秋花椰菜无公害高效栽培(上)
wf（2011）
Abstract
<正>一、产地环境秋花椰菜无公害生产基地选建标准:土、水、空气质量要符合NY5010-2001标准要求,生态条件良好,远离污染源1000米以上,土层深厚,保水和排水良好,土质为壤土或砂质壤土。二、选用品种应选用早熟、耐热性强、抗病性强、花球洁白、心叶
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