-
Proper Methods for Fertilizing and Bending Branches of Apple Trees
How do you fertilize and bend the branches of apple trees? Please explain in detail. 1. Fertilizing apple trees. (1) From the outer edge of the canopy outward, dig a ring-shaped trench 30 cm wide and 40 cm deep (for young trees) in the ground for fertilizing; for large trees, dig a ring-shaped trench 50 cm wide and 60 cm deep. (2) Mature orchards can use the method of digging trenches along the rows...
-
How to prune apple trees in summer? A full analysis of methods and techniques
How to prune apple trees in summer? Please give guidance. Summer pruning of apple fruit trees is also called growth-period pruning. Pruning during the growth period cuts off branches with leaves, which has a relatively large impact on fruit tree growth, so it should be kept as light as possible. In addition, summer pruning is auxiliary work to winter pruning. It promptly keeps the superior and removes the inferior among newly sprouted shoots, regulates the growth and development of the retained new shoots, and corrects their growth posture and direction. In this way, winter pruning can avoid heavy cutting and chopping, which would cause more damage to the tree body. The specific pruning techniques include the following:
-
Detailed Explanation of Pear Tree Planting Methods and Technical Points
How to plant pear trees? A detailed introduction. Pear trees have strong adaptability to the natural environment and relatively strong waterlogging tolerance and stress resistance, and can be planted on both mountainous and flat land. Pollinator trees need to be planted alongside them. For example, pair Huanghua with Xinshiji or Hangqing. 1. The planting time for pear trees is generally from late November to January of the following year, and at the latest should not exceed early spring...
-
Common Pests and Diseases in Pear Tree Cultivation and Their Control Methods
What pests and diseases should be prevented in pear tree cultivation? Here is an introduction to the main pests and diseases in pear tree cultivation: For diseases, generally spray fungicide 7 days after flowering, then spray again at an interval of 15 days. After June, on sunny days, spray the protective agent 1:3:240 Bordeaux mixture 3 to 4 times, at intervals of 15 to 20 days. During the rainy season, fungicides can be sprayed on the trees. ① Black spot disease: 75% carbendazim at 800 times dilution.
-
What are the control methods for core browning in Ya pears?
How to control core browning in Ya pears? Please give guidance. Core browning is a physiological disorder that occurs during the storage of Ya pears. Ya pears can develop the disease after being stored in a 0°C cold-air warehouse for 30-50 days. In the early stage of the disease, brown patches can be found on the outer skin of the core, gradually spreading to the entire core; in severe cases, the flesh also develops brown discoloration with indistinct boundaries...
-
Control methods for pineapple stem borers and termites
How to control stem borers and termites in pineapple? Please give some advice. For pineapple stem borers and termites, you can refer to the following control methods: When rice straw or wheat straw is used as mulch in pineapple plantations, stem borers often cause damage, biting and eating the heart leaves and young stems of pineapple. You can spray a 500-800 times diluted dimethoate solution for control. Termites near...
-
What are the common pests and diseases of pineapple? A detailed guide to prevention and control methods
What pests and diseases of pineapple need to be prevented? Please introduce the following pests and diseases that need to be controlled during pineapple cultivation: wilt disease. After the plant is affected, the leaves become soft and droop, the leaf color changes from pale green to red, the base rots, and finally the whole plant dies. This disease is caused by damage from mealybugs. Prevention and control methods: first, strictly take care not to use diseased seedlings for propagation.
-
What are the management methods after the Ya pear fruits set?
How should Ya pear be managed after the fruits set? Please give some guidance. After the Ya pear fruits set, you can refer to the following methods for management: 1. Fertilizer and water management. This period is the stage of complete flower bud differentiation, and the demand for fertilizer is relatively urgent, so promptly apply a topdressing of quick-acting fertilizer. According to the size of the tree and the number of fruits set, apply per tree a high-nitrogen, low-phosphorus...
-
How to fertilize Ya pears scientifically? These methods you need to master
How to fertilize Ya pears scientifically? Please give guidance. Pear tree fertilization is generally divided into two types: base fertilizer and top dressing. The base fertilizer should be applied in early autumn, and the amount of base fertilizer should account for 70%-80% of the annual fertilization amount. Top dressing is best applied 3 times a year. The first is pre-flowering fertilizer, applied in mid-January, with 20 kg of compound fertilizer per mu. The second is fruit-swelling fertilizer, applied in...
-
Symptoms and Control Methods of Pineapple Black Heart Disease
What is pineapple black heart disease? How to control it? Please advise. Pineapple black heart disease is one of the major diseases of pineapple, mainly affecting the fruit. In mild cases it affects fruit quality; in severe cases it causes the fruit to lose its commercial value. Symptoms: This disease mainly affects ripe fruit. There are two types of symptoms: one is that the fruitlets are affected and turn brown or form...
条件筛选