In order to plant good edible cactus, according to its biological characteristics such as “heat-resistant, frozen, resistant to dry, and resistant to fertilizerâ€, it is important to grasp the following four main points: First, the soil is loose, and the pH value is moderate. It is highly adaptable and native to the desert and Gobi Desert. However, in order to achieve high yields and high efficiency, it should also pay attention to satisfying its suitable soil. For the cultivation of edible cactus, it is better to use sandy soil with neutral or slightly acidic PH, loose air, strong water retention and fertility, good drainage conditions, and tight aggregate structure. The edible cactus grows in this type of soil, has a well-developed root, strong absorptive power, and the stem pieces grow robustly and prosperously. If the soil is too thick and compact, the roots of the edible cactus do not grow well and the ability to absorb water and fertilizer is weak, and the growth of the roots is poor. In case of excessive rainfall or excessive watering, it is also easy to cause decay of cactus seeds. In addition, the acidity and partial alkali soil are not conducive to the growth of cactus. Second, control the watering, to prevent waterlogging food cactus in the seedling stage of the water requirement is small, the vegetative growth of a large demand for water, flower water demand less, the water requirement during the aging period, dormancy period, the minimum water requirement. Irrigation can fully ensure the water demand of Mexican edible cactus, accelerate its growth and development, and increase the yield and quality. However, watering, over-wet soil, compaction, and poor ventilation often lead to severe oxygen deficiency in the roots of cactus and death due to respiratory suffocation. For cacti have a certain amount of water, but can not be impregnated with water characteristics, in the artificial cultivation of edible immortals, on the basis of the choice of ventilation of vegetables and vegetables, we must pay attention to good irrigation and drainage work, so that timely water supply, timely drainage, with Meet its normal growth needs. Family pots must control the number of watering, do not do not poured, pouring is poured, field cultivation should be opened to easily stained water depression, rainy season should be a drainage ditch, as far as possible rain to stay dry, ditch no clear water, always leave the loose movement Breathable environment. Third, the scientific fertilization, Mosch "raw fertilizer" Mexican edible palm branch large, lush growth and a large amount of high yield, vitality, tenacious very resistant to thin. However, under artificial cultivation conditions, the pursuit of high yields determines its dependence on fertilizers, especially with young shoots that are most sensitive. When the supply of fertilizers is insufficient, the sprouting period becomes longer, the stems become smaller, and the color becomes yellow. Delicate, dull, affecting yield and quality. There are two methods of fertilizing the edible cactus: base fertilizer and top dressing, and the base fertilizer is applied to the soil during site preparation. Basal fertilizer should be based on farmyard fertilizers, with appropriate amount of multi-element compound fertilizer. The farmyard fertilizer is mainly farmhouse cow dung or pig manure to dry until half a day later, stir 1 package - 1.5 packages of calcium superphosphate per cubic meter ferment. Fermented organic fertilizer is best mixed with 0.3 cubic meters to 0.5 cubic meters of ash per cubic meter to supplement the needs of the seedlings for potassium and mineral elements. At the same time, it also plays a role in improving the soil and repelling insects. Topdressing is carried out in several stages: when the seed germination grows to about 6 cm, it is applied. Another time is post-harvest fertilizer. After harvesting, fertilizer is applied to promote the cactus to continue sprouting. However, it should be noted that: To meet the needs of cactus growth on nitrogen, phosphorus, potassium, and other nutrients, we should see the seedlings fertilization, scientific fertilization, do not use any fertilizer during dormancy. Fertilizer should not be excessive, should not hurt cactus roots, can not use non-perishable farmyard manure, or the concentration of carbon dioxide and other harmful gases in the soil is too high, will seriously inhibit the growth of cactus roots, and even lead to the death of rot roots, especially in confined greenhouse greenhouse More attention should be paid to cultivation. In addition, the partial application of nitrogen fertilizer or excessive nitrogen fertilizer can easily lead to long cactus stems, not to mention the decline in ancient manpower before, and it is extremely unfavorable to grow good cacti. Therefore, sufficient fertilizer and water are the guarantee for growing Mexican edible cacti to enhance drought resistance and high yield. Fourth, the installation of plants, cold insulation Insufficiency of edible cacti in tropical, subtropical dry desert areas, not heat-resistant, during the growth of high temperature requirements, can not stand temperatures below 0 degrees Celsius, or stop growing or death. The growth and development of the edible cactus is carried out within the frost-free period of one year. It can be cultivated in the frost-free areas all year round. In other areas, it is necessary to prevent frost, and it should be wintered under protected conditions. Edible food growth temperature of 20 degrees Celsius -35 degrees Celsius, the summer temperature below 40 degrees Celsius will sleep, is not conducive to its growth. In the cultivation of edible cacti, in order to make it grow rapidly, the temperature difference between day and night should be large, and the daytime temperature should be within the optimum range of photosynthesis to obtain the difference of Luoda, so that more organic matter is accumulated and grows rapidly. The temperature difference between day and night requires more than 10 degrees Celsius. However, the temperature difference between day and night is required to be above 10 degrees Celsius. However, there is a certain range of temperature difference between day and night. It is not that the larger the temperature difference is, the better it is. Otherwise, it is not good for growth. Therefore, the kind of good-food cactus in the north of the winter to adopt greenhouses, greenhouses to increase the temperature, in order to ensure its normal growth in the winter; southern summer should be taken Fuyang, ventilation and other cooling measures to prevent the temperature above 40 degrees Celsius when the cactus do not sleep. Excerpted from "China Specialties" China Agriculture Network Editor
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