralization and nitrification were significant related to the growth of conifers (i.e. 土壤氮矿化和硝化的时间格局与针叶树的迁移显著相关并且随着凋落物，森林地表，细根和土壤特性的演替而变化。
- Nitrification inhibitors,HQ, DCD and TU, could all decrease nitrate contents in pakchoi significantly in three stages of pakchoi. But the effect varies with the test soil. 三种硝化抑制剂HQ(氢醌)、DCD(双氰胺)和TU(硫脲)在蔬菜的不同时期均不同程度的降低了蔬菜硝酸盐含量，但是不同供试土壤上的试验反映的情况不完全一致。
- The optimum soil pH is 6.5 for Xiangchen(Citrusjunos),6.4 for citrange,6.1 for tangerine(C.reticulata),5.9 for Gou-touchen(C.aurantiurn),5.4 for Canton lemon(C.limonia) and 5.4 for tri-foliata(Poncirus trifoliata). 其最适pH 为:软枝香橙6.;5、枳橙6
- The availability degree (AD, ratio of total content to available content) of Zn, As and F were affected by the contents of total elements, organic matter, free Fe and clay, as well as soil pH. 除铜以外，水稻土锌、砷、氟的有效度(有效量/全量)不同程度受土壤元素全量、有机质含量、游离铁含量、粘粒含量及土壤pH的影响。
- The results indicate that linear equations can describe the adsorption behavior of MTBE in different clays,and the clay content in the test soil is the key factor influencing the adsorption capability. 静态吸附结果表明;MTBE在不同黏土中的吸附行为均可用线性方程描述;黏粒含量是土壤对MTBE吸附的主要影响因素.
- Results indicated that the application of green manuresmay decrease the soil bulk density affectively and adjust the soil pH,meanwhile it may also result the soil microbial biomass to increase greatly. 试验结果表明,绿肥翻压可以有效地降低土壤的容重和土壤的pH值,提高土壤的有机质,同时能促进土壤中微生物数量的大量增加。
- The results showed that the physico-chemical properties of test soils and the Cyanophyta communities had their own characteristics. 结果表明：3种类型土壤的理化特征和蓝藻群落各有其特点，固氮蓝藻有7个属，其中以丝状种类占优势；
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
