速效磷
- 网络Olsen-P;ppm;PzOs
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土壤速效磷含量、pH状况主要对孢子密度产生影响,对种群分布影响不大。
Spore density was affected by soil Olsen-P content and pH , while species diversity was little affected .
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研究结果表明:1、甘肃农田土壤全氮、速效磷含量显著提高,土壤钾素含量总体上略有上升,但局部地区下降明显。
The results are as follows : 1 . The contents of total soil nitrogen and Olsen-P in farmlands increased obviously , soil potassium content increased slightly in general and reduced in some regions .
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在富速效磷土壤上,其R/S较小,且施菌肥和不施菌肥基本没有区别。
Whether using phosphorus bacteria fertilizer or not , the value of R / S has not distinction .
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太湖流域典型地区土壤有机质、pH和速效磷钾的分布研究
Distribution of soil organic matter , soil pH , available phosphorus and available potassium in soil of Taihu
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施用腐殖酸肥料N素利用率提高,增加了土壤速效磷的含量,促进了钾的消耗。
Compared with inorganic fertilizer , humic acid fertilizer increased N utilization and available P and comsumption K in soil .
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从幼苗的实验结果看,土壤速效磷(P)含量与高粱幼苗干物质量有良好的线性关系。
Seeding dry matter was linear relationship with soil effective P.The amount of SiO2 and CaO in PRs had impact on its direct application .
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重金属(Zn、Cd)污染对土壤中速效磷的影响
Effect of Heavy Metal ( Zn , Cd ) Pollution on Available P in the Soil
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显著(P0.05)增加碱解氮、土壤速效磷和速效钾含量。
The contents of alkali-hydro nitrogen , rapidly-available phosphorus and rapidly-available potassium were increased significantly ( P0.05 ) .
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相对来说,全氮含量总体较低是金坛市土壤肥力的主要限制因子,pH值较低和速效磷水平较低是部分地区土壤生产力的主要限制性因子;
The low pH and available phosphorus content may be comparative limiting factors of soil fertility in some area of Jintan county .
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pH、全磷和速效磷在地类和不同土层深度中没有显著差异。
There was no significant difference in pH 、 total P and available P among different land types or different soil depth .
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孢子密度与土壤有机质、速效磷、速效钾和Cl-含量呈负相关,泡囊定殖率与土壤pH呈正相关,而与土壤湿度、速效钾和Cl-含量呈负相关。
Spore density is also negatively correlated with the contents of soil organic matter , soil available P , soil available K and soil Cl - .
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各层pH和速效磷含量之间存在极显著的正相关关系,pH和全磷含量存在负相关关系。
There was a significant positive correlation between the content of pH and available phosphorus . But there was a negative correlation between pH and total phosphorus .
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试验表明:大部分处理能提高土壤的PH值、有机质含量、碱解氮及CEC、速效磷含量。
It showed : each treatment could improve the soil PH , organic matter , alkalized-nitrogen , CEC , rapidly available phosphorus .
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重金属污染土壤中,综合污染指数和速效磷含量是影响种的丰度的主要因素,土壤pH值与重金属综合污染指数是影响孢子密度的主要因素。
Soil pollution index and Olsen-P content were more closely related to species diversity in polluted soil , while pH and Olsen-P content were more closely related to spore density .
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速效磷的含量规律是抛荒地>菜地>园地>水稻田。2002年土壤pH值、有机质和全氮含量的变异系数明显高于其他土壤养分,其中全氮含量的变异系数最大。
Secondly , the variation coefficients of organic matter and total-N content are apparently higher than other soil nutrients , and the variation coefficient of total-N content is the highest .
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对湛江地区辣椒地土壤取样,测定了容重pH、及有机质、全氮、碱解氮、速效磷、速效钾含量。
Soil sample from the chilli field was taken to determine its bulk density , pH and the organic matter , overall nitrogon , inorganic nitrogen , quick-acting phosphorus and potassium .
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决策树和GIS图层叠置方法研究结果表明,土壤有机质始终占据决策树全部知识规则的第一次分支,起着重要的决定性作用,其次为速效磷和碱解氮;
The results based on decision-making tree and GIS overlay analysis show that the soil organic matter always holds the first place in all knowledge rules , P and N rank the second .
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用Olsen速效磷指导经济施用磷肥的可行性论证
Demonstration on the possibility to guide economically apply P-fertilizer by Olsen-P method
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沼液不同施用浓度对果园土壤的有机质、速效磷、速效钾的含量有显著影响,对氨态氮、pH值的影响不显著。
Different concentrations of biogas slurry had remarkable influence on the contents of organic matter , effective phosphorus , effective kalium of orchard soil , whereas the effects on the ammonium-nitrogen and pH were slight .
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结果表明,随着种植年限的延长,土壤养分增加,其中有机质、全N、全磷和速效磷的含量增加较明显,土壤pH值有降低的趋势;
The results showed that the nutrient contents of soil increased with vegetable planting years , especially organic matter and total N and total P and available P. The pH of soil appeared to drop tendency .
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土壤无机磷中的Ca2-P、Ca8-P、Al-P、Fe-P均与速效磷存在着显著的正相关,并且随着土壤肥力水平的提高,其含量亦随之增加。
Ca 2 P , Ca 8 P , Al P and Fe P of soil inorganic phosphorus were much positively correlated to rapidly available phosphorus , and the content increased with the increase of soil fertility .
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限制该地区耕地生产潜力的生态因子主要为:速效磷、CEC和道路通达度。
CEC , soluble phosphorus and accessibility to roads are the primary niche factors that restrict land productive potential in this area .
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土壤颗粒组成状况显著地影响土壤的速效磷、速效钾、浸水容重、吸湿率、烧失率、pH值等,对土壤紧实度、有机质含量也有一定的影响。
The forest soils particle size composition notability affected validity phosphorous , validity potassium , soggy density , hygroscopic water , ignition loss and pH. Influence also takes place in soil compactness and organism in some extent .
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菌丝量在T2土壤速效磷含量为19.8mg/kg时达到最高。
The quantity of external hyphae was the highest under T2 treatment ( soil available phosphorus 19.8mg / kg ) .
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不同土壤类型中,土壤pH、速效磷、速效钾、交换性钙镁、水溶性氯及大部分微量元素都存在极显著差异性,潴育性水稻土各指标值相对较高。
In different soil types , soil pH , available phosphorus , potassium , exchangeable calcium and magnesium , water-soluble chlorine and most of trace elements have extremely significant differences , Retention in paddy soil has high items relatively .
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研究岳西县不同海拔高度山区土壤养分含量及气候特点,结果表明,山区土壤有机质含量较低,土壤含N、速效磷和速效性钾含量普遍极低。
The nutrient contents of mountain soils and climate characteristic at the different height in Yuexi county were studied . It was observed that the mountain soils were seriously deficient in organic matter , nitrogen and readily available phosphorus and potassium .
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温度对Olsen法测定潮土速效磷的影响和校正方法的探讨
Discussion on the Influence of Temperature in Testing Available Phosphorus in Chao Soil by Olsen Method and Its Correction
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Olsen法土壤速效磷温度校正系数的研究与应用
A study on the temperature correction coefficients of soil active phosphorus determined by olsen 's method and their application
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温度与BrayⅠ法土壤速效磷测定结果的相关研究
Studies on the correlation between temperature and determined result of active phosphorus in soil by method Bray I
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玉米生长期间石灰性土壤Ca-P转化特征与土壤速效磷、磷酸酶活性及相关性研究
Transformation Characteristics of Ca-P in Calcareous Soil and Correlativity With Soil Available P and Phosphatase Activity During Maize Growth