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- Effects of Biological Organic Fertilizer on Nitrate Accumulation in Greenhouse Vegetable and Salt Accumulation in Soil 生物有机肥料对温室蔬菜硝酸盐和土壤盐分累积的影响
- salt accumulation in soil 土壤积盐
- Salt accumulation in surface soil 盐分表聚
- It was obvious that soil salt accumulated in deep soil of farmland and soil salt accumulated in surface horizon of uncropped soil. 荒漠绿洲边缘区的演变以环境梯度变化为主要驱动力。
- STUDIES ON SALT ACCUMULATION IN THE SOIL OF FLOWER SHED 花卉大棚土壤积盐规律的研究
- Nitrate distribution and accumulation in soil profile in Entisol in northshaanxi, Anthrosol in Guanzhong plain, Paddy soil in southshaanxi, were studied and the relationship between soil texture and nitrate leaching was described in this paper. 研究了陕北黄绵土,关中土与陕南水稻土土壤剖面中硝酸盐的分布与累积,分析了硝酸盐淋移与土壤剖面粘粒含量的关系。
- Effects of single and combined pollutants Pb,Hg,Cd,Pb,Cd and Pb -Hg -Cd on cole growth and their migration an d accumulation in soil -plant system u nder modifying measures were studie d with a pot experiment. 采用盆栽实验,研究了在未加钝化剂和添加钝化剂的条件下,Pb、Hg和Cd单因子污染及Pb-Cd和Pb-Hg-Cd复合污染对油菜生长性状的影响和重金属在土壤-油菜系统中迁移、积累的特性。
- SummaryThe characteristic of NO3--N accumulation in the soil layer of 40~220 cm with different amounts of nitrogen application was studied by analysis of NO3--N in soil solution collected in a cinnamon soil of the Piedmont Plain of Mt. Taihang. 通过采集土壤溶液并测定其硝态氮(NO3--N),对不同施N处理下40-220cm土层的NO--N累积特征进行了研究。
- The experiments in pot culture were conducted to study the effects of Anaerobic Fermentation Residues (AFR) on nitrate accumulation in rape and available nitrogen in soil in order to provide new way for the comprehensive utilization of biogas engineering. 研究沼气发酵产生的厌氧发酵残余物 (沼液、沼渣 ,以下简称沼肥 )在培肥土壤过程中土壤速效氮的变化及对油菜硝酸盐含量的影响 ,为沼气综合利用提供新的理论和技术依据。
- For nitrate accumulation in soil profile, soil under sole fababean was the highest, followed by that under intercropped wheat and fababean, and soil under sole wheat was the lowest. 不同种植方式下土壤剖面中硝酸盐累积量趋势表现为蚕豆单作>小麦、蚕豆间作>小麦单作。
- Field experiment was carried out to investigate the yield advantage of intercropped wheat and faba bean, and on nitrate accumulation in soil profile at different N application rates. 摘要 通过田间小区试验,研究了小麦/蚕豆间作条件下作物的产量优势及不同施氮水平和种植方式中土壤硝酸盐累积。
- Field experiment was carried out to investigate the yield advantage of intercropped wheat and faba bean,and on nitrate accumulation in soil profile at different N application rates. 摘要 通过田间小区试验,研究了小麦/蚕豆间作条件下作物的产量优势及不同施氮水平和种植方式中土壤硝酸盐累积。
- SALT ACCUMULATION IN THE SOILS OF SUNG-NUN PLAIN,NORTHEASTERN CHINA 东北松嫩平原盐渍土的盐分累积
- EXTRACTION OF REMOTE-SENSING INFORMATION OF SURFACE SOIL SALT ACCUMULATION IN THE UPPER REACHES OF THE TARIM RIVER 塔里木河上游表土积盐量遥感信息提取研究
- Changes of nitrate-N accumulated in soil profile after changing grain crop land into vegetables land. 粮田改种蔬菜后土壤剖面硝态氮的变化。
- Quantitative analysis of spatial distribution pattern of soil salt accumulation in plough layer and shallow groundwater in the Yellow River Delta 黄河三角洲地区浅层地下水与耕层土壤积盐空间分异规律定量分析
- Amounts of moisture in soil vary greatly. 土壤中湿度变化很大。
- The seed may grow if you plant it in soil. 如果你把这种子种在土里,它可能会生长。
- Their role in soil has not been defined adequately. 它们在土壤中的作用还未充分肯定。
- Results showed that both soil salt accumulation and acidulation in topsoil were evident and the amounts of main soil nutrients are increased. 结果表明,随着连作年限的增加,温室土壤盐分表聚和酸化现象明显,土壤主要养分含量有增加的趋势。