Preventing soil erosion For slope or sandy orchards, grass root vegetation can be used to increase soil fixing capacity, which can effectively prevent and reduce soil erosion and nutrient loss.
Compared with clear farming orchards, the organic content of raw grass orchards increases year by year. The longer the time of planting grass, the higher the organic content.
Adjusting the soil temperature to warm up in winter, warm up in early spring, and cool down in summer heat can provide a comfortable environment for the growth of fruit tree roots.
Adjusting the soil moisture orchard grass can improve the utilization rate of water by fruit trees. Moisture retention in the dry season increases the soil water volume. In the rainy season, grass is used to absorb excess water, which effectively maintains the demand for water in the growing season of fruit trees.
Improve the utilization of nutrients in the soil. The elements such as nitrogen, phosphorus, and potassium in the soil are absorbed and transformed by grass, which can provide convenient conditions for the orchard root absorption.
Increasing the number of natural enemies of pests and changing the orchard's microclimate orchard grass can use natural enemies to prevent pests, reduce the number of medications, and reduce pesticide residues.
In the choice of grass species, there are many types to choose from, here are the following two recommended for everyone.
Old rapeseed. The root system is developed, the leaves and stems are thick, and the water storage is large. The stems and leaves after cutting are particularly prone to rot and ripening. It is a very good organic fertilizer, and the underground rhizomes will also rot quickly within a month, forming a space in the root system. Deepen the roots of the tree. It can be sown in May and September every year, with 0.25 kg of seeds per mu. When the rape grows to 30 centimeters high, when it is bolted, the buds are converged, and the flowers are not blooming, they are promptly cut and covered in situ.
White clover. Leguminous perennial herb, resistant to trampling. Strong regenerative ability, short main roots, well developed lateral roots, multiple rhizobia on the roots, strong nitrogen fixation ability, can effectively inhibit the growth of weeds after sprouting, can be sown every spring and autumn, 0.5-1 kg per mu, suitable for shallow sowing Mowing 2 ~ 4 times according to the growth of the grass, leaving 3 ~ 6 cm of stubble when cutting, the cut grass is covered under the tree tray, and after 4 years, use autumn tillage to deepen the fertilizer.
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The main differences between powder,premixed agent, granule are as follows:
Veterinary Soluble Powder: means a dry powder preparation made of one or more drugs by grinding and evenly mixing, with or without dressing.
Premix: refers to one or more drugs, and a suitable substrate evenly mixed to make a powder or granular preparation.
As a dosage form of feed drug additive, it is specially used for mixed feeding.
Powder powder, that is, powder, and premixed agent, the main differences of granules are as follows:
1.the production method is different
1.powder: medicine or with appropriate auxiliary materials by grinding, evenly mixed dry powder preparation.
2.Veterianary premix: powder or granular preparation made by evenly mixing the drug with an appropriate substrate.
3.granules: raw materials and appropriate excipients mixed into a certain particle size of dry granular preparation.
2.different characteristics
1. Dispersing agent: compared with other solid dosage forms, dispersing agent is easy to disperse, dissolves quickly, absorbs quickly and takes effect quickly; The preparation process is simple, the dosage is easy to control, and it is easy for infants to take.
2.Premix for animal: Premix used in the matrix including carrier, diluent, etc. The substrate should be stable, with good fluidity, and easy to mix with drugs and feed.
3. Granule: the dispersion, adhesion, agglomeration and hygroscopicity of granule are lower than that of granule; The separation of various components in granule is avoided because of the adhesive used to make granule after mixing. Convenient storage and transportation; Particles can change their function by coating.
Veterinary drug premix,Premix for animal,Veterinary premix,Poultry premix feed
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