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Summary of Field Management Experience in Balloon Flower Cultivation
1. Thinning and final thinning: When seedlings are 3-5 cm tall, carry out thinning 1-2 times; when seedlings are 10-12 cm tall, carry out final thinning at a spacing of 6-8 cm. 2. Cultivation and weeding: During the seedling stage, weed and loosen the soil frequently; when the seedlings are small, it is best to pull weeds by hand, and each thinning should preferably be combined with weeding.
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Detailed Explanation of the Key Points of Scientific Cultivation Techniques for Balloon Flower
Balloon flower (Platycodon grandiflorus) is widely cultivated in the river valley areas of Shangri-La County, and especially as prices have risen over the past two years, the planting area has increased year by year. Now I will provide a detailed introduction to the cultivation techniques for balloon flower, for the reference of the many farming households. 1. Site selection and land preparation: after choosing a sandy loam plot with sufficient sunlight, deep soil and good drainage, apply 3000 kg of farmyard manure per mu, plus 20 kg of superphosphate or 15 kg of diammonium phosphate, spread evenly over the land, plow deeply 25-30 cm, level and harrow finely, and make beds 1.2 m-1.5 m wide and 15 cm high, with length determined by the terrain.
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How to prevent flower and pod drop in soybean cultivation
1. Topdressing according to local conditions and seedling condition. For fields where the plants cannot close the rows in time during the flowering period due to lack of fertilizer, topdress once more at the early flowering stage. Generally, apply 5 kg of urea or 10 kg of ammonium sulfate per mu, which can reduce flower and pod drop. 2. Foliar spraying. During the flowering and podding stage, generally use per mu
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What are the key management techniques for cotton during the flowering and boll stage?
Cotton enters the flowering stage in early July, and the period from late August to early September when bolls open is the flowering and boll stage. The flowering and boll stage is the period of most vigorous cotton growth and development, and also the key period that determines yield. This year, due to higher temperatures, cotton growth and development has generally been faster, which
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How to Grow Cotton to Prevent Square and Boll Shedding
(1) General patterns of square and boll shedding. ① Ratio of square and boll shedding: In square and boll shedding, the overall trend in the ratio of square shedding to boll shedding is that the boll shedding rate is higher than the square shedding rate, with a ratio of about 3:2. ② Age of squares and bolls at shedding: After squaring, shedding is greatest at 11-20 days, while shedding of large squares over 20 days old is less. Young bolls 3-8 days after flowering are most prone to shedding, with 3-5 days being the most common, while young bolls over 10 days old rarely shed.
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How to control common pests and diseases of citrus?
For the citrus flower bud maggot, control can begin when the flower buds show white (about the size of a mung bean). The method is to spray the ground with 120-150 g of 90% trichlorfon crystals per mu mixed with 20 kg of water; or use 150 g of 1605 capsule formulation or 2.5-3 kg of 3% carbofuran per mu, add 25 kg of fine soil, mix well and spread on the tree
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Detailed Explanation of Key Techniques for Flower and Fruit Management in Mango Orchards
(1) Use of plant growth regulators: When using plant growth regulators, the specified concentration, method of application and timing must be followed; plant growth regulators that have not been approved and registered for production by the state must not be used. Plant growth regulators used for controlling shoots and promoting flowering
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How to prevent early flowering in mango? Key points for planting management
Mango is an evergreen fruit tree that consumes a large amount of water and nutrients. If it encounters long-term drought weather, combined with improper water and fertilizer management, once the accumulated temperature is sufficient, flower bud differentiation will be rapid, and early flowering will occur, making it vulnerable to low-temperature cold and overcast weather; the flowers cannot be pollinated, the fruit-setting rate is low, causing reduced yield or total crop failure
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What are the technical measures for flower and fruit retention in mango?
The flowering and fruit-setting period of mango is an extremely critical period in mango production management. The management measures during the flowering and fruit-setting period include the following aspects: 1. Training of flowering shoots. About 2 months before flower bud differentiation, remove overly dense branches, shaded weak branches and diseased and pest-infested branches, leaving only 1-2 shoots per branch, which can increase the light penetration of the canopy, help concentrate nutrients and create good ventilation and light conditions, promote flower bud differentiation and prevent the occurrence of pests and diseases.
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Technical measures to promote fruit set in pomegranate cultivation
The flowers of the pomegranate are bisexual and, depending on the degree of pistil development, are divided into complete flowers and incomplete flowers. Complete flowers are gourd-shaped or tubular flowers, commonly known as "big-bottomed fruit flowers", and are the main part that sets fruit; incomplete flowers have a trumpet-shaped calyx tube and are called "bell-shaped flowers" or "pointed-bottomed false flowers".
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