Flowers and Plants Green Houses

Greenhouse flowers refer to local perennial or in a certain period of time, to be cultivated in the greenhouse ornamental plants. The environmental conditions of the greenhouse may be controlled manually in part or in whole. For example, jasmine in southern China for open flowers and trees, and in North and Northeast China for greenhouse flowers and trees.

Main varieties

Ornamental plants to be cultivated in greenhouses all year round or for a certain period of time. Its species vary from place to place. For example, jasmine in southern China for open flowers and trees, and in North and Northeast China for greenhouse flowers and trees. Winter in order to promote flowering and the use of greenhouse cultivation of African chrysanthemum, carnation, flower candle, spring, and so on, is often classified as greenhouse flowers.

Cultivation management

Cultivation and management characteristics of greenhouse environmental conditions, can be partially or completely manually controlled. Considering the comprehensive influence of different environmental factors, many measures are often taken, such as cooling, shading and ventilation in high temperature areas in summer. The regulation of temperature should follow the principle of gradual change, meet the different requirements of all kinds of flowers, and avoid the night temperature higher than the daytime. The control of light should take into account the intensity and quality of light.

The main items of greenhouse flower cultivation and management are :1 preparation with soil or substrate. Greenhouse cultivation is divided into three ways: ground planting, pot planting and soilless cultivation. According to the different kinds of flowers and regional characteristics, soil for planting and potted plants can be prepared into different culture soil according to certain proportion, such as compost soil, rotten leaf soil, sand, peat, bark fragment, peat moss, fern root, etc. Soilless cultivation is based on vermiculite, perlite, sand and sintered soil. 2 Fertilization. Because the plants planted in greenhouse are dense and the root nutrition area of potted seedlings is limited, sufficient base fertilizer is needed, and organic fertilizer and some chemical fertilizers are used to prepare and apply. Growth season with fully mature organic fertilizer as topdressing; sometimes can be supplemented with foliar spray fertilizer. Some compound fertilizers can be used in potted flowers. During dormancy, fertilization is generally stopped. Releasing appropriate amount of carbon dioxide in large greenhouse can often improve the yield and quality of flowers. Water. according to season, weather, soil and plant growth conditions. Summer is usually watered in the morning or evening, and winter is watered at noon. For plants or cuttings with high humidity requirements, artificial rainfall, automatic control of intermittent water spray, spray and other measures can be taken, and for seeding pots or newly planted small pot seedlings, pot soaking method should be used to supplement water. For epiphytic flowers such as orchids and ornamental ferns planted in wooden frame containers, the whole plant can be soaked in water regularly. 4 Plastic trim. The purpose is to create and maintain a good plant shape, regulate growth and development, promote flowering or fruiting, and increase ornamental value. Plastic surgery mainly includes binding, support, bending, inducement and so on; pruning includes cutting, heart picking, cutting, bud removal, bud removal, leaf removal, fruit thinning, root cutting and so on. The bonsai of stumps in the greenhouse has higher and finer plastic pruning requirements. 

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