1)soil pH value土壤pH值
1.The influence of plant N/P,soil pH value on wetland plant species richness;植物N/P与土壤pH值对湿地植物物种丰富度的影响
2.Spatial distribution and conditional simulation of soil pH values in small watershed of loessial gully region黄土沟壑区小流域土壤pH值的空间分布及条件模拟
3.The present paper deals with the relationship between the Al content in tea leaves and each of tea age and soil pH value.探讨茶叶铝含量与叶龄及土壤pH值的关系。
英文短句/例句
1.Soil Ph Value and to Explore the Relationship Between Soil Nutrient土壤pH值与土壤有效养分关系探讨
2.Determination and Analysis on the pH of Soil in Wanyuan City of Sichuan Province四川省万源市土壤pH值测定及土壤酸碱度分析
3.Effect of Soil pH Value on the Fruit Characters of Pyrus pyrifolia Nakai. cv. Whangkeumbae土壤pH值对黄金梨果实品质的影响
4.Relationship between pH and Available Nutrient of Soil--a Case Study in Baima Town of Neijiang City土壤pH值与土壤养分有效态关系探讨——以内江市白马镇为例
5.Assessment of Heavy Metals and pH in Soils for Mengding Mountain Tea Gardens蒙顶山茶区土壤重金属环境质量及土壤pH值现状评价
6.Effects of soil salinity accumulating and ion constitution on pH in the soil of protected field保护地土壤盐分积累及其离子组成对土壤pH值的影响
7.Effect of pH of Soil on Growth and Developing of Lupinus polyphylla土壤pH值对多叶羽扇豆生长发育的影响
8.Correlation Between Soil pH and the Contents of Available Nutrients in Selected Soils from Three Pear Orchards in Wendeng梨园土壤pH值与其有效养分相关性分析
9.Design and Experiment on the Field Information pH Value and Electrical Conductivity Acquisition Instrument农田土壤pH值和电导率采集仪设计与试验
10.Spatial distribution and conditional simulation of soil pH values in small watershed of loessial gully region黄土沟壑区小流域土壤pH值的空间分布及条件模拟
11.The Study of the Effect of Soil pH on the Growth of Apple and Its Mechanism;土壤pH值对苹果生长发育影响及其酸害机理研究
12.Soil pH in Liaoning Tobacco Planting Area and Its Impact Tobacco Quality辽宁植烟土壤pH值状况及其与烟叶主要品质指标的相关分析
13.Spatial variability of karst soil pH on drainage basin scale--A case in Xiaojiang basin,Yunnan流域尺度的岩溶区土壤pH值空间变异研究——以云南小江流域为例
14.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
15.Minimum zinc solubility is in the PH range 6.0 to 8.0.土壤PH值为6．0-8．0时，锌的溶解度最
16.Effect of pH on Release Amount of Pb and Cd in SoilpH值对土壤中Pb、Cd释放量的影响
17.Effect of Soil Kinds,Temperature and pH on Adsorption for Norfloxacin in Soil土壤类型、温度和pH值对诺氟沙星吸附的影响
18.Reseach on the Selection of Pheretima aspergillum for Water Content and pH Value参环毛蚓对土壤含水量及pH值因子的选择研究
相关短句/例句
Soil PH土壤pH值
1.Influence of Applying Calcium Cyanamide on the Soil pH,EC Value and Growth of Cucumber Seedlings;施用氰氨化钙对土壤pH值·EC值及黄瓜生长的影响
2.Effect of Soil pH Value on the Fruit Characters of Pyrus pyrifolia Nakai. cv. Whangkeumbae土壤pH值对黄金梨果实品质的影响
3.We measured soil pH,soil electrical conductance and germination parameters of cabbage seeds as screening means to screen out the proper krilium and their proportioning for effectively ameliorating alkaline soil.2;种子发芽率,发芽势和发芽指数与土壤pH值有密切关系(p<0。
3)pH value土壤pH值
1.Comparative studies on the pH value, organic matter, total N, exchangeable Ca and Mg, available K, P, B, Mo, Cu, Fe, Zn, Mn in the 0~20 cm soil layer among the 3 forests, Pinus massoniana forest(PMF), pine and broadleaf mixed forest(PBMF), and monsoon evergreen broadleaf forest(MEBF) which consists of a succession series in Dinghushan, south China show that the pH value in PMF soil(4.比较研究了南亚热带鼎湖山森林群落演替序列中马尾松林、针阔混交林和季风常绿阔叶林表层(0～20cm)土壤pH值、有机质、全N、速效K、交换性Ca和Mg、有效P、B、Mo、Cu、Fe、Zn和易还原Mn等营养元素的含量及其相关关系,结果表明:马尾松林土壤pH值显著高于其它两森林土壤;随着群落的进展演替,养分在土壤中的累积(Ca除外)呈不断增加的趋势,即马尾松林<针阔叶混交林<季风常绿阔叶林;不同指标的累积呈现出持续增加(有机质、交换性Mg、有效B、Mo、Cu、Fe和易还原Mn)、持续递减(交换性Ca)、先增加再减少(有效P)和先减少再增加(pH值、总N和有效Zn)的4种变化形式;土壤养分元素的相关对对数以马尾松林最多。
4)variation of pH value of soil土壤pH值变化
5)soil pH土壤pH
1.A study of the effect of soil pH on chemical species of cadmium by simulated experiments.;土壤pH对镉存在形态影响的模拟实验研究
2.Content of available phosphorus in soil determined by Olsen method and its correlation with soil pH;Olsen法测定的土壤速效磷含量与土壤pH值的相关性研究
3.Spatio-temporal variation and associated affecting factors of soil pH in the past 20 years of Jiangsu Province,China;近20年来江苏省土壤pH值时空变化及其驱动力
6)tobacco-planting soil pH植烟土壤pH
1.To explore the effect of humus fertilizer on alkaline tobacco-planting soil pH,tobacco yield and quality,the application rate of humus acid compound fertilizer were divided into four experimental treatments(0、150、300、600 kg/hm2) in 2005.为探索施用腐殖酸类肥料对碱性植烟土壤pH及烤烟产质量影响,2005年在河南许昌烟区进行了腐植酸复合肥施用量(0、150、300、600kg/hm2)的4个不同施用量的肥料田间试验,试验结果表明:施用腐殖酸类肥料可降低土壤的pH值,施用量愈大,降低幅度愈大,同时土壤的有机质、速效氮、速效磷、速效钾升高,土壤容重下降;施用腐殖酸复合肥不影响烟株前期发育,但会推迟成熟期,施用300～600kg/hm2腐殖酸复合肥烟株农艺性状较好,烟叶的经济性状较好;施用适量300kg/hm2腐殖酸复合肥烟叶主要化学成分较协调、评吸质量较好。
延伸阅读
pH值分子式：CAS号：性质：H30+浓度的负对数称为pH值。即pH=-1g[H3O+]。如[H3O+]=1.0×10-7mol/dm3，pH=7.00。水溶液的pH的范围在0～14之间，pH为1～7呈酸性，pH为7～14呈碱性。pH=7呈中性。
