cultivation years 第1页

Dual effect of fruit tree cultivation on soil physical characteristics Residue characteristics of HCHs and DDTs in greenhouse soils in Dianchi Lake Distract Effects of vegetable cultivation years on microbial biodiversity and abundance of nitrogen cycling in greenhouse soils. Correlation between distribution of rhizospheric microorganisms and contents of steroidal saponins of Paris polyphylla var. yunnanensis Desorption characteristics of phosphorus in tea tree rhizosphere soil.