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- Effect of Nitrogen and Potassium on Quality of Lettuce Grown in Acid Garden Soil and Its Mechanism 氮钾对酸性菜园土壤莴笋品质的效应及机理研究
- acid garden soils 酸性菜园土
- Zn situation of vegetable garden soils and its relation to soil organic carbon. 菜园土壤锌营养状况及其与土壤有机碳的关系。
- Always use sterile potting soil. Using garden soil can have disastrous effects. 一定要用消过毒的盆栽土,随便用花园里的土会带来灾难性后果。
- Effect of amendments on ryegrass growth in mixed soils of copper mine tailing and garden soil. 黑麦草在铜矿尾矿砂与菜园土复合土壤上的生长及其影响因素研究
- DDTs was the primary compound in soil samples,accounting for 98.9% of the pesticides POPs. The source of DDTs was garden soils in city parks. 其中滴滴涕占总有机氯农药类POPs物质的98.;9%25;是北京地区土壤中残留有机氯农药类POPs物质的主要成分;城市公园、园林土壤是城市滴滴涕的主要污染源
- The organic phosphorus(P)fractionation in garden soil in changsha city were studied. 为探明菜园土有机磷形态与其磷素肥力的关系;以长沙市郊区主要菜园土为材料;对其土壤进行了有机磷形态分级.
- Experiments indicated that the order of accumulations of Cu, Zn, Cd, Pb, Crand F in the three garden soil types were as follows: Calcarous soils>red soils>alluvialsoils. 试验表明,3种菜园土对Cu,Zn,Cd,Pb,Cr,F的富集顺序为灰菜园土>菜园红土>潮菜园土,在各污染元素中,3种菜园土对Pb,Zn的富集作用最强;
- Sandy loams and clays make up the average garden soil in various mixtures of these elements. 除了盐分高外,澳洲大部份的花园土壤是沙质土和粘土的混合物,土壤中磷的含量很低。
- Xinyang both southern-style vegetable garden soil, and characteristics of the North. 信阳土菜园既有江南风味,又有北国特色。
- The contents of Cu,Zn,Pb,Cd in vegetable garden soils in suburbs of Nanning City were analyzed in our laboratory in order to evaluate pollution of heavy metals on farmland through a survey. 通过采集土样进行分析,对南宁市郊菜园土壤重金属Cu、Zn、Pb、Cd污染状况进行了调查及评价。
- Four strains of Bacillus spp. B15, B110, B113 and B122 were isolated from garden soil samples, which were collected from Shandong and Jiangsu Provinces. 从山东和江苏采集的菜园土样中分离筛选得到4株芽孢杆菌B15、B110、B113和B122,它们均对植物病原真菌具有较强的拮抗能力且具有广谱性。
- The isothermal desorption of Cd was significantly correlated with isothermally absorbed Cd. It is noticeable that part of added Cd was fixed,which represented the Cd fixation capacity of vegetable garden soils. 菜园土壤吸附的Cd2 +的解吸量与吸附量呈极显著正相关 ,但有相当大部分吸附的镉不能被解吸 ,而仍被土壤所固持
- In this thesis, the present situation of heavy metal (CiK Zn> Cd> PbN Ci\ Ni) pollution of vegetable garden soils and vegetables in Nanning city suburbs was investigated and evaluated. 以油菜为供试植物,通过盆栽试验,研究了天然沸石对铅污染菜园土壤的修复作用。
- The Purple-caitai planted in vegetable garden soil had higher yield than that in yellow loam.While the Purple-caitai planted in yellow loam had better quality. 菜园土上种植的红菜薹产量高于黄壤土上的产量,但黄壤土上种植的红菜薹的品质更佳;
- CECs of garden soils in Shanghai ranges between 10 ~ 20 cmol/kg and are significantly correlated with OM, pH, clay content, bulk density and soil aeration, so CEC is a good indicator of soil fertility, nutrient retention capacity and buffering capacity. 上海城市园林土壤的阳离子交换量(CEC)多集中在10~20cmol/kg,与土壤的理化性质:有机质、pH、黏粒含量、体积质量、通气孔隙度都存在极好的相关关系,能够综合反映土壤的肥力水平、保肥能力和缓冲能力。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Garden soil medium was testified to have shorter germination time and higher germination rate, but the formation of sporophyte on soil was obviously later than those on MS culture media. 以菜园土为培养基质时,变异鳞毛蕨孢子的萌发时间短且萌发率高,但幼孢子体出现的时间明显晚于无菌培养。