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从总体上讲,大棚蔬菜生产有以下几个发展趋势: 1.不同的大棚形式合理搭配,克服蔬菜供应淡季,实现周年均衡供应。如冬暖棚、春用型一面坡大棚、拱圆形大棚、中棚等的保温效果、生产季节和产品的供应期不同,各种形式合理搭配,可进行春早熟栽培、春季栽培、秋延迟栽培和冬季栽培。因此,发展大棚时,要注意确定当地大棚的主要形式,并实行各种形式合理搭配。 2.在蔬菜作物的安排上,要确定重点发展的
In general, the greenhouse vegetable production has the following trends: 1. Different forms of greenhouses with a reasonable, to overcome the off-season supply of vegetables, to achieve balanced supply of the anniversary. Such as winter warm shed, spring with one side slope shed, arched shed, shed and other insulation effect, the production season and the supply of different products, various forms of a reasonable mix of spring precocious cultivation, spring cultivation, autumn delay Cultivation and winter cultivation. Therefore, the development of greenhouses, we should pay attention to identify the main form of local greenhouses, and the implementation of various forms of reasonable collocation. 2. In the arrangements for vegetable crops, to determine the focus of development