Study On Green House Vegetable Species Structure And Different Productivity Model In Jianchang Liaoning

Solar greenhouse vegetable cropping arrangement is not changeless and there’s no fixed pattern.With the improvement of people’s living standard, the change in eating habits, consumers haveincreasing demand for the quality and quantity of the vegetables. Greenhouse vegetable planting speciesand arrangement of crops for rotation is also in constant change. Generally, greenhouse croppingarrangement should first consider raising for the purpose of vegetable yield, according to therequirements of the surrounding environment and the growth law, combining with greenhouse lightthermal insulation performance to arrange the most suitable varieties of vegetables, such as winterproduction of leeks and garlic bolt, not only have good economic benefits, and the yield and quality arerelatively good. Early spring planting tomato, pepper and cucumber vegetables are relatively moresuitable for this kind of vegetable growth and development and the yield is relatively high。 Secondly,thinking about the social and economic benefit, the vegetable harvest peak should be arranged at theperiod when the vegetable prices are higher, or produce the high-grade specials to makethe special sale;once again, considering the soil fertility restoration, to make the reasonable arrangement of crop rotation,and reduce the continuous cropping obstacle and the occurrence of pests and diseases.The investigation and study show that: the greenhouse operator in the sample area are relativelyaged and low-educated; in this area, the production of vegetable planting crops are various but thefarmers’ greenhouse construction is not reasonable, also the equipment and technical level are backwardcompared with the developed area; planting specie structure is simple, few plant growers planthigh-grade special vegetables, also not up to special sale; the same species under different cultivationconditions, the production benefits differ greatly; in this area, pollution-free vegetables, plant nurseryand greenhouse development is still in the initial stage, so there are a larger room for development.Through comparison of multi cropping patterns, we obtains that the higher economic benefit modefrom the different cultivation modes is: the annual mushrooms cultivation> autumn and wintercucumber-early spring tomato>autumn and winter cucumber-early spring eggplant>autumn andwinter cucumber–early spring kidney bean>autumn and winter chives–winter and springcucumber>Spring Tomato-winter spring onion>cold shed seed rotation cropping pattern.Finally conclusion: within the multiple cropping patterns, the mushrooms production profitsthemost at the high risk and investment, as well as higher requirements for the farmers’ technical level. Theother planting patterns efficiency gap is not that obvious. The grower’s abilities to the cost control andplanting to some extent influence net income. To reduce production costs and improve the level ofplanting, requires the relevant government departments to increase the introduction of new varieties andtechnology strength, expand publicity.