There are some methods to fertilize cotton at flower bud stage.
After budding, cotton entered the period of vegetative growth and reproductive growth, but still dominated by vegetative growth. During this period, it is necessary to set up a shelf for high cotton yield and fully supply the demand for cotton fertilizer at the bud stage, not only to meet the needs of cotton plants, but also to prevent excessive fertilization, resulting in cotton plant growth. For the cotton fields with low amount of base fertilizer, some mature manure and cake fertilizer can be applied at the bud stage, or a small amount of available nitrogen fertilizer can be mixed and deeply applied to make the fertilizer decompose gradually, play a role in the flower and boll stage, and spray new high-fat film at the right time, which can greatly improve the effective component rate of fertilizer.
For the fertile cotton field with a large amount of fertilizer applied all the year round, if the cotton plant is growing vigorously, the bud stage can not be applied, or it can be postponed to the early flowering stage to achieve "peach application". Timely spraying cotton Zhuangtiling can control the excessive growth of cotton trees, promote the transformation of cotton tree growth function to reproductive function, thicken the nutrition delivery vessel of cotton peach, improve the swelling vitality of cotton peach, improve resistance, protect buds, bolls and peaches, and speed up the cycle of cotton tree budding, cycle boll opening, and improve fiber quality.
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Fertilizer Application in Cotton Flowering and Boll Stage
Name: Cotton flowering and boll stage fertilization pay attention to classification: planting technology/plant physiology principles and cultivation techniques Scope of application: unlimited Details: Cotton flowering and boll stage is the key period for cotton to gradually shift from vegetative growth to reproductive growth, and it is also the period when cotton needs the most fertilizer. For cotton at the peak of flowering, because vegetative growth is still parallel to reproductive growth, partial application of nitrogen fertilizer at this time will lead to vigorous growth and crazy growth of cotton, not only aggravate bud and boll shedding, but also cause premature senescence. Therefore, part of cotton in full bloom should be
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Technology of rational fertilization for Cotton
Popularizing the scientific fertilization technology of cotton is an important measure to improve the yield per unit area and product quality of cotton field. The requirement and fertilizer application technology of ammonia, phosphorus and potassium in cotton the results of field fertilizer experiment showed that for every 100 kg seed cotton, pure nitrogen, phosphorus pentoxide, potassium oxide and nitrogen: phosphorus pentoxide: potassium oxide were 5.0 kg, 1.8 kg, 4.0 kg respectively. Rational application of base fertilizer. Base fertilizer should be based on organic fertilizer, combined with a certain proportion of chemical fertilizer. Generally use pig and cow manure per mu
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