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Key Technical Points for Spring and Summer Field Management of Navel Orange Orchards
Spring comes early in southern Jiangxi, warm and rainy. From March to June, navel oranges are in the phenological stages of spring shoot growth, flowering and fruit set, and the first and second physiological fruit drop. This is also the dangerous period when more than 10 kinds of pests and diseases, such as citrus flower bud midge, mites, scale insects, tortrix moths, longhorn beetles, anthracnose, resin disease, and canker, rapidly multiply, spread, and proliferate.
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How are pests and diseases prevented and controlled during lemon cultivation?
The main fungal diseases of lemon fruit during storage are: black rot, sour rot, stem-end rot, blue and green mold, and anthracnose; the main physiological diseases are: dry scar and edema. (1) Stem-end rot: divided into brown stem-end rot and black stem-end rot, their symptoms are similar, but brown stem-end rot
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Lemon pruning should be done carefully; mastering the method is very important
If lemon is pruned improperly, it often only blooms without setting fruit, or sets few fruit, or even fails to bloom at all. To make lemon bloom and fruit year after year, the pruning step must be done carefully in order to achieve the goal of abundant fruit. The main purpose of pruning young trees and trees that have just begun to bear fruit is to build the crown skeleton
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Detailed Explanation of Technical Requirements for Harvesting Fresh Lemons
1. Harvesting of spring flower fruit begins around October 1. 2. Do not irrigate the orchard within 5 days before harvest, do not apply nitrogen fertilizer for 20 days, and do not apply pesticides for 30 days, to ensure that lemons are harvested outside the safe interval period. 3. Do not harvest on overcast or rainy days, in dense fog, or in the morning before the dew has dried. 4. Harvesting
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How to Fertilize a Lemon Tree Correctly During the Fruiting Period
Everyone is surely very familiar with lemons, especially for some female friends it is something all too familiar; in summer, soaking lemons and honey in water to drink can have a beauty and skin-nourishing effect, so in summer lemon water is an essential drink for beauty-loving women. How
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Key Technical Points for Spring Management of Apricot Trees in Greenhouses
In winter-warm greenhouses, the fruit development period of apricot trees runs from mid-February to the end of April. This period is divided into three main developmental stages. The first stage is the first rapid growth period of the apricot tree and the new shoot growth period, lasting 28-34 days; the second stage is the pit-hardening period, lasting 8-12 days; the third stage is the apricot
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Three Key Measures for Autumn Management of Apricot Trees
The apricot tree is the earliest fruit tree to bloom in spring, and it also leafs out first and then flowers. The nutrients needed for flower organ formation depend on the accumulation in the tree body from the previous autumn, so good autumn management plays a decisive role in the flower organ structure and fruit set the following spring. Autumn management of apricot orchards should
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Can pig manure be piled up after root digging during the dormant period of sugar mandarins?
Q: May I ask whether pig manure can be piled up after root digging during the dormant period of sugar mandarins? A: From the biological characteristics of the sugar mandarin fruit tree, there is no relatively clear so-called dormant period. What you may understand as the so-called dormant period probably refers to the plant entering the flower bud differentiation stage after the onset of winter, that is
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Experience Sharing on Root Cutting to Promote Root Growth in Shatang Mandarin
Applying staged root cutting to promote root growth in Shatang mandarin trees can promote root expansion and guide roots to grow downward, improve the root ecological environment, help restore tree vigor, expand the canopy, increase the number of effective branches and total leaves, thereby increasing citrus yield and improving quality. This is a technique for maintaining high quality, high yield and stable production in citrus.
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What are the technical measures for promoting flowering and preserving fruit in pomelo?
1. Promoting flowering: To make the fruit tree bloom early, in the year before fruiting, the tree's vegetative growth must be controlled, the growth center must be shifted toward reproductive growth, and flower bud differentiation must be promoted: 1. Control the vigorous growth of vertical roots, cultivate lateral roots and horizontal roots to grow abundantly, and promote flower bud differentiation;
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