black alkali soil是什么意思

用法例句

Spatial distribution and potential ecological risk of Cd, Pb, As in Jilin black soil;

吉林黑土中Cd、Pb、As的空间分布及潜在生态风险

Effects of added concentrations of Cd and Pb on the distribution of Cd and Pb forms in black soil of northeast China and on the Cd and Pb uptake by cole;

Cd、Pb投加浓度对其在黑土中化学形态分布及油菜生长和吸收Cd、Pb的影响

The cause of black soil ecological system frangibility and its rehabilitate;

黑土生态系统脆弱性成因与修复

Joint effects of acetochlor and Cu~(2+) on indigenous bacterial communities in phaeozem;

乙草胺铜离子复合污染对黑土农田生态系统中土著细菌群落的影响

Effect of various fertilization on the organo-mineral complexation and the combined forms of humus of phaeozem;

不同施肥对黑土有机无机复合及腐殖质结合形态的影响

Effect of Nature Rainfall on N Nutrient and Fertility in Phaeozem Surface;

自然降雨对黑土地表氮素养分流失的影响

Dynamic changes in the activity of urease and CAT in phaiozem-wheat systems under the stress of Cd and chlorimuron-ethyl;

Cd、豆磺隆胁迫下黑土-小麦系统中酶活性的动态变化

Systematic investigations were carried out into the sources of heavy metal pollution in phaiozem throughout twenty two counties/cities in northeast China.

对中国东北北部 2 2个县市黑土可能发生重金属污染的污染源进行了系统调查 ;对土壤样品中Cd、Pb、Cu、Zn进行检测分析 ,4种重金属的检出范围依次为 0 0 1 3— 2 31mg kg ,1 0 5 2— 5 7 48mg kg ,42 1 3— 2 2 7 1 0mg kg和 9 95— 46 1 8mg kg 。

The relationship between the effective application of Zn fertilizer and the yield of maize grown in was studied through pot and field experiments in phaiozem and chernozem in Songnen Plain.

通过田间试验 ,研究了松嫩平原黑土和黑钙土锌肥的有效施用条件与玉米产量的关系。

Effect of Different Concentration of Acetochlor on the Maize Seedling Growth in the Agricultural Mollisol;

农田黑土中不同浓度乙草胺对玉米苗期生长的影响

Characteristics of bacterial community in an arable mollisol under long-term phosphorus fertilization;

长期磷肥处理农田黑土细菌群落特征

Distribution of Labile Soil Organic Carbon and Nitrogen in Mollisol in Northeast China;

东北黑土活性有机碳、氮分布研究

black leather jackets; as black as coal; rich black soil.

黑色的皮夹克；像煤一样黑；肥沃的黑土地。

Regional culture of black earth and moulding modern Heilongjiang people;

黑土地域文化与黑龙江现代人的塑造

They mixed the sand with the black clay.

他们把黑土掺上沙子。

Calculation and Analysis of Climate-Siol Potential Productivities in Heilongjiang Black Soil Region

黑龙江省黑土区气候—土壤生产潜力计算与分析

Research on "3S"-based(RS, GPS, GIS) Soil Erosion Monitoring Techniques for Black Soil in Heilongjiang Province

基于“3S”技术的黑龙江省黑土区土壤侵蚀监测

Analysis of Climate-soil Potential Productivity in Black Soil Region of Heilongjiang Province

黑龙江省黑土区气候-土壤生产潜力分析

Evaluation of soil ecological environment quality of typical black soils in Heilongjiang Province

黑龙江省典型黑土区土壤生态环境质量评价

Spatial heterogeneity of soil line parameters of black soil zone in Northeast China

中国东北黑土带土壤线空间变异规律

The Influence of "Black Beach" to Soils Nutrient on Alpine Meadow

高寒草甸“黑土滩”对土壤养分的影响

Study on the Method of Soil Productivity Assessment in Northeast Black Soil Regions of China

东北黑土区土壤生产力评价方法研究

Relationship Between Land Use Change and Soil Erosion in Black Soil--Taking the County of Keshan,Heilongjiang Province As an Example

黑土区土壤侵蚀与土地利用关系分析——以黑龙江省克山县为例

Effects of Different Soil and Water Conservation Measures on Soil Quality of Black Soil in the Northeast of China

黑土侵蚀区水土保持措施对土壤质量的影响

Effect of Soil and Water Conservation Forests on Soil Erodibility in Typical Black Soil Region

典型黑土区水土保持林对土壤可蚀性的影响

Problems and Causes of Heilongjiang Province Black-soil Cropland Utilization

黑龙江省黑土耕地利用中存在的问题及原因

Analysis of the Degradation Mechanism of Black Soil on Eastern and Western Slope of Dahei Mountain,Jilin Province

吉林省大黑山东西坡黑土退化的对比分析

Evaluation on Economic Loss Caused by Soil Erosion in Black Soil Region of Northeast China and Its Characteristics Analysis--A Case Study of Eastern Kebai Black Soil Area in Heilongjiang Province

黑土区土壤侵蚀经济损失价值估算及其特征分析——以黑龙江克拜东部黑土区为例

STUDIES ON MOISTURE REGIME IN BLACK SOILS IN NORTHERN PART OF NORTH-EAST CHINA Ⅱ. MOISTURE REGIME AND WATER CYCLES IN CULTIVATED BLACK SOILS

东北北部黑土水分状况之研究——Ⅱ.黑土农业水分状况及水分循环

Determination of MTBE in Black Soil and the Study of the Sorption Characterization of MTBE by Black Soil;

黑土中甲基叔丁基醚（MTBE）测定及其在黑土中吸附特性研究