Chrysanthemum is China's top ten flowers, flowers of the four gentlemen (plum, orchid, bamboo and chrysanthemum) one of the world's four major cut flowers (chrysanthemum, rose, carnation, calamus), one of the highest yield.Because chrysanthemums are cold and proud of their snow character, the Chinese people have the double ninth festival to appreciate chrysanthemum and drink chrysanthemum wine customs.Today is to understand the knowledge of chrysanthemum fertilization:
The annual growth period of chrysanthemum can be divided into seedling stage, branch pregnancy stage, flowering stage, wither stage and overwintering stage.Different growth stages require different nutrient conditions.In addition, chrysanthemum root system is developed, deeper and more fine roots into the soil, strong suction fertility, is a hi fertilizer flowers.
Base fertilizer combined arable land per mu barnyard manure 5000 kg, transplanting chrysanthemum seedlings per mu and then apply 400 kg of mature human manure.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 decomposed 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) as the nursery of chrysanthemum seedlings of the next year during the wintering period, each mu was treated with 2,000 kg of rancid manure after being mowed about 1 cm from the ground when the flowers and branches withered.
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