soil productivity

常見(jiàn)例句

The input of NPK as either organic manures or chemical fertilizers not only greatly improved soil productivity but also was of benefit to the soil as a carbon sink.
試驗(yàn)結(jié)果表明：以有機(jī)肥或以化肥形式配合施用NPK不但可以極大提高土壤生產(chǎn)力，而且有益于增加土壤有機(jī)碳儲(chǔ)量。
As the main reason for the worse water quality, agricultural non-point pollution, which also causes soil productivity to degenerate directly, is tightly related with the hydrological process.
農(nóng)業(yè)非點(diǎn)源污染是水系或水體水質(zhì)惡化的最主要原因，同時(shí)也是土地生產(chǎn)力退化的直接動(dòng)因，農(nóng)業(yè)非點(diǎn)源污染又往往與流域水文過(guò)程具有不可分割的關(guān)系。
Mixed plantation can be used to prevent soil productivity from deterioration in the repeated pure plantations. Some problems of the application of mixed plantation are also discussed in this paper.
針對(duì)目前人工純林地力衰退的問(wèn)題，提出了混交林可作為防止地力衰退的途徑，并對(duì)混交林應(yīng)用上的有關(guān)問(wèn)題作了探討。

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