以下为句子列表：
英文: And we use spatial interpolation method to indicate different contents grades on thematic map with different colors ，to set up the soil nutrient information base in Hannan District and draw an evaluateion map.
中文: 运用空间插值法在专题图上用不同的颜色将不同的含量等级表示出来，建立汉南区土壤养分信息库，并绘制评价结果图。
更详细...
英文: For this purpose, a systematic approach for soil nutrient status study was developed, which consists of five steps: (1) proper sampling and sample preparation, (2) basic analysis of soil sample for availability of 11 essential nutrients, (3) adsorption of
中文: 为此目的，我国有关专家新近旨进了一套研究土壤养分状况的系统方法，该方法分五个步骤：（1）正确的采样和样品制备；（2）土样中11种必需营养元素速效含量的测定；（3）土壤对主要养分的吸附；（4）验证养分限制因子的温室研究；（5）田间试验。
更详细...
英文: The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility.
中文: 土壤微生物数量、酶活性与土壤养分间呈显著相关关系，可作为评价土壤肥力的指标。
更详细...
英文: The largest and perhaps only real threat to sustainable agriculture comes from unchecked population growth and the resulting downstream effects such as changes in the climate, soil erosion, soil salinization, and soil nutrient depletion.
中文: 持续农业所面临的最严重的威胁是无限制的人口增长以及随之带来的气候变化、土壤侵蚀、土壤盐渍化以及养分耗竭。
更详细...
英文: The results showed that the vegetation types made a remarkable effect on the soil nutrient content.
中文: 结果表明：不同植被类型覆盖下，土壤有机质含量为乔木＞灌木＞草本＞农田＞弃耕地。
更详细...
|
