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Detailed Key Points of Pear Orchard Soil Management, Essential Reading for Fruit Growers Practicing Scientific Cultivation
Pear trees have strong stress resistance and wide adaptability, and can be cultivated on sandy land, mountainous land and hilly land. The planting soil is preferably a relatively fertile sandy loam with deep soil layers and good drainage. 1. Deep plowing of pear orchard soil Deep plowing can deepen the root distribution layer, make the roots develop deeper into the soil, reduce "surface-floating roots", improve drought resistance and absorption capacity, and has a significant effect on rejuvenating tree vigor and improving yield and quality. In production, the alternate-row deep plowing method is often used, and it takes 2 to 3 years to complete all the plowing; the ring-ditch method of expanding the planting hole can also be used. The deep plowing time is best completed before leaf fall in autumn,
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Detailed Garlic Cultivation Techniques: Management Methods from Sowing to Harvest
1. Land preparation: Choose fertile soil with good sunlight and a thick soil layer, plow deep and harrow level, then open furrows for fertilizer. The fertilizer furrow is 35 cm wide, 30 cm deep, with a row spacing of 50 cm. Apply 4 cubic meters of high-quality farmyard manure and 80 kg of quick-acting nitrogen-phosphorus-potassium compound fertilizer per mu. Apply the fertilizer in the furrows, mix thoroughly with soil, and fill level. 2. Sowing: Giant garlic has a longer growth cycle than ordinary garlic and needs early planting and late harvest. Open a sowing furrow 6 cm deep in the middle of the fertilizer furrow, irrigate, then sow, placing one garlic clove per hole, with a plant spacing of 30 cm. After sowing, cover with soil and level the furrow.
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Eight steps for meticulous pre-winter management of garlic
Land preparation and fertilization. Choose fertile loam or sandy loam soil where onions, garlic or Chinese chives have not been grown before. Before ploughing, apply 7500 kg of high-quality farmyard manure and 200 kg of soybean cake per 667 sq m. Or apply 100-150 kg of ternary compound fertilizer and 5000 kg of farmyard manure per 667 sq m. The land should be levelled and harrowed fine. Along with land preparation, use 1.5-2.5 kg of phoxim granules per 667 sq m, mix with an appropriate amount of wheat bran and soybean cake to make poisoned bait, and scatter it into the soil clods of the ploughed land to kill white grubs, wireworms, mole crickets and other underground pests.
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What are the key management techniques for garlic during the green-up stage?
How should garlic be managed during the green-up stage? After garlic overwinters, it enters the green-up stage. According to the climate characteristics of the Cangshan garlic producing area, after mid-February, temperatures gradually rise and the garlic plants begin active growth. After the Spring Equinox, that is, in late March, the seed garlic cloves rot (also called "clove rot" or "mother clove depletion"), the plants grow new adventitious roots, and growth begins to accelerate. In terms of management, soil temperature should be raised, along with fertilizer and water, to promote faster plant growth. For garlic fields covered with horse manure or firewood and straw in winter, the fertilizer or straw should be cleared away and the ground left to dry for 2-3 days. This can raise the soil temperature and promote root growth.
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Garlic management has its subtleties, and the technical points must be clearly explained
1. What is the current management focus? Garlic has now grown 7-9 leaves, and the growth period has entered the late stage of scale bud and flower bud differentiation. This stage is dominated by leaf growth and is a critical period for garlic growth and development. The root system gradually expands and shifts from vertical growth to horizontal growth, root growth strengthens, and the accumulation of nutrients accelerates; this is the period that lays the foundation for the growth of garlic scapes and garlic bulbs. Due to the earlier mother bulb degeneration, together with the long duration of cold spring weather this year and delayed watering and topdressing, the plants show dry tips and physiological dry leaves because of a nutrient gap, with grayish, dull leaf color and poor growth
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Detailed Explanation of Key Points for Rice Field Management in August
I. Apply rice field herbicides at the right time. To eliminate weeds in the rice field, rice field herbicides should be applied at the right time. This saves labor (no need for intercultivation) and money (about 2 yuan per mu for chemicals), and can also resolve the conflict of weeds competing with rice seedlings for fertilizer and light, which restricts the normal growth and development of rice seedlings. The specific method is: 5-7 days after transplanting, use 20 grams of Caodaolong or 60-100 grams of Dingbian per mu, mixed with urea (combined with topdressing), fine sand or dry mud powder 30-40 jin, and broadcast after the dew has dried, maintaining a shallow water layer for 4-5 days. II. Achieve scientific fertilization. Late rice in our province
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How to strengthen the management of fish in warm sheds? Detailed explanation of breeding key points
Strengthening the management of fish in warm sheds. At present, the main species cultured in warm sheds are tilapia, catfish, and freshwater white pomfret fry and adult fish. For tilapia culture, attention should be paid to maintaining water temperature and managing water quality to prevent frostbite on the head from affecting sales. For routine water disinfection, chlorine dioxide can be used, and high-protein complete formula pellet feed should be selected as much as possible. For catfish culture, chlorine dioxide can also be used for routine water disinfection. Special attention should be paid to preventing the occurrence of saprolegniasis. When routinely feeding animal by-products such as chicken intestines, care should be taken to keep the bait fresh. Culturing freshwater white pomfret and culturing
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How to carry out field management of cotton during the flowering and boll stage? Technical Q&A
1. What is the flowering and boll stage? The stage from flowering to boll opening, generally from early July to early September. There is a farming saying, "flowers see flowers forty-eight," but in fact in China's Yellow River basin it generally takes 50-70 days. When 10% of the cotton plants in the field have flowered, it is called the initial flowering stage; when 50% have flowered, it is called the flowering stage. When 50% of the cotton plants have the first fruiting node of the fourth fruiting branch flowering, it is called the full flowering stage. 2. What are the management principles during the flowering and boll stage? The initial flowering stage is the transition from vegetative growth to reproductive growth, and management should focus on control, preventing
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What are the key field management points for cotton during the flowering and boll-setting stage?
The flowering and boll-setting stage of cotton is the key period for yield formation. In addition to good fertilizer and water management, the following points should also be done well: chemical regulation. Chemical control during the flowering and boll-setting stage can shift more nutrients from vegetative growth to reproductive growth and reduce the shedding of squares and bolls. It is recommended that for cotton fields with strong growth, at the beginning of flowering, spray 2.0-2.5 grams of mepiquat chloride per mu, or 8-10 milliliters of 25% chlormequat. At full flowering, carry out chemical control again according to growth, spraying 2.5-3.0 grams of mepiquat chloride per mu, or 2
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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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