The key measures for autumnal apricots

Apricot trees are the first flowering fruit trees in spring, and they are the first flower and the latter. The nutrients needed for flower organ formation depend on the accumulation of tree bodies in the first year of autumn. Therefore, the autumn tube plays a decisive role in the flower structure and fruit setting of Hunchun. The role. The apricot autumn tube should grasp the following three key tasks: First, thinning and short cuts. Apricot trees are strong and happy tree species, and their own growth is very strong, it is easy to form a competitive growth and the resulting parts move out. This is very unfavorable for the formation of strong flowers and the results, so it should be in the autumn tube after fruit harvest, the result tree is sparse Lord, adopting a pruning method based on sucking large branches and depressing tree heights to implement short cuts, promotes new branches on the lower part and inner part, and forms short fruit branches and bouquet-like fruit branches. At the same time, attention should be paid to the main branches that are kept to ensure that the light path is evenly distributed and the individual branches that can be left standing upright are pulled, fallen, and supported, and the direction of the branches is changed, and the space is used for multiple results; The dense branches can be removed together. Second, fertilization and irrigation. In the autumn, 50 to 100 kilograms of available nitrogen fertilizer or 30 to 50 kilograms of urea can be applied to 667 square meters of apricot orchard, and a suitable amount of phosphorus and potassium fertilizer can be applied. 5 kilograms, after the application of rain is good, if the drought is serious after drought, can strive to water in August-September. But pay attention to the roots under the tree can not be long bubble, bubble for a long time easy to hurt the root. Third, pest control and protection of leaves. The leaves are the factories that produce nutrients for fruit trees. The complete and thick leaves are the guarantee of the results of the apricot trees. Generally, they do not attract people's attention. When the hot weather is added to autumn drought, it is easy to provoke red spiders to harm the spread, or there is continuous autumn leaching in late autumn, and it is easy to cause fallen leaves. Disease, it is difficult to guarantee flower bud differentiation, so regular observation in the fall is very necessary, can be used wolfberry Ling or carbendazim, chlorpromazine and other pesticide mixed spraying insect control disease, protect the leaves. In addition, adding 3% urea is more beneficial to the tree.

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