soil density的例句大全

Fertility improved through tillage in the water is the process of accumulation of organic carbon. Carbon density of paddy soil is two or three times of that of dry soil.

水耕熟化过程是有机碳的积累过程，水稻土的碳密度是旱作土碳密度的2～3倍。

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No tillage and organic farming also altered the distribution of soil organic C among different density fractions.

免耕及有机耕种也能改变不同密度组分中的土壤有机碳分布。

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The soil seed bank and vegetation are similar in terms of species composition, density, the indices of the diversity and similarities.

土壤种子库和地上植被在物种组成、密度、生物多样性以及相似性系数方面均具有较高的相似性。

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Mass loss rates of fir leaf litter appeared consistent with the taxa and individual relative density of soil fauna.

不同孔径凋落物袋内土壤动物的类群和个体相对密度与凋落叶的质量损失率呈现相对一致的变化趋势。

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Quantitative Analysis of Influence of Air Resistance and Soil Bulk Density on One-dimensional Vertical Infiltration

气相阻力与土壤容重对一维垂直入渗影响的定量分析

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The study for Sulfate ( sulfite) saline soil in different soil dry density and the law between Salt and sodium content and frost heave force

硫酸（亚硫酸）盐渍土不同土干密度和硫酸钠含量盐-冻胀力规律试验研究

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Saline control area of bare land and soil bulk density as high as 1.4 g cm3.

对照区盐碱裸地的土壤容重高达1.4gcm3。

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The result shows that there are obvious difference in the colonization rate, density and species number of AMF when the inocula are soil from the different plant community.

结果表明：用不同植物群落的土样作为接种物，三叶草菌根侵染率和根际AMF种类和密度有很大差异，但菌根真菌种类数目较多；

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Crops in cultivated land can cover soil surface so as to conserve soil because of high crops 'density, coarse in ground and crops' roots.

坡耕地种植作物能形成地表覆盖，具有一定的保土功能，其保土原理是作物密度大，地表微起伏和根系的固土作用。

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Soil pH was negatively correlated with hyphal and total colonization of Adenophora borealis and spore density of Bupleurum chinense, while positively correlated with spore density of Adenophora borealis.

土壤pH与北沙参菌丝定殖率和总定殖率、北柴胡孢子密度呈显著负相关，与北沙参孢子密度呈显著正相关。

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Soil available N was positively correlated with spore density of Salvia miltiorrhiza and Dioscorea opposite, and hyphal and total percent colonization of Adenophora borealis, while negatively correlated with arbuscular colonization of Aster tataricus;

土壤碱解N与丹参和麻山药的孢子密度、北沙参菌丝定殖率和总定殖率呈显著正相关，与紫苑丛枝定殖率呈显著负相关。

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Ta could colonize on the soil of watermelon plant with the stable population density of 2.8 × 10 7cfu/ g · soil.

西瓜根围取样分析表明，Ta能够在根围定殖，并能稳定地达到2.8×107cfu／g土壤的菌落种群。

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Soil alkali solution N and pH did not exhibit a correlation with AM fungal colonization or spore density.

土壤碱解N和pH与AM真菌定殖和孢子密度没有显著相关性。

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Spore density is also negatively correlated with the contents of soil organic matter, soil available P, soil available K and soil Cl-.

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。

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Regulation Density of Soil and Water Conservation Forest of Platycladus orientalis

侧柏水土保持林密度调控

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Best Density of Soil and Water Conservation Forest on Loess Plateau of Western Shanxi Province

晋西黄土高原水土保持林适宜密度研究

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A study on optimum density of soil and water conservation Black Locust Forest in Taihang Mountain

太行山刺槐水土保持林的适宜密度研究

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An optimum planting density must be employed to get a high yield, depending upon soil condition, varietal tillering ability, fertilizer level, number of plants per hill, and planting season.

获得高产必须采用最适植株密度，视土壤条件、品种分蘖力、肥力水平、每蔸苗数和播种季节而定。

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Results showed that 61 groups of soil fauna, average density was 2238.95 ind/ m2, were obtained during two years.

研究结果显示，研究期内共获得土壤动物61类，平均密度为2238.95个/m2。

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Stand description factors affecting the harm extent of the Gypsy moth ( Ocneria dispar) was studied, through stepwise regression analysis from which three significant ones were selected: crown density, infertile extent of soil and forest area.

研究了12个影响舞毒蛾危害程度的林分因子，对这些林分因子对舞毒蛾危害程度进行逐步回归分析，从中筛选出主林层郁闭度、土壤瘠薄程度和林地面积3个关键因子。

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