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Detailed Explanation of Key Points for Off-Season Lily Cultivation Techniques
Lilium is a perennial bulbous flower, and the following points should be noted for its off-season cultivation: 1. Bulb selection. At present, lily bulbs for commercial cultivation in China are mainly imported from the Netherlands. Bulbs with plump scale development, no disease spots or mold, and well-developed roots should be selected for planting. Suitable
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A detailed guide to new lily propagation techniques: grow lilies with ease
Lilies not only have elegant, brightly colored flowers, their tender fleshy stems are also rich in nutrients and have special medicinal and health benefits, making them a popular health food on the market. Several bulb propagation methods for lilies are as follows: 1. Seed propagation. Sow mature lily seeds,
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How to grow orchids so they smell sweeter? A detailed guide to fragrance-boosting techniques
1. Orchids prefer partial shade, but they must not be placed in dark, lightless places. Otherwise, because they cannot receive light for photosynthesis over a long period, they grow poorly and have no way to produce organic matter to supply the nectar glands for brewing fragrant nectar, so even if they bloom, they will not be fragrant. They should be placed in
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Cultivation Techniques for Cut Roses in Solar Greenhouses
1. Soil preparation: Cut roses, also known as Chinese rose, have a cultivation cycle generally of 4-5 years or even longer. Therefore, fertile, loose, neutral loam with good aeration, good drainage and a granular structure should be selected. Before planting, the soil must be disinfected. Formalin,
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Detailed Explanation of Key Points of Rapid Propagation Techniques for Tree Peonies
The tree peony is a traditional famous flower of our country and is deeply loved by people. If its rapid propagation problem can be solved and production costs reduced, it will greatly meet market demand. Propagation methods for tree peonies include division, grafting, cuttings, layering, and so on. Comparatively speaking, grafting is still the better method for tree peony propagation.
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Key Points of High-Yield Cultivation Techniques for Intercropping and Relay Cropping of Medicinal Tree Peony
Tree peony is a precious Chinese medicinal herb with a long growth cycle, high yield and stable and considerable economic benefits. In recent years, market demand has been increasing. In order to improve economic benefits, the Bozhou Municipal Institute of Rare Medicinal Herb Cultivation has, through years of trial planting, successfully developed a new technique for
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Key Technical Points for Summer Corn Planting and Field Management
Most summer corn has already entered the jointing stage to the large trumpet stage; therefore, doing a good job of chemical regulation for lodging prevention at the jointing stage, ear fertilizer application, and pest and disease control is crucial for achieving high corn yields. 1. Scientific chemical regulation. Because the wheat growth period was delayed, corn sowing dates were generally later, and the jointing stage coincided with the rainy season, planting hidden risks for corn lodging. Chemical regulation not only makes corn stalks tough, the root system well developed, and lodging resistance stronger, but also deepens leaf color, thickens leaves, increases chlorophyll content, and enhances photosynthesis. It can generally reduce plant height by 10-15 cm and ear height by 10-12 cm, and can also shorten internodes, shaping an ideal high-yield plant form with good ventilation and light penetration. It plays a role in drought resistance, disease resistance, lodging resistance, and promoting reproductive growth, helping to produce large cobs, more kernels, heavier kernels, and a low bare-tip rate. It increases density by 200-400 plants per mu, with a yield increase generally of 15%-30%, truly achieving “seeking high yield within dense planting.” The time for chemical regulation is generally when corn has 6-13 expanded leaves, and the effect is best at 8-13 expanded leaves. Before the 6-leaf stage, corn leaves are slender and the leaf surface is smooth. When corn reaches the 7-expanded-leaf stage, the leaves become broad and thick, and fine soft white hairs appear on the leaf surface that can be easily felt with the back of the hand; this is the best time to spray chemical regulation agents. For the spray agent, the top choice is Dinongbao, the latest research achievement of the Chinese Academy of Agricultural Sciences.</p><p>2. Topdressing ear fertilizer. During the ear stage, the absorption of mineral nutrients is greatest and the absorption intensity is highest; this is the period when corn absorbs nutrients fastest and is also the most important fertilization period in its life. Topdressing nitrogen fertilizer at the large trumpet stage can effectively promote the differentiation of female ear florets and achieve large ears with many kernels. Generally, 20-25 kg of urea or nitrogen-potassium compound fertilizer can be topdressed per mu. The topdressing method can be trenching beside the rows or hole application deep beside the plants, preferably combined with irrigation or applied during effective rainfall. Never broadcast fertilizer on the soil surface to prevent fertilizer loss.</p><p>3. Strengthen pest and disease control. For pests and diseases at the summer corn ear stage, focus on controlling brown spot and corn borer. Brown spot can be controlled by foliar spraying with 12.5% Hexaconazole or 12.5% Triadimefon; corn borer can be controlled at the large trumpet stage by pouring phoxim granules into the whorl or by spraying the heart leaves with 4.5% beta-cypermethrin emulsion or 50% phoxim emulsifiable concentrate. </p>
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Detailed Explanation of Key Management Techniques for Corn at the Ear Stage
The ear stage of corn refers to the period from jointing to tasseling, and is a stage in which vegetative growth and reproductive growth proceed together. During this period there is both vigorous growth of roots, stems and leaves, and the differentiation and development of the female and male ears; it is the period of the fastest development, the largest growth amount, and the greatest
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Key Field Management Techniques for Corn at the Big Trumpet Stage
The big trumpet stage is a critical period for corn growth and development, when both reproductive growth and vegetative growth are vigorous. At the same time, this stage is also a period of high incidence of corn pests and diseases. Field management at this stage should emphasize the "five preventions": 1. Preventing fertilizer deficiency. The big trumpet stage is the peak period of fertilizer demand,
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What are the technical measures for managing summer corn during the flowering and grain-filling stage?
The main goal at this stage is to maintain roots and protect leaves, prevent premature senescence and excessive vegetative growth, extend the functional period of green leaves, prevent grain abortion, and improve seed-setting rate and grain weight. First, apply grain fertilizer skillfully: so-called skillful application should be determined by the appearance of plants in the field. In fields where ear fertilizer is sufficient, plants look good, leaf color
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