planting years 第1页

Concentration and speciation of arsenic in greenhouse vegetable soil in Shouguang County of Shandong Province. Phosphorus contents in the rhizosphere and bulk soil under Amorpha fruticosa established in different years Effects of planting years of vegetable solar greenhouse on soil microbial flora and enzyme activities. Characteristics and evolution of soil nutrients in apple orchards at the gully region of Loess Plateau Soil pH buffer capacity of tea garden with different planting years.