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How to prevent and control Welsh onion rust disease during continuous rainy days?
How to prevent Welsh onion rust disease during continuous rainy weather? Please advise. In summer and autumn, with high temperatures and frequent rain, if continuous rainy weather occurs, Welsh onions are prone to rust disease, and farmers should promptly take effective measures to strengthen prevention and control. Timely pesticide application for prevention and control: In summer and autumn, especially after 2-3 days of continuous rainy weather, promptly inspect Welsh onions for rust...
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How to prevent and control waterlogged root rot in Welsh onions? These methods you need to master
What methods can increase the yield of Welsh onions? Please advise. To increase the yield of Welsh onions, you can refer to the following methods: 40-50 days after planting Welsh onions, the root system has basically recovered and begins to enter the vigorous growth period of the leaves. In terms of technical management measures, it is necessary to shift from mainly promoting root growth in the early stage to mainly promoting stem and leaf growth. To improve the...
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Applying microbial fertilizer to cotton can prevent disease occurrence
Boron deficiency at the seedling stage: Boron deficiency symptoms can appear in cotton right after emergence, manifesting as thickened and enlarged cotyledons with a darker color, fragile young shoots that break easily, and wilting and drooping in a "" shape (normal leaves stand upright in a "Y" shape); the terminal bud's development stalls, and in severe cases no true leaves emerge, ultimately leading to seedling death. With boron deficiency at the seedling stage, because the terminal bud's growth...
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How to prevent pomegranate fruit cracking? Master these methods
How to prevent pomegranate fruit cracking? Please advise. Pomegranate fruit cracking can be prevented with the following methods: Keep the tree vigor moderate and strong. Trees with moderate and strong vigor crack less, while excessively vigorous trees crack more. Through measures such as improving the soil, regulating fertilizer and water, and shaping and pruning, control excessive vigor and keep the tree vigor moderate and strong....
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How to prevent and control cucumber diseases? Sharing practical prevention and control methods
How do you lower the vines when growing cucumbers in a greenhouse? Please provide guidance on lowering greenhouse cucumber vines at the right time to reduce plant height, allow the leaves to be distributed evenly, maintain a reasonable position for light exposure, strengthen cucumber growth vigor; this is one of the important companion measures for achieving high-yield, efficient, and high-quality greenhouse cucumber cultivation. First, remove diseased leaves, old leaves...
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How to prevent cucumber downy mildew? Master these control methods
How to prevent cucumber downy mildew? Please explain that cucumber downy mildew is one of the most common and most serious diseases occurring on cucumber. It can occur throughout the entire growth period of cucumber and mainly damages the leaves. After the leaves are affected, water-soaked light green spots first appear and gradually turn yellow-green and yellow. It occurs in all parts of our city and causes great...
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Key Technical Points for Preventing Premature Senescence in Cotton at the Mid-to-Late Growth Stage
The Spring Equinox has passed, and cotton seedling raising is imminent. In order to seize the optimal period for cotton seedling raising and to raise sufficient and good-quality cotton seedlings at the right time, and in light of this year's climate characteristics, cadres at all levels and the broad community of cotton farmers are required to carry out seedling raising work in accordance with the following technical points. 1. Optimal seedling raising time: choose late March to before April 5, on clear and fine...
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What are the methods for preventing and controlling lily pests and diseases?
Planted for just over a year, the eucalyptus grew to 15 m, increasing by more than 1 m per month on average! This is the eucalyptus growth rate achieved by Zhang Quanhai, a forest farmer in Min'an Town, Fogang County. Zhang Quanhai revealed that scientific planting management and the rational application of compound fertilizer and calcium-magnesium fertilizer are the secret to the rapid growth of his eucalyptus. Being both a fertilizer dealer and a wood...
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How to prevent and control Rhizopus soft rot of lily bulbs
I. Symptoms of damage: During storage or transportation of lily bulbs, water-soaked spots initially form on the outer skin, which later darken in color and have a slightly pungent odor. The bulbs become soft, and in severe cases, destructive rotting of the bulbs occurs. Sometimes a thick layer of mycelium grows on the bulbs, which is the sporangiophores and sporangia of the pathogen. II. Morphological characteristics of the pathogen...
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How to prevent and control lily bulb stalk rot? Sharing practical tips
(1) For soil preparation, choose loose, fertile loam soil with good drainage. During soil preparation, broadcast fully decomposed organic fertilizer at 5 cubic meters per mu, and deep plow 30-35 cm. Then make beds at a width of 110-120 cm with 50 cm walkways, and then broadcast 10-15 kg of calcium superphosphate, 4-6 kg of potassium sulfate and 0.8-1.0...
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