- 2023-01-06
Cactus cultivation information
Growing environment
Cactus like sunshine, warm, drought tolerance, fear of cold, fear of waterlogging, fear of acid soil, suitable for neutral, slightly alkaline soil growth, pH value in 7.0-7.5. For this reason, the home cultivated cactus should be placed on the windowsill with sunshine, and choose to turn the ice good alkali sandy soil you Bawo is appropriate.
Cultivation technique
1. Cultivation soil selection: Cactus prefers slightly alkaline fertile sandy soil with good drainage. The cultivation soil of home cultivated cactus can be prepared by mixing 2 parts compost, 4 parts garden soil and 4 parts river sand.
2. Pot selection: pot selection is small, not large, generally as long as the plant body is slightly larger than the two pelvic bottom can be put small tiles, for drainage. Don't bury too deep when planting, as long as you can stand steady.
3. Ventilation shading: cactus in the sun can promote the growth of plants, so should see more sunlight, but in summer to shade, to prevent direct sunlight burning damage. For the cactus placed in an unventilated place for a long time, it is easy to be harmed by red spider in the dry and hot season, showing a yellowish brown like aging, which affects its growth and ornamental value. In order to avoid the above phenomenon, it should be put in a well-ventilated place. In addition, cactus is prone to frostbite when the temperature is below 5℃, so it is necessary to prevent frostbite in winter.
4. Watering, fertilization: cactus drought tolerance, watering should be less should not be more, avoid water in the basin, keep half wet can, June to August is cactus growth vigorous season, to promote growth fast, generally pouring water once a day. To keep the soil moist, pay attention to drainage during the rainy season, do not water during the dormant period. On the stem body with fuzz or white powder and grafting parts, do not water the stem. Fertilization in the growing season, but fertilizer should be used completely decomposed organic manure or slag fertilizer.
5. Change the pot: cactus flowers have developed roots, which are growing and aging, and also excrete organic acids that acidify the soil, so it is necessary to change the pot and cultivate new soil 1-2 times a year. Change pot time should be in dormancy period, can be in early spring between March or autumn between October. When changing the pot, the old roots of the plant should be cut off, and the long roots should be cut short to promote the development of new roots.