Spring management is an important part of kiwifruit management. Wang Xirui, a senior agronomist of Shaanxi Rural Science and Technology Development Center, put forward a series of specific practices based on years of good results and experimental demonstrations:

As the temperature rises, kiwifruit will usher in the key period of spring shoot growth and flowering and fruit setting. At this time, the core of sapling management is to promote the shoots and expand the canopy; in addition to grasping the management of spring shoots, the fruit trees should also take care of the flowers. The work of Zhuang Lei lays a good foundation for the preservation of flowers and fruits. Specific steps are as follows:

Fertilization. Spring is the season with the slightest amount. The quality and quantity of the branches directly affect the output of the year. Therefore, the fertilizer must be applied. The saplings apply about 0.1 to 0.3 kg of urea per plant, and the mature trees should apply 2/3 of the annual fertilization amount, about 0.8 to 1.5 kg, and be applied in three rainy days. First, the application of good spring fertilizer, especially to the winter base fertilizer does not use enough, spring fertilizer must use the foot, the amount is generally 2 to 2.5 kg of compound fertilizer per plant.

Make up. Due to the influence of rain and snow in the winter last year, some farmers rushed to pruning, and there were too many branches and pruning of pests and diseases. Therefore, we must pay close attention to completing this management link before the injury, and promptly clear the branches out of the orchard. Now the pruning of the low-altitude area has been delayed, and there will be a wound when pruning. At this time, the wound is to be used to seal the wound to prevent the wound, and the tree body of the general tree is disinfected with the tree guard. It can disperse the condensate in the fruit tree, smooth the benign guidance of nutrients, heal the catheter laceration, and prevent the kiwifruit injury. Kiwifruit pruning is not in place at high altitudes, and the amount of mother branches should be kept reasonable when pruning.

Pest Control. Timely scrape off the eggs and lesions on the trunk and branches, and the wounds should be treated with a callus and anti-corrosion film in time to protect the wound healing tissue growth, anti-corrosion pathogen infection, soil and rain pollution, and dry wound prevention. To reduce the occurrence of pests and diseases in the future.

Shaping the branches. Tied branches are an important task in the management of spring kiwi trees. The tie-up requires a clear distinction between the primary and the secondary. First, choose the branches with good growth as the main branch. Secondly, the vine branches should be evenly distributed, which is conducive to the growth of the branches.

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