土壤的例句大全

The study on dealkalization and distilling Ti and Sc from red mud was made.

研究了用石灰脱碱,降低赤泥对土壤的环境危害,并提取其中贵重金属的方法.

It offers so-called rich soil the charge of choosing school.

这为择校交费提供了“肥沃土壤”.

A Study on Phosphorus Transformation and Residual Effect of Phosphate Fertilizer in Calcarious Soil

石灰性土壤中磷肥后效及磷素转化规律的研究

Research on Soil Microelements: Forms of Manganese in Calcarious Soils

河北省石灰性土壤中锰的形态研究

Effect of winter sown Chinese vetch on soil enzyme activity in calcarious dirt soil is studied.

研究在石灰性烂田中冬种紫云英对土壤酶活性的效应。

Results showed that application of potassium fertilizer can significantly increase grain yield under the calcarious soil conditions of Changling county.

结果表明，在长岭县石灰性土壤条件下施用钾肥增产效果明显。

The residual effect and the fixation and transformation principles, the efficiency of water-soluble phosphorus fertilizer during experiment period on a calcarious soil are studied from 1982 to 1989.The economic efficiency of different distributions is also evaluated.

对河北省低磷石灰性土壤磷肥后效以及试验周期中水溶性磷肥的固定转化规律及其有效性进行了研究，并对磷肥不同分配方式的经济效果做了评价。

In calcarious soil, the correlations between the refuse application rates and lettuce yield were expressed by logarithmic models perfectly and the marginal yield decreased as the refuse application increased, similar to the effect of fertilizer.

在石灰性土壤上，莴笋产量与垃圾用量间的关系符合对数模型，其边际产量随垃圾用量增加而减少，与一般肥料效应相似；

Study on the Soil Erosion Simulation Model of the High-dimension Non-linear Index Model GWS and Its Parameters Identification Method

土壤侵蚀模拟的高维指数非线性模型及参数辨识方法研究

Analysis on the Soil Fertility in T on gde County

同德农业土壤肥力状况浅析

EUF Method and Its Application on Evaluating Potassium Supplying Status in Soil

电超滤法及其在评价土壤供钾状况中的应用

The Sources of Mineral N Released by EUF and Their Effect on Reflection of Soil Nitrogen Supplying Capacity

EUF析滤出的矿质氮源及其反映土壤供氮能力方面的效果

Electro-ultra-filtration ( euf) method for studying potassium status of the main soils in Sichuan

用电超滤法研究四川主要土壤供钾状况

Effects of Pesticide-contamination on the Population of Methanogens and Methane Emission in Paddy Rice Soil

农药污染对黄松稻田土壤产甲烷菌数量和甲烷排放通量影响的研究

Effect of Phytoremediation of Manganese Mine Tailings Contaminated Soils by Phytolacca americana on Following Plants

利用美洲商陆修复锰尾渣污染土壤对后茬植物的影响

Schima superba and Phytolacca acinosa were proved to be ideal species in phytoremediation of Mn-contaminated soil.

木荷、商陆是Mn污染土壤植物修复的理想物种；

Application of Hydrus-1D to the estimation of soil hydraulic parameters

用Hydrus-1D软件推求土壤水力参数

No wastewater release in manufacture procedure, remaining and soil assimilate after degradation, no second pollution formed.

产品在生产过程中，无污水排出，降解后，残余物质与土壤同化，不会形成二次污染。

The study on spatial variability and assessments of soil nutrients in reclamation areas and sediments heavy metals in aquafarm areas of intertidal areas, could improve the efficiency of nutrient use, promote the precision fertilizer in the reclamation area, and strengthen environmental protection in aquafarm areas.

开展滩涂围垦区土壤养分和增养殖区沉积物重金属的空间变异性研究和评价工作，可提高围垦区养分利用效率、促进围垦区精准施肥，并且对加强增养殖区环境保护也具有重要意义。

The effect of Mg and K contents on physiologically potassium-deficient leaf blight of papaya plant was studied by investigation and sampling in the fields with low K and high Mg and chemical analyses in the laboratory.

采用田间调查、采样及其室内分析与田间试验相结合的方法，在低钾而高镁的土壤上，从植株各个部位探索番木瓜植株镁、钾营养变化对其生理性缺钾叶枯症的影响。