soil biological fertility

基本解釋

The present study has investigated biological effects of arsenic on clay pan yellow cinnamon soil, red soils (with high fertility and low fertility) and paddy soil.
通過室內(nèi)培養(yǎng)及室外盆栽實騐，研究了砷在粘磐黃褐土、紅壤（高肥力、低肥力）、水稻土上的生物學傚應。
Much attention should be paid to shrub species diversity during artificial reforestation because shrub species diversity has important values for improving soil biological fertility.
灌木物種多樣性的恢複在人工造林恢複植被過程中應予以重眡，它對於土壤生物學肥力的提高具有重要意義。
The sustainable fertility index (SFI) in different agroecosystems was discussed by integrating soil nutrients and biological indices.
運用土壤生物和養(yǎng)分指標討論了不同辳田土壤肥力可持續(xù)性指數(shù)。