Bio-availability of calcium in soil and the interaction with other elements;
土壤钙的生物有效性及与其它元素的相互作用
Based on the 2nd phrase of the Xuanmen fresh water storage reservoir of Yuhuan County Zhejiang Province,build the logarithm function mathematical model by the basic way of mathematical statistics to predict the rate of soil desalination of the new reclamation area,then educe suitable soil desalination formula for this tidal wetland and applied it.
以浙江玉环县漩门二期水库蓄淡工程背景,从土壤盐分统计预报的基本方法──数理统计法出发来预测涂区土壤的脱盐速度,建立了对数函数数学模型并进行了模型的检验与讨论,得出适用于该滩涂湿地涂区的土壤脱盐量公式并进行了预测计算。
Preliminary Study on the Feature of Calcium in Greenhouse Soils of Shenyang Suburbs
沈阳市郊温室土壤钙素特征的初步研究
growing or living in soil rich in lime.
生长或生活于钙质土壤。
Study on the CaCO_3 Content Characteristics in Conterminous Region of Beijing,Tianjin and Hebei
京津冀接壤区土壤表土层中碳酸钙的分布规律
A soil of semiarid and arid regions that is rich in calcium carbonate and lime.
钙层土半干燥和干燥地区含丰富碳酸钙和氧化钙的土壤
covered with caliche, a hard calcium-carbonate encrusted soil.
被硝酸钠，和硬碳酸钙覆盖的土壤。
Additions of organic matter to soil hasten calcium losses.
土壤增施有机质会促进钙的损失。
Study on Prevention and Control of Arsenic Toxicity by Calcium, Magnesium and Iron;
钙、镁、铁对土壤砷污染的治理研究
Studies on Soil Fertility Quality Evolvement and Phosphorus Form Transformation in Newly Cultivated Light Sierozem;
新垦淡灰钙土土壤肥力质量演变及土壤磷素形态转化的研究
A Study on Soil CaCO_3 Deposition and Soil CO_2 in Loess Hilly Area;
黄土丘陵区土壤碳酸钙淀积过程及土壤二氧化碳的研究
Effect of Long-term Alfalfa Succession on Soil Sulfur,Calcium,and Magnesium in the Loess Plateau
黄土高原长期种植苜蓿对土壤硫、钙、镁的影响
Effects of Elaeagnus angustifolia and Ulmus pumila on Physical and Chemical Characteristics of Chestnut Soil
栗钙土区栽植沙枣、榆树对土壤理化性质的影响
Movement and Transform of Ca in the Soil and Characters of Vegetables Enriched with Ca and Its Affecting Factors;
钙在土壤中的迁移转化和蔬菜富钙特性及影响因素研究
A plant that does not grow well in lime-rich soil.
嫌钙植物一种富石灰质土壤中长势不好的植物
A plant that thrives in soil rich in lime.
钙生植物生长于富含石灰质土壤中的植物
The growth of the aerial portion was closely related to the supply of available calcium in the soil.
地上部分的生长、与土壤有效钙的供应密切相关。
Alfalfa will fail to grow well on soils which lack sufficient amounts of available caleium.
苜蓿在有效钙含量不足的土壤上生长不良。
The nitrate form commonly dominates where liberal nitrogen fertilization is practiced.
施用足量氮肥的土壤，通常硝酸钙占优势。
Preliminary Study on Effect of HA Activate CaHPO_4 in Calcareous Soil;
石灰性土壤中腐植酸活化磷酸氢钙的试验研究