陕西设施栽培蔬菜低效原因及对策
NORTHWEST HORTICULTURE(2003)
Abstract
近年陕西省设施蔬菜栽培面积增加迅猛,保护地面积超过 6.7万 hm2,日光温室面积达 2万 hm2,分别比"九五"初期增加了 1.5倍和 6倍.但随之而来的问题是效益逐年下降,竞争愈来愈烈,部分地方已出现卖难问题.
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