How to fertilize fields

The fertilization technique for throwing fields depends on the lining used in the plate.

The use of special nutrient soil preparation, generally not easy to appear de-fertilizer, early can not be fertilized, such as the phenomenon of defermentation later, the application of 1% -2% urea solution or potassium dihydrogen phosphate solution, spraying 150-200 ml per square meter. Or apply 100-200 g of ammonium sulfate per square meter and spray 5-10 liters of water. After fertilizing, wash the seedlings with water, and avoid fertilizing or directly spraying urea and compound fertilizer after fertilization to prevent fertilizer damage. In the 2 to 3 days before casting, the manure fertilizer was applied to 25 grams of urea per square meter and 2.5 liters of water was sprayed.

If no specific nutrient soil is formulated, the time and frequency of fertilization may be advanced and increased according to the growth of the seedlings if the gutter is used as the disc soil. Can be in advance in the 1 leaf 1 heart stage seedlings cut off milk fertilizer, seedlings can quickly absorb and use. Generally 50 grams of ammonium sulfate per square meter, 2.5 liters of water. In addition, the husbandry fertilizer should be applied 2-3 days before the dumping, and the amount and method of fertilizer application should be the same as above. However, fertilizers with topdressing fertilizers such as potassium dihydrogen phosphate and ammonium sulfate are preferred, and the fertilizer is also used as a fertilizer. Urea can be applied but ammonium bicarbonate cannot be used.

Tetanus Antitoxin is prepared from the blood of healthy horses that have been hyperimmunized. It is recommended for use as an aid in the prevention and treatment of tetanus in animals. Each serial is tested for purity, safety, and antitoxin unitage in accordance with applicable standard requirements issued by Ministry of Agriculture and Rural Affiars of the People's Republic of China .

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