To prevent spring drought, moisture must be preserved. Hoeing can effectively protect moisture and increase temperature and promote early onset, and it is especially effective for wheat fields with small populations, weak individuals, and freezing damage. It is necessary to organize as early as possible to mobilize farmers to hoe all kinds of wheat fields when the surface soil is 2 cm in the early spring (top frost period) to maintain soil moisture, increase surface temperature, and eliminate overwintering weeds. Where conditions permit, watering in spring or after rain should also be paddled in time. When hoeing, it is necessary to make thin, even, level, and thorough strokes, without leaving any rubbish, not crushing wheat seedlings, and not leaking weeds, so as to improve the effect of hoeing. Suppression in early spring should be combined with hoeing, pressing first and then hoeing, to reach the pine and bottom of the soil, which plays a role in increasing moisture, protecting moisture, warming, and fighting drought.
Fertilizer and water regulation is very important. For wheat fields with "defertilization" phenomenon, topdressing and watering can be used during the rise period to prevent over-prosperous seedlings from turning into weak seedlings; for over-prosperous wheat fields without defertilization, do not rush to fertilize and water in early spring, and should be based on suppression. , Postpone the top dressing period to the late jointing stage, and apply 12-15 kg of urea per mu.
In case of freezing damage, it should be remedied in time. For wheat fields suffering from freezing damage, according to the degree of damage, growers can apply quick-acting fertilizers to promote early seedlings and increase the ear formation rate of 2-4 high tillers. Generally, about 10 kg of urea is applied per mu. At the same time proper watering in time to promote the absorption of nitrogen by wheat, balance the water status of the plant, make the small tillers grow as soon as possible, increase the effective number of tillers, and make up for the loss of the main stem. If possible, plant growth regulators can be sprayed on foliage. After the wheat is frozen, timely foliar spraying of plant cell membrane stabilizers, sodium nitrophenolate and other plant growth regulators can promote the rapid growth of medium and small tillers and the rapid emergence of latent buds, and significantly increase the number of wheat ears and thousand-grain weight ,****** Increase wheat production.
Early management promotes early onset. Remove dead leaves in early spring, improve the ventilation and light conditions of wheat fields, and promote the growth of new leaves; after the soil is thawed, topdressing should be done in time, generally about 20 kg of urea per mu, and 30 kg of nitrogen and phosphorus compound fertilizer per mu for phosphorus-deficient plots. At the same time, it should be noted that when the wheat seedlings rise to the jointing stage, it is necessary to apply nitrogen fertilizer or nitrogen-phosphorus compound fertilizer as appropriate to increase the number of grains per ear according to the condition of the seedlings.
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Herbal Extracts are concentrated forms of plant-derived compounds that are used for various medicinal and therapeutic purposes. These extracts are obtained by processing plants and isolating the active ingredients responsible for their beneficial effects.
There are several ways to classify herbal extracts based on their properties and applications. One common classification is based on the solvent used for extraction. Solvents like water, alcohol, and oil are commonly used to extract different types of compounds from plants. Water extracts, also known as herbal teas or infusions, are made by steeping herbs in hot water. These extracts are often used for their mild and soothing effects. Alcohol extracts, known as tinctures, are made by soaking herbs in alcohol or a mixture of alcohol and water. Tinctures are highly concentrated and are known for their long shelf life and fast-acting properties. Oil extracts, also called essential oils, are obtained through processes like steam distillation or cold-pressing. These extracts are highly concentrated and are used for their aromatic and therapeutic properties.
Another classification of herbal extracts is based on the part of the plant used for extraction. Some extracts are derived from the leaves, flowers, or stems of the plants, while others are obtained from the roots, bark, or seeds. Each part of the plant contains different types and concentrations of active compounds, which determine their specific effects. For example, leaf extracts are often used for their antioxidant and anti-inflammatory properties, while root extracts are known for their immune-boosting and energy-enhancing effects.
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