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调查发现,近几年大棚蔬菜生产效益比较低,严重挫伤了菜农的生产积极性。究其原因,主要表现在以下几个方面:1.种植方式①品种选择单一不少地方的菜农选种的蔬菜相同,却不能形成一定的规模,导致价格低,卖菜难。②种植模式单一茬口安排不合理,导致土地浪费,降低了单位面积的产值。2.土、肥、水管理①重施化肥轻施有机肥,造
The survey found that in recent years, greenhouse vegetable production efficiency is relatively low, seriously damaging the vegetable farmers enthusiasm for production. The reason is mainly manifested in the following aspects: 1. Planting methods ① variety selection a single lot of vegetables farmers choose the same place, but can not form a certain scale, resulting in low prices, selling vegetables difficult. (2) The mode of crop arrangement The arrangement of single stubble is unreasonable, resulting in the waste of land and the decrease of output per unit area. 2. Soil, fertilizer, water management ① re-fertilization of light fertilizer organic fertilizer, made