数据表明土壤磷潜势。
施用磷肥和钾肥是提高土壤磷钾养分的基础。
It was foundation of improving the soil PK nutrient to applying the PK fertilizer.
本文研究了柠檬酸对土壤磷释放和吸附的影响。
The effects of citric acid on the release and absorption of phosphorus in soil experiment were studied by isothermal adsorption.
抛物线扩散公式能很好地拟和土壤磷素释放特征。
The releasing characteristic of soil phosphorus can be exactly depicted by parabolic diffusion equation.
消落区土壤磷素释放对水体富营养化有重要影响。
Phosphorus release of soils in the drawdown area strongly affected eutrophication of water column.
土壤全磷与PSD(土壤磷饱和度)有很好的正相关性。
Total phosphorus of surface soil had a significantly positive relation with PSD.
解吸模型研究为评价土壤磷素有效性提供了一种新方法。
The studies on desorption model afforded a new method to estimate biological validity of soil p.
随着耗竭试验的继续，各处理土壤磷库含量都呈下降趋势。
Following with the exhaust test, the content of soil phosphorus storage of each treatment showed a declining tendency.
土壤磷饱和度可很好地表征土壤磷释放和对环境的潜在影响。
These results indicated that soil P saturation degree could efficiently characterize soil P release potential and its impaction on the environments.
土壤磷素的农业非点源污染是导致水体污染的最主要原因之一。
Soil phosphorus as agricultural non-point source pollution is one of the main factors which led to water pollution.
土壤磷素的农业非点源污染是导致水体污染的最主要的原因之一。
Soil phosphorus as agricultural non-point source pollution is one of the main factors which lead to water pollution.
研究水稻耐低磷机制，对高效利用土壤磷的水稻品种改良具有重要意义。
It is important to elucidate the mechanism of low phosphorus tolerance in rice for the improvement of utilization efficiency of soil phosphorus.
土壤有效磷数量和强度及其缓冲系数是评价土壤磷素供应能力的重要指标。
The quantity of soil available phosphorus and intensity and its buffer coefficient are the important indexes to evaluate supply capacity of soil phosphorus.
说明土壤磷素随肥力水平提高有富集趋势，主要是与土壤有机磷的富集有关。
That is to say, there was enrichment tendency for phosphorus, especially for Po, with the increase of soil fertility.
有机酸影响土壤磷的释放是酸溶解作用和与金属离子络合反应共同作用的结果。
Acid dissolution and metal ion complexing reactions of the organic acids accounted for their stimulation of soil phosphorus release.
在有机肥对土壤磷吸附—解吸的直接影响中，其中的可溶性有机机物起主要作用。
The soluble organic substances of organic manure played a main role in the direct effect of organic manure on phosphorus adsorption-desorption in the soils.
结果表明大团聚体可能是土壤磷供给的主要来源，小团聚体则是保持土壤磷的场所。
The results show that large aggregates of soil phosphorus is the main source of supply, small aggregates is preserving soil phosphorus places.
有机酸通过影响土壤中无机磷组分，促进难溶性磷酸盐溶解，从而提高土壤磷的有效性。
Organic acids can improve soil phosphorus availability by affecting the inorganic phosphorus fraction and mobilizing soil sparingly soluble phosphate.
有机酸对土壤磷的固定有较大影响，其影响作用从大到小依次为腐殖酸、柠檬酸、酒石酸。
Organic acids have a great effect on phosphorus mobilization with humic acid stronger than simple organic acids.
通过化学分析和土壤淋洗试验对广州城郊菜地土壤磷素特征和流失风险进行了研究和分析。
The phosphorus characteristics and loss risk assessment of vegetable garden soils in the suburbs of Guangzhou city were studied by chemical analyses and leaching experiment.
盆栽试验研究了不同施磷水平的强酸性土壤上油菜幼苗根系形态特征及其对土壤磷素吸收。
Through pot culture, the author studied the formation characteristics of the root system of rape seedlings planted in strong acid soil and the absorption of phosphorus through the root system.
以棕红壤为对象，采用等温平衡吸附法，研究了不同有机酸种类和浓度对土壤磷吸附的影响。
It was studied that the effect of different kinds of organic acids and their concentrations on the soil phosphate absorbing capacities by way of isothermal absorption in the brown soil.
土壤微生物生物量磷是植物磷素营养极其重要的来源，对土壤磷素的供给和调节起着重要作用。
Soil microbial biomass P is a valuable resource to plant P nutrient, and also play an important role in the transformaion of soil phosphorus.
AM真菌对作物的有益作用受生态条件影响很大，其中土壤磷的有效性是重要的影响因子之一。
The useful role of AM fungi to crops has been influenced by ecological conditions, such as the phosphor is an important factor.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
溶磷微生物是一类参与土壤磷循环的重要微生物类群，它们能够将土壤中的难溶性磷转化为有效态磷。
Phosphorus solubilizing bacteria in soil plays an important role in phosphorus cycling and converting insoluble phosphate into soluble forms.
溶磷微生物是一类参与土壤磷循环的重要微生物类群，它们能够将土壤中的难溶无机磷转化为有效态磷。
Phosphate-dissolving microorganisms in soils play an important role in phosphorous cycling, converting insoluble phosphate into soluble forms.
通过化学分析、等温吸附试验对广州重要水源地流溪河流域的菜地土壤磷素特征和流失风险进行了研究分析。
The characteristics and run-off risk of vegetable plot soil phosphorus in Liuxi river area was analysed by chemistry analysis and adsorption experiment.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
采用田间试验与室内分析相结合的方法，探讨了烤烟地膜覆盖与双行凹型垄结合对烤烟及土壤磷素含量的影响。
The effects of double-row concave ridge and film mulching on phosphorus content in flue-cured tobacco leaves and soils were studied by field and laboratory experiments.
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