How to apply fertilizer to protect the benefit of kiwifruit
Kiwifruit grows fast, bears early fruit and consumes a lot of nutrients, so reasonable fertilization is needed to meet the requirements every year. (1) Base fertilizer: generally applied after harvest and before defoliation. Mainly organic fertilizer, properly combined with phosphorus, potash fertilizer and available nitrogen fertilizer or human feces and urine, etc. At the same time, combined with spraying new high fat film to improve the utilization rate of effective components of fertilizer. (2) sprouting fertilizer: from the end of February to the middle of March before germination. Sprouting fertilizer is mainly available nitrogen fertilizer to promote shoot growth and improve fruit rate. In addition, Huawang No. 3 was used in the period of flower bud differentiation to promote flower bud differentiation, improve flowering and fruit setting rate, inhibit shoot growth, and completely balance the size of the year. (3) strong fruit fertilizer: also known as summer fertilizer, applying nitrogen fertilizer and potassium fertilizer, combined with extra-root topdressing, spraying Zhuangguotiling once before flowering, young fruit stage and fruit expansion stage to thicken the fruit pedicel and increase the amount of nutrition transport. Prevent falling flowers, falling fruit, cracking fruit, stiff fruit and abnormal fruit, making the fruit beautiful in color, beautiful in shape and good in taste. This fertilizer is the most important fertilizer of the year.
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Technical experience in cultivation and Management of kiwifruit-- planting techniques
Kiwifruit bagging is a technology popularized in recent years, and there are many problems due to lack of experience. The author received a question from the members of the association. In order to solve this problem, we investigated the current situation of bagging kiwifruit in Zhouzhi and Meixian and found some urgent problems to be solved. First, why there is a fruit drop investigation after bagging.
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Cultivation and management techniques of kiwifruit after autumn
It is very important to apply base fertilizer in combination with ploughing and weeding after fruit harvest in autumn. the amount of fertilizer application accounts for 60%-70% of the annual fertilizer application. Early application of base fertilizer can restore the tree potential as soon as possible, which is beneficial to the tree overwintering and ensure the fruit of the coming year. Base fertilizer is commonly used as rotten farm manure. Generally, 1500-2000 kg of farm manure is applied per mu, and 3000-500 kg per mu of adult orchard.
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