Analysis of Soil Physical Properties for Vegetable Soil withDifferent Planting Years in Tianjin City
CAI Yan-ming, WO Fei, FANG Kun, SHI Rong-guang
ACTA AGRICULTURAE BOREALI-SINICA . 2011, (1): 167 -171 .  DOI: 10.7668/hbnxb.2011.01.034