Heavy Metal Accumulation Characteristics and Environmental Critical Values in Flowering Cabbage〔Brassica campestris L. ssp. chinensis(L.)var. utilis Tsen et Lee〕Production Area for Food Security
Effects of Chinese Cabbage Nitrogen Application Rate on Chinese Cabbage Yields,Nitrogen Utilization,Nitrate Accumulation(Soil & Cabbage)of Potato — Chinese Cabbage Double Cropping System
Agronomic Traits Investigation and POD Isozyme Analysis of Cytoplasmic Male Sterility in Hongcaitai〔Brassica campestris L.ssp.chinensis(L.)Makino var.utilis Tsen et Lee〕