The softer, friable part of land; soil, especially productive soil.
泥软且易碎的陆地部分；泥土，尤指肥沃的泥土。
Two grades of yearly input of organic fertilizer has been suggested for the organic matter balance of medium or low productive soil respectively.
提出了中、低产田在各保持两个量级有机质平衡对，每年应投入各有机物料的数量。
Soil organic carbon is a key indicator of how well soil will hold moisture, provide nutrients, and remain productive.
土壤中的有机碳是土壤是否能够保持湿度，提供营养和维持生产能力的重要指标。
But this status is at risk because water, the vital ingredient to make the soil productive, is increasingly scarce.
但这一地位现在因为水这种令土地肥沃的重要因素越来越匮乏而处境危险。
In the region soil resources are destroyed frequently due to fierce wind erosion and desertification, affecting productive potential development.
由于严重的水土流失，风蚀沙化强烈，土壤资源不断遭到破坏，生产潜力得不到发挥。
Rich, aerated soil is productive, retains water, and, highly significant in environmental terms, is a carbon sink.
肥沃、透气的土壤富饶多产，并能有效锁住水分。 然而相益于环境最多的是碳汇（Carbon Sink）。
This test under artificial control is used to determine the productive capacity of water stored by "soil reservoir" and the field water consumption and its consumption coefficient of winter wheat.
试验在人工控制条件下，测定了“土壤水库”贮水的生产能力，冬小麦的田间耗水量与耗水系数。
Soil amelioration and ample supply of nutrients in the form of fertilizers is needed to convert poor soils into productive agricultural land.
土壤改良和增施肥料可使这些土壤逐步转变成具有农业生产力的土壤。
The reasons of forming salinized soil in automatic green-house are expounded. The soil in automatic greenhouse is most easily salinized for its own complex productive conditions and circumstances.
阐述了自控温室内土壤盐渍化的原因，指出自控温室内的土壤极易发生盐渍化，这与其自身生产环境和复杂生产条件有关。
Landscape pattern is the synthesis of landforms, soil water resource, vegetation and its productive force pattern.
景观格局是地貌格局、土壤格局、水资源格局、植物分布格局及生产力格局等的综合。
Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well.
建立、验证了土壤水分入渗参数的多元逐步回归模型。
Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well.
建立、验证了土壤水分入渗参数的多元逐步回归模型。
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