蔬菜中重金属(铜、锌、铅、镉、铬等)有毒物质的存在,主要来源于土壤污染,污水灌溉,废气流动。作者根据农业环境污染因素。对本市......

African Cassava mosaic disease (ACMD) is the most severe and widespread disease caused by viruses limiting production of......

Sheep production in Iceland is heavily subsidized with a part of the payments tied to land condition and compliance with......

The agro-environmental fragility of 31 provinces and regions (except Hong Kong,Macao and Taiwan) of our country during t......