The autumn climate gradually turned cold, and the flowers and trees entered the second growing season of the year. Strengthening the management of fertilization at this stage will have a greater effect on its growth, flowering and safe wintering.
Topdressing should be handled according to the principle of “thin fertilization, seeing growth, and determining dosageâ€. Human excrement should be diluted 20 times - 30 times, soy cake water, urine water, fish intestine water should be diluted 10 times - 20 times. Apply fertilizer every 15 days to 20 days. Flowers that bloom before and after the fall should be applied before, after, and after the flowering, and there is no need to topdress when the buds bloom, so as not to fall.
Topdressing fertilizers mainly include urea, superphosphate, potassium dihydrogen phosphate, ammonium bicarbonate and other chemical fertilizers and decomposed human excrement, cake fertilizer, rapeseed cake and other farmyard manure. Topdressing is mainly based on chemical fertilizers, supplemented by farmyard manure. Unfertilized human excrement and cake fertilizer can not be used as top dressing for flowers and trees. Otherwise, flowers and trees are not only difficult to absorb, but also cause root burning. The specific fertilizer used in fertilization should be treated differently according to the different habits of flowers. Acidic rhododendron, camellia, gardenia and other flowers should avoid alkaline fertilizers, and acid fertilizers such as potassium nitrate, superphosphate and ammonium sulfate should be applied. In the vegetative growth period, more nitrogen and potassium fertilizers should be applied, and more phosphorus fertilizer should be applied during the flower bud formation period. Chrysanthemum, a string of red, camellia, sweet-scented osmanthus, rhododendron, etc., which bloom once a year, should be applied in time for 2 times - 3 times with phosphate fertilizer-based liquid fertilizer, otherwise there will be fewer flowers and smaller ones, and there will be falling buds. phenomenon. For the flowers that bloom many times a year, jasmine, four seasons begonias, Milan and other flowers, they should be fully supplied with complete fertilizer to make their flowers gorgeous and unbeaten. For the foliage of the Lo Hansong, bamboo cypress, cycads and other flowers and trees, the nitrogen fertilizer can be applied to promote the green leaves. For flowers that are mainly fruit-seeking, the fertilizer should be properly controlled during the flowering period, and sufficient fertilizer should be applied to the fruit during the fruiting period to achieve the desired effect. For the bulb flower, the ratio of potassium fertilizer, nitrogen, phosphorus and potassium should be more than 1:1:2, which is beneficial to the bulb. For fragrant flowers, after entering the flowering period, it is necessary to apply more phosphorus and potassium fertilizer to promote the aroma of flowers.
In addition to root dressing, leaf fertilization is also used to supplement fertility. It has the advantages of low dosage, fast absorption and remarkable fertilizer efficiency. The application of foliar fertilizer is suitable for morning and evening, and it is necessary to spray the leaves on both sides. The fertilizer for foliar fertilization must be a chemical fertilizer that is soluble in water, and the concentration is low. The application concentration of each fertilizer is: urea 0.2%-0.3%, superphosphate 1%-3%, potassium dihydrogen phosphate 0.1%- 0.3%, ammonium sulfate 0.2%-0.3%, boric acid 0.1%-0.2%, ferrous sulfate 0.2%-0.5%. After spraying 1% superphosphate solution on chrysanthemum, camellia, sweet-scented osmanthus, and a bunch of red flowers, the flowers are bright and lush, and open in advance. For the flowers and trees of the cycads and other foliage, spraying 0.3% of the urea liquid fertilizer can make the leaves dark green and grow vigorously.
Topdressing should be handled according to the principle of “thin fertilization, seeing growth, and determining dosageâ€. Human excrement should be diluted 20 times - 30 times, soy cake water, urine water, fish intestine water should be diluted 10 times - 20 times. Apply fertilizer every 15 days to 20 days. Flowers that bloom before and after the fall should be applied before, after, and after the flowering, and there is no need to topdress when the buds bloom, so as not to fall.
Topdressing fertilizers mainly include urea, superphosphate, potassium dihydrogen phosphate, ammonium bicarbonate and other chemical fertilizers and decomposed human excrement, cake fertilizer, rapeseed cake and other farmyard manure. Topdressing is mainly based on chemical fertilizers, supplemented by farmyard manure. Unfertilized human excrement and cake fertilizer can not be used as top dressing for flowers and trees. Otherwise, flowers and trees are not only difficult to absorb, but also cause root burning. The specific fertilizer used in fertilization should be treated differently according to the different habits of flowers. Acidic rhododendron, camellia, gardenia and other flowers should avoid alkaline fertilizers, and acid fertilizers such as potassium nitrate, superphosphate and ammonium sulfate should be applied. In the vegetative growth period, more nitrogen and potassium fertilizers should be applied, and more phosphorus fertilizer should be applied during the flower bud formation period. Chrysanthemum, a string of red, camellia, sweet-scented osmanthus, rhododendron, etc., which bloom once a year, should be applied in time for 2 times - 3 times with phosphate fertilizer-based liquid fertilizer, otherwise there will be fewer flowers and smaller ones, and there will be falling buds. phenomenon. For the flowers that bloom many times a year, jasmine, four seasons begonias, Milan and other flowers, they should be fully supplied with complete fertilizer to make their flowers gorgeous and unbeaten. For the foliage of the Lo Hansong, bamboo cypress, cycads and other flowers and trees, the nitrogen fertilizer can be applied to promote the green leaves. For flowers that are mainly fruit-seeking, the fertilizer should be properly controlled during the flowering period, and sufficient fertilizer should be applied to the fruit during the fruiting period to achieve the desired effect. For the bulb flower, the ratio of potassium fertilizer, nitrogen, phosphorus and potassium should be more than 1:1:2, which is beneficial to the bulb. For fragrant flowers, after entering the flowering period, it is necessary to apply more phosphorus and potassium fertilizer to promote the aroma of flowers.
In addition to root dressing, leaf fertilization is also used to supplement fertility. It has the advantages of low dosage, fast absorption and remarkable fertilizer efficiency. The application of foliar fertilizer is suitable for morning and evening, and it is necessary to spray the leaves on both sides. The fertilizer for foliar fertilization must be a chemical fertilizer that is soluble in water, and the concentration is low. The application concentration of each fertilizer is: urea 0.2%-0.3%, superphosphate 1%-3%, potassium dihydrogen phosphate 0.1%- 0.3%, ammonium sulfate 0.2%-0.3%, boric acid 0.1%-0.2%, ferrous sulfate 0.2%-0.5%. After spraying 1% superphosphate solution on chrysanthemum, camellia, sweet-scented osmanthus, and a bunch of red flowers, the flowers are bright and lush, and open in advance. For the flowers and trees of the cycads and other foliage, spraying 0.3% of the urea liquid fertilizer can make the leaves dark green and grow vigorously.
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