结果表明：松栎混交林对土壤的改良效果最好，草地次之，马尾松纯林则较差。
The results indicated that the effect of mixed masson pine and oak forest on soil amelioration was the best, that of grass was the second and the pure masson pine forest was the worst.
采用室内塑制质反应器培养方法，研究了制浆废液处理的木质素污泥对酸性土壤的改良效果。
The improving effects of acid soil with lignin- sludge from treating pulping black liquor was studied using indoor culture methods with plastic reactors.
因这种碱化土壤的改良难度较大，而目前从事此项工作的研究的又很少，使这相当数量的土地被常期撩荒。
Because It is more difficult to be improved and now the study for alkaline soil is also few, much land is long abandoned.
从土壤入渗功能、枯枝落叶层最大持水量以及土壤贮水能力等方面进行研究，探讨不同植被类型对土壤的改良效果。
At last in order to analyze the improved effect on soil, the staggered research was discussed in the following aspects: infiltration capacity of soil, water holding capacity for soil and litter layer.
利用盐生植物群落的结构特征和优势植物叶的氯硫比，可以指示土壤含盐量，为盐荒土壤的改良利用提供科学依据。
Adopting the characteristics of the community structure and the ratio of chlorine and sulfur in the leaves of plant could indicate the salt content of soil, which would provide scientific basi...
碱渣对酸性土壤有良好的改良作用，对荔枝、芸豆、番茄、番薯产量有明显提高。
Soda residues can favorable improve acidity soil, and have obvious increase in production of lichee, kidney bean, tomato and sweet potato.
人们开始越来越多地使用脱水后的动物粪便作为替代燃料，这同样会损害土壤，因为这些珍贵的土壤改良剂和植物养分的来源将无法再回归到土壤之中。
The increasing use of dried animal waste as a substitute fuel has also hurt the soil because this valuable soil conditioner and source of plant nutrients is no longer being returned to the land.
落到地上的树叶还能改良土壤。
一系列研究发现，通过此方法每年将有高达9亿公吨的碳会被锁定——同时改良土壤肥力更好地种植各种谷物。
Studies suggest as much as 900 million metric tons of carbon a year could be locked up this way—and improve the soil's ability to grow crops as well.
生物技术还提供了这种可能性：减少有毒农药的用量，还可以提高肥料和其他土壤改良剂的效率。
Biotechnology also offers the possibility of reducing the use of toxic agricultural pesticides, and may also improve the efficiency of fertilizer and other soil amendments.
现在经由农民、花农和垂钓者的传播，蚯蚓俨然成了地下工程师，它们正在改良明尼苏达州、亚伯达省和安大略湖地区的成片土壤。
Spread today by farmers, gardeners and anglers, earthworms are obsessive underground engineers, and they are now remaking swathes of Minnesota, Alberta and Ontario.
这个专家将给我们作一个如何改良土壤的讲座。
那么结果就是，基因改良树木会抢占天然树木的资源，诸如阳光、土壤和水等。
As a result, the genetically modified trees out compete the native trees for resources: sunlight, soil nutrition and water.
从土壤水分下渗能力曲线出发，从理论和实验分析两方面说明水土保持措施下土壤入渗性能的改良作用。
Based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis.
混合肥是一种能够改良土壤的黑乎乎的肥沃物质。
Compost is a dark, rich material added to soil to improve it.
在大量调查和田间试验的基础上，提出了适用于当地的潜育化沼泽化土壤改良利用途径。
The proper ways of amelioration and utilization of gleying and swamping soils were presented on the basis of a large number of field investigations and experiments.
他们找到了很多改良土壤的办法。
决明属牧草既是重要的饲料作物，又在土壤改良、水土保持等多方面发挥着积极作用。
As important forage crops, legumes of the genus Chamaecrista play an important role on soil improvement, water and soil conservation, etc.
结果表明碱渣对酸性土壤有良好的改良作用，对荔枝、四季豆、番茄、番薯等作物均有良好的增产效果。
The results indicate that soda residues can favorable improve acidity soil, and have obvious increase in production of lichee, kidney bean, tomato and sweet potato.
由此可知，玉米秸秆可以替代草炭作为越橘栽培中土壤改良的有机物料。
It concluded that maize straw could be used as an organic materials for blueberry soil amendment instead of peat.
改良后的土壤毛管持水量、含水量明显增加。
The capillary water and the moisture of amended soil significantly increased.
采用混灌轮灌和良好的土壤改良管理措施，回归水可开发利用。
Adopting appropriate irrigation system and soil management practices, the return water with low degree of mineralization can be reused.
本文论述了自1980年调查以来冀东滨海稻区耕地土壤养分的变化状况，分析了土壤养分含量变化的原因，提出了改良途径。
In this paper, we discuss soil nutrients change status of paddy rice land in Jidong coastal area since 1980, to analyse the reasons and put forward a modified way.
我们讨论的是对土壤的间接改良，但还有直接的作用。
What we have been discussing are the indirect improvements of soils. But there are direct results, too.
我们讨论的是对土壤的间接改良，但还有直接的作用。
What we have been discussing are the indirect improvements of soils. But there are direct results, too.
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