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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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What are the key technical points for cotton management after autumn
In autumn, cotton growth shifts to the late growth stage of boll opening and completing the development of autumn bolls. During this period, the focus should be on nurturing the roots and protecting the leaves, using scientific management methods to promote robust cotton plant growth, prevent premature aging as well as excessive vegetative growth and late maturity and rotten bolls, and strive for a bumper cotton harvest. Specific management
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Watch out for and control cotton boll rot in hot and humid weather
Currently cotton is at the flowering and boll stage and will soon enter the boll-opening stage. This is the vigorous period of cotton reproductive growth, the critical period for the growth of midsummer bolls and yield formation, and also the critical period for controlling boll rot. This year, rainfall from late July to early August was abnormally higher than usual, so
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Seven key techniques for achieving full stands in cotton planting
For cotton to achieve high yield, the foremost condition is to secure a full stand, and the process of achieving a full stand is also a multi-step process; a slight carelessness in any single step may affect the full stand from one sowing. In this regard, cotton farmers are reminded to pay attention to the following six key steps
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How can cotton be grown well? Key points of planting management techniques
To grow cotton well, you should master the following key techniques. I. Strictly control the quality of sowing 1. Choose high-quality, high-yield varieties. Choose improved varieties promoted by the local agricultural technology department. 2. Sun the seeds before sowing. Choose a sunny day, spread the seeds on non-cement ground, and sun them for 4-5 days to
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Detailed Explanation of Key Cultivation and Management Techniques for Papaya
1. Select superior varieties. Varieties suitable for local conditions include Yizhou papaya, Yipinhong papaya, etc., and they can pollinate each other. 2. Field planting and orchard establishment. It is advisable to choose deep, fertile soil with good drainage, neutral or slightly alkaline loam or sandy loam. Plant spacing 2.5 m x 4 m. Before planting
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Key Points and Detailed Methods of Papaya (Chaenomeles) Seedling Raising Techniques
Papaya is the dried near-ripe fruit of the rose family plant Chaenomeles speciosa (Sweet) Nakai, also known as wrinkled-skinned papaya, mainly produced in Shandong, Anhui, Sichuan, Hubei, Yunnan, Shaanxi and other provinces, with functions of relieving cough and spasms, clearing summer heat and promoting diuresis, relaxing muscles and activating collaterals, and harmonizing the stomach and
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What cold-resistance protection measures are there for papaya cultivation?
Papaya is a tropical crop that likes hot climates and is harmed by low temperatures and frost. Freeze damage occurs when the temperature drops below 5°C. Therefore, the following measures are very important for preventing freeze damage: First, apply a heavy overwintering fertilizer. Before winter arrives, apply 10-15 kg of organic fertilizer made from a mixture of decomposed human and livestock manure and plant ash per tree, plus 1.5 kg of phosphate fertilizer. At a distance of 80-100 cm from the main trunk, dig a ring-shaped trench 20 cm deep and 35 cm wide, mix the fertilizer thoroughly with the soil that was dug out, and then fill it back into the trench. After fertilizing, cover the tree base with rice straw or other weeds.
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Control Methods and Technical Key Points for Root Rot Disease in Papaya Seedlings
Papaya root rot disease is also called papaya root rot. Symptoms: The disease mainly affects the root collar and roots, and seedlings during the nursery period and shortly after planting are more susceptible. It is especially likely when the groundwater level in the nursery site and cultivation site is relatively high or poor drainage causes waterlogging, and when the soil is highly clayey. The plant
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What are the management measures for cantaloupe after planting?
In the past two years, the cantaloupe planting area in Jiading District has gradually expanded, and the planted varieties have been continuously enriched. In 2007, a total of about 60 mu of cantaloupe was planted, with the main varieties being "Xuelihong", "9818" and "Xianguo". At present, the cantaloupe planting work has basically been completed. To ensure the normal
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