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- soil available Pb 土壤有效态Ph
- The content of soil available Sulphur was decreased after harvesting cole and radish. 另外种植油菜和四季萝卜的土壤,有效硫的含量较种植前略下降;
- And the increase rates of soil available phosphorus and slowly available phosphorus were MCSWFC>CSU>SFC. 土壤速效磷、缓效磷的增幅均为田菁水植养鱼处理>田菁旱作处理>蓄淡养鱼处理。
- Soil fungi number and urease activity were negative correlation with soil available potassium content. 土壤真菌数量、脲酶活性与有效钾含量呈负相关。
- Compared with CK, soil available P increased by 10-fold and 3-fold with the treatment of NPKM and NPK+straw, and 3-5 fold with NP, PK and NPK. 氮磷钾配施有机肥速效磷含量比不施肥增加10倍以上,而氮磷钾配施秸秆比对照增加3倍;
- Soil culture results showed soil available sulphur had been increased significantly after different sulphur ferti1izer were appl ied. 土壤培育试验结果表明,不同硫肥品种施入土壤后,土壤有效硫含量明显升高,在培育1周时有效硫含量达到最高值,并随着培育时间的延长,土壤有效硫含量表现出先升高而后降低的趋势;
- The result showed that the soil available N content of the vineyard a low and in grade 5 while that was in grade 3 in the kaleyard. 结果显示:东丽区葡萄园的速效氮含量较低,处于5级;
- Soil available water capacity (AWC) plays an important role in the evaluation of drought resistance of soil,planning and managing water resources and conducting irrigation. 土壤有效含水量(AWC)是评价土壤抗旱性、水资源规划和管理以及指导灌溉的重要依据。
- Rhizospheric soil available N, enzyme activities and bacteria related to N transformation under drought stress in two genotypes of maize were investigated with a pot experiment. 摘要通过盆栽试验,研究了干旱胁迫下两基因型玉米根际有效态N及其两种相关酶活性和细菌的变化。
- Through DTPA and M3 extration,soil available Cu,Zn and Mn was measured with atom absorber method in soil samples from southern Shanxi with various soil fertility. 对山西省晋南不同肥力的土样分别采取DTPA与M3提取,用原子吸收法测定土壤中的有效铜、锌、铁、锰。
- The content soil available N, P and K and soil bulk density of vineyard in Dough and kaleyard in Beichen were analyzed in order to enhance crop yield and quality. 摘要为了提高作物的产量和品质,做到配方施肥,采集了天津市东丽地区葡萄园和北辰区菜园土壤样本,测定了土壤速效氮、速效磷、速效钾的含量以及土壤容重。
- Culture pot experiment was used to study the effects of limestone on the content of soil available heavy meatal before planting vegetables in acid soil. 采用盆栽的方式研究了蔬菜种植前施用石灰对南方强酸性土壤中有效态重金属含量的影响。
- Keywords extractant;rhizosphere soil;non-rhizosphere soil;available Pb;available Cd; 浸提剂;根际土壤;非根际土壤;有效态铅;有效态镉;
- Jiao X G, Liang W J, Chen L J, Jiang Y, Wen D Z.Effects of urease/nitrification inhibitors on soil available N and microbial biomass N and on N uptake of wheat. 焦晓光;梁文举;陈利军;姜勇;闻大中.;脲酶/硝化抑制剂对土壤有效态氮、微生物量氮和小麦氮吸收的影响
- Result of experiment indicated that:1) Significant interactive effects of the soil available value of P, K, Fe,Cu and Zn determined by the method of ASI and of conventional analysis ,were obtained from the experiment. ASI法土壤有效P、K、Fe、Cu、Zn、Mn测定值与常规化学分析方法土壤有效P、K、Fe、Cu、Zn、Mn测定值之间相关性显著。
- The results showed the growth of Cunninghamia lanceolota seedlings was improved by the rotation of Oryza sativa and Cunninghamia lanceolata, and the soil available nutrients increased. 结果表明:用水稻等作物与杉木轮作后,杉木苗生长状况改善,土壤有效养分和速效养分增加。
- Soil organic matter,available Ca,Mg,S,Fe,Mn,Cu and Si were abundant,while available N,Zn and B were deficient,and the deficiency rates were 62.5%,62.5% and 87.5% respectively. The CV(coefficient of variation) of soil available P and K changed greatly. 有机质、有效钙、镁、硫、铁、锰、铜以及硅的含量均较丰富; 碱解氮、有效锌、硼普遍缺乏;其缺乏数分别占总样本的62.;5%25、62
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- Soil water not available for absorption by plants. 无效水植物不能吸取的土壤水