Water and fertilizer management of dragon fruit and matters needing attention
Pitaya is drought-tolerant, watering once every 2~3 days at the beginning of planting, and keeping the soil moist afterwards. Pitaya root system distribution is shallow, fertilization should be a small number of times to prevent burning roots, rotten roots. After the seedlings germinate, thin human feces can be applied to the planting holes about 10 cm away from the seedlings, about 1 kg per plant, and then human feces added with 0.3% urea and 0.1% potassium chloride can be applied once every time the seedlings germinate until the pitaya blossoms. Fertilization 6~8 times in the first year, mainly nitrogen fertilizer, combined with potassium, calcium, magnesium phosphate fertilizer, etc. Cover with decomposed organic fertilizer or mushroom residue once in winter, about 10kg per plant, enhance the cold resistance of plants. After flowering, fertilizer is applied 3 times a year, i.e. pre-flowering fertilizer in April, strong fruit fertilizer in August and overwintering fertilizer in December, mainly decomposed organic fertilizer and ternary compound fertilizer.
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Key techniques of cultivation and management of dragon fruit in greenhouse
Dragon fruit is also known as red dragon fruit, green dragon fruit, Xianmi fruit and so on. At present, the main cultivated varieties are white dragon fruit, red dragon fruit, yellow dragon fruit. Pitaya is rich in nutrients, mainly containing vitamins, cellulose, glucose, carotene, fat, amino acids and minerals such as phosphorus and iron needed by the human body.
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Four points for attention in planting big cherry
After trial planting, big cherries like to be warm, not cold-tolerant, not tolerant to drought, not tolerant to waterlogging and afraid of strong wind, so they are suitable for cultivation in areas with an annual average temperature of 10 ℃ ~ 15 ℃. Practice has proved that when the annual average temperature is higher than 15 ℃, big cherries tend to blossom more and set less fruit. Introduction and development of big cherry, not only depends on the local annual average temperature,.
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