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Key Field Management Techniques for Cotton During the Squaring Stage
Currently, cotton in Shache County is about to enter the squaring stage. All townships must attach great importance to field management of cotton fields during the bud and boll stage, and specifically provide technical guidance focused on fertilizer and water management, intertillage and weeding, and chemical regulation. 1. Prepare for the first watering. Conventional irrigated land should be intertilled, weeded, and have the film removed before the first watering
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What are the key field management points for cotton during the squaring stage
Key field management points for cotton during the squaring stage
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What Is a Cotton Square? Management Techniques During the Squaring Stage, Causes of Square and Boll Shedding, and Common Diseases
Key Field Management Points for the Cotton Squaring Stage
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Growth Characteristics and Fertilizer-Water Management Methods of Cotton at the Squaring Stage
Growth characteristics of cotton at the squaring stage. From the appearance of squares, cotton enters a period in which vegetative growth and reproductive growth proceed together, but vegetative growth still predominates. The photosynthates produced during the squaring stage are mainly transported to the vigorously growing parts of the main stem and the tips of the fruiting branches, and very little is supplied to the squares. As air temperature continues to rise, the growth of cotton roots, stems, leaves, fruiting branches and flower buds markedly accelerates, plant metabolism becomes increasingly vigorous, physiological activity intensifies, photosynthetic productivity is high, and root growth reaches its peak period. Management at this stage is mainly aimed at strong plants with steady growth, building a good high-yield framework. Normal cotton growth during the squaring stage
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How to carry out field management during the cotton squaring stage?
I. Growth characteristics of the squaring stage The cotton squaring stage refers to the period from squaring to flowering. It generally begins from late May to early June and lasts 25-30 days. About 40 days after cotton emergence, when a triangular young bud up to 3 mm wide appears at the first fruiting node of the first fruiting branch on the cotton plant, this is called squaring. The appearance of the bud marks the transition from predominantly vegetative growth to a period in which vegetative growth and reproductive growth proceed together, but vegetative growth still predominates, mainly expanding the vegetative body. During this period, dry matter accumulation in the cotton plant continuously increases, and carbon-nitrogen metabolism shifts from being dominated by nitrogen metabolism at the seedling stage to being centered on carbon metabolism. If fertilizer and water are insufficient, vegetative growth is inhibited, carbon metabolism is impeded, and the vegetative body is too small, which easily causes premature senescence. If nitrogen supply is excessive, too much sugar is used to synthesize protein, causing excessive vegetative growth and spindling, field closure, and poor ventilation in the lower part, resulting in massive shedding of buds in the middle and lower parts. After bud shedding, the nutrients originally transported to the buds on the middle and lower fruiting branches are transported upward in large amounts, further promoting runaway growth of the cotton plant and forming a vicious cycle, failing to retain early buds, failing to set early bolls, and forming the so-called "tall, big, empty".
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Key Field Management Techniques for Cotton During the Squaring and Flowering-Boll Stages
Management of cotton during the squaring and flowering-boll stages centers on regulating water and fertilizer, combined with measures such as intertillage, chemical regulation, and pruning. The promotion and control techniques should be applied reasonably, combining promotion with control, to achieve strong plants with steady growth, build a high-yield framework, increase boll setting, reduce shedding, and achieve a full set of three bolls. I. Fertilizer and Water Management During the squaring stage, cotton plants are required to grow steadily, so fertilizer application should be steady and skillful, with controlled use of nitrogen fertilizer. Cotton fields with medium to high fertility should not be fertilized further. If soil fertility is poor or the base fertilizer is insufficient, generally apply urea at 5-7 kg per 667 sq m.
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Detailed Q&A on Cotton Squaring Stage Management Techniques
1. What is the squaring stage? Answer: When triangular flower buds the size of buckwheat grains appear on the first fruiting branch of the cotton plant, it is called squaring. When 50% of the cotton plants in the field have squared, it is called the squaring stage; when 50% of the cotton plants have squares on the fourth fruiting branch, it is called the peak squaring stage. The squaring stage generally lasts between 25-30 days. The saying "twenty-eight (days) from square to flower" refers to the squaring stage. Depending on cultivation methods and temperatures, the squaring stage varies slightly. In areas north of the Yellow River, the squaring stage generally runs from early June to early July. 2. Why should attention be paid to squaring stage management? Answer: This stage is
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How to manage cotton during the squaring stage? These key points you need to master
The cotton squaring stage is an important turning point in the life of the cotton plant. During this period, vegetative growth and reproductive growth proceed simultaneously, with vegetative growth predominating. Production management should, on the basis of strong seedlings and early development, adopt reasonable measures to promote and control growth, so as to achieve steady plant development and build a good framework for a high yield. The technical key points are: 1. Continue to do a good job of digging drainage ditches to prevent both surface waterlogging and subsurface waterlogging. 2. Intertill and earth up to promote the development of the cotton root system. 3. Prune in a timely manner. Hybrid cotton has vigorous vegetative growth, with more leaf branches and superfluous buds. Depending on the field planting density, it is advisable to keep 1-2 leaf branches per plant,
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Detailed Explanation of Field Management Techniques for Cotton at the Squaring Stage
In order to build a good framework for high cotton yields, based on the growth characteristics of cotton at the squaring stage, and in view of the production situation this year with more late-planted cotton and uneven growth, the following field management technical measures are hereby proposed: 1. Clarify the guiding ideology and main objectives. Guiding ideology: seize the timing and strengthen science and technology, reduce humidity and increase temperature to promote root development, improve nutrition and adjust plant architecture, build up plant health and vigor in pursuit of balance. Main objectives: vigorous plant development with steady growth, strong plants with increased squares. 2. Highlight field management priorities and strictly control technical keys. 1. Complete the finishing work of deep intertillage and high ridging, and treat it as an important
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How to cultivate cotton during the squaring stage? A detailed explanation of the key technical points
In 2008, the climate during the cotton squaring stage was extremely unfavorable for cotton growth, with low temperatures and high humidity, causing cotton growth to lag 3-5 days behind the same period in previous years, with severe cotton diseases and generally weak growth. How to strengthen management during the squaring stage and build a good framework for high yield? The following points should be noted in management: Apply squaring fertilizer steadily: Apply fertilizer scientifically according to soil fertility conditions, base fertilizer application, and cotton growth. Focus on phosphorus and potassium fertilizers. For cotton fields with high soil fertility, sufficient base fertilizer, and vigorous growth, it is not suitable to apply nitrogen fertilizer as a top dressing; instead, 25-40 kg of cake fertilizer per mu may be appropriately applied.
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