Chrysanthemum is one of the top ten flowers in China, one of the four gentlemen (plum, orchid, bamboo and chrysanthemum), and one of the four cut flowers in the world (chrysanthemum, rose, carnation and calamus).Because chrysanthemum has the character of proud cold snow, the Chinese people have the double ninth festival to appreciate chrysanthemum and drink chrysanthemum wine customs.Today is to understand the knowledge of fertilization chrysanthemum:
The annual growth period of chrysanthemum can be divided into seedling stage, branch pregnancy stage, flowering stage, wither stage and overwintering stage.Plants need different nutrient conditions at different growth stages.In addition, chrysanthemum root system is developed, enter the soil deeper and fine root is much, absorb fertility is strong, it is plant of a kind of flowers that likes fertilizer.
Combined with base fertilizer, 5,000 kg manure per mu of cultivated land was applied, and 400 kg rotten human manure per mu when transplanting chrysanthemum seedlings.fertilizer
(1) urge seedling fertilizer in the case of insufficient base fertilizer, can be transplanted after the survival of 400 kg per mu of human manure.
(2) at the beginning of branching, 1000 kg of rotten manure per mu was mixed with 25 kg of superphosphate and combined with soil tillage.
(3) show bud fertilizer show bud, each mu with 5 kilograms of urea, 10 kilograms of calcium superphosphate mixed application, and 0.5%-1% of potassium dihydrogen phosphate spray application 3 times, 7-10 days once.
(4) in the wintering period as the nursery of seedlings of the coming year, (x) 2000 kg of rancid manure was applied to each mu (x) after the plants were mowed about 1 cm from the ground when the plants were wilted.
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