低耕农业在地面上留下许多或全部土壤，以及植物残体。
Low Till Agriculture leaves much or all the soil and remains of plants on the ground.
泥炭植物残体是泥炭和泥炭矿体的主要组分。
Plant residues are the main component of peat and its mineral bodies.
各种植物残体所形成的腐殖质，其性质基本相同。
Various kinds of humus derived from different plant residues are basically the same in nature.
并分析了连作条件下，植物残体和根系分泌物产生的自毒作用。
The autotoxidity caused by plant survivor and root exudates under continuous cropping of v…
许多研究表明根系分泌物与植物残体是连作障碍的关键问题之一。
Root exudates and plant remains in soils were concerned as one of the key reasons for these problems in other crops.
无耕通过更久地在泥土表面保存庄稼和植物残体来减少水土流失。
No-till reduces soil erosion by keeping crop and plant residue on the surface longer.
植物获得的大部分磷是来自动植物残体的分解，换句话说是来自有机化合物。
Plants get most of their phosphorus from the decomposing remains of dead plants and animals — in other words, from organic compounds.
第二种方法是将植物残体全部集中，晒干，最后由贵稀金属提炼厂专门处理。
The second involves all the dried plant residua in the sun, and then are sent to a precious metal extracting factory for special treatment.
对于把氮肥施在植物残体覆盖层以下是否会减少氮的固定，这个问题目前尚不清楚。
Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear.
沼气，主要成分为甲烷，由植物残体在与空气隔绝的条件下经自然分解而成，沼气主要作燃料。
Marsh gas it is composed mainly of methane which is naturally decomposed from the residue of plants under the condition of air isolation, marsh gas is used mainly as fuel.
结果表明，植物残体施用显著影响土壤N2O排放，不同处理之间土壤N2O排放量存在较大差异。
The results showed that the plant residual application significantly influenced N2O emission. There was more significant difference between soil N2O emission amounts with different treatments.
在农业生态系统中，土壤微生物通过降解植物残体为植物提供营养，同时维持植物生产所需的土壤性质。
In agricultural ecosystem, they supply nutrients for crops with degraded plant residues and keep soil characteristics which are necessary to plant growth.
研究了实验室条件和野外条件下泥炭植物残体的分解速率，探讨了植物残体分解过程中主要的影响因素。
The decomopition speeds of plant residue of peat in the laboatory and in field arestudied, and the main factors that effect the decompeition speed are discussed in this paper.
其中含木素较多的植物残体，表现为腐殖化系数较高，含氮多的植物残体，则有利于土壤微团聚体的形成。
The plant residue with more lignin has a higher humification coefficient. As the residue containing more N is more favorable to the formation of soil microaggregate.
轻组有机质主要是由不同分解程度的植物残体和一些微生物结构体组成，它的改变可以用来指示土壤肥力的变化。
Light fraction organic matter is largely composed of plant residues at various stages of decomposition and a lot of microbial debris. Soil fertility varies with its changes as indicators.
这些作物在大田种植过程中以及收获后，其植物残体、根系分泌物和飘落的花粉等不断地进入土壤，可能造成外源基因表达蛋白在土壤中积累。
Transgenic resistant-pest plants can release transgene proteins through their residues, root exudates and pollens, and these proteins are bound rapidly to soil active particles and persisted in soil.
采用盆栽试验和15n示踪技术对黑土添加玉米残体(秸秆和根茬)土壤植物系统中氮素转化进行了研究。
In this paper, a 15n tracer pot experiment was installed to study the effect of incorporating corn stalk and stubble into black soil on the nitrogen transformation in soil-plant ecosystem.
土壤有机质是微生物分解植物和动物残体的产物。
Soil organic matter is the product of microbial decomposition of plant and animal residues.
土壤有机质是微生物分解植物和动物残体的产物。
Soil organic matter is the product of microbial decomposition of plant and animal residues.
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