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一、范围 本标准规定了塑料大棚早春西瓜的产量标准、设施条件、栽培技术和病虫害防治。本标准适用于河北省南部地区的大棚以及其它保护地形式的西瓜无公害生产。
First, the scope This standard specifies the plastic greenhouse early spring watermelon production standards, facilities, cultivation techniques and pest control. This standard applies to the greenhouse in the southern part of Hebei Province and other protected forms of watermelon pollution-free production.