Discussion on Natural cultivation and Seedling of Orchid

1. Light and temperature difference

Generally speaking, in the case of no more than 30 degrees Celsius, direct sunlight without shade and ventilation (ventilation can prevent stuffy grass and increase the content of carbon dioxide for photosynthesis), as far as possible without glass, with the ultimate goal of increasing the efficiency of photosynthesis. More than 30 degrees Celsius, shading to control the temperature, through reflection and other methods to maintain indoor brightness as much as possible, the purpose is also to increase photosynthesis. Ventilation at night, increase oxygen content, to help respiration, strive to increase the temperature difference, reduce respiratory energy consumption, to help the storage of organic matter, so that bluegrass sturdy, it is obvious that the pseudobulb is enlarged and the grass is thick. In the growth period, in the case of not lower than the growth temperature (generally 15, 6 degrees Celsius), the greater the temperature difference, the better; if the dormant period, it is best not less than 0 degrees Celsius. But as long as shelter from the wind, basin soil is dry,-5 degrees generally will not frostbite.

Traditional cultivation advocates shade cultivation of orchids. In fact, under the condition of ensuring humidity and controlling temperature, orchids can withstand high light intensity. Looking for orchid growing points in different environments, it will take a month to accumulate plant energy and organic matter storage that takes one and a half months or even two months or more for others to achieve. The results will be unexpected.

Yang recommended that it is too short, in fact, it is good for flowers to come out of the shelves, but careless management, easy to focus, large bushes of grass is more suitable for Yang species.

II. Rational fertilization

Fertilization is necessary to make orchid strong and beneficial, but it is necessary to supplement photosynthesis and consume a lot of water and nutrients. Potted orchids are often watered and nutrients are lost greatly. Orchid friends in some areas of Zhejiang use alpine humus soil, which has sufficient fertility and relatively sound elements, so they can apply less fertilizer, but some orchid friends use granular plant materials such as immortal soil and gold stone purchased by the market, which are relatively lack of fertilizer, and fertilization should be increased appropriately. According to different plant materials, it is very important to apply different fertilizers at different stages. The application of bone powder or potassium dihydrogen phosphate has a direct effect on promoting and strengthening buds. Many books and experience introductions can be used for reference, but not too much. During the growing period, nitrogen fertilizer should be applied partially, and if you do not want it to blossom, nitrogen fertilizer should also be applied at maturity. The reason is very simple: orchids are long-leaved plants. According to local conditions, root fertilizer and foliar fertilizer should be carried out alternately according to different plant formula.

Fertilizer attention points: 1, slowly explore the allocation ratio. Different fertilizers, different cultivation environments and conditions, different varieties, the demand for fertilizer is different. Would rather be light, not hasty, do not blindly imitate copy, will be counterproductive; 2, soil fertilizer (organic fertilizer) is better than chemical fertilizer. This is the nature of plants, biological characteristics of the demand and proximity, is more conducive to the absorption of soil fertilizer, therefore, the application of chemical fertilizer mixed with retting soil fertilizer, the effect is better; 3, recommend soil fertilizer: vegetable cake, beans, urine fertilizer. 4. The use of foliar fertilizer is beneficial to the increase of leaf extension and the rejuvenation of weak grass, but it will lead to the acceleration of old grass falling.

Third, buckle water to promote bud

The so-called buckle water is to dry the basin soil in the early stage of orchid germination, for 3-5 days, generally 1-2 times. Buckling water makes orchids in a survival crisis, forcing them to grow and reproduce, so it has an obvious effect on multiple seedlings. During the period of withholding water, it can be combined with the application of phosphorus and potassium fertilizer. Function forumhottag_callback (data) {tags = data;} parsetag ()