What are the fertilizers that can be used as fertilizers?

Since the seed fertilizer is often in contact with the seed or close to the seed, there are strict requirements on the method and amount of fertilizer used during planting. Once improperly applied, it will cause burnt seedlings and lack of seedlings. Therefore, fertilizers that are too concentrated, too acidic, too alkaline or contain toxic substances and fertilizers that produce high temperatures are not suitable for seed application. Generally, quick-acting fertilizer or good-quality high-quality agricultural fertilizer is used as seed fertilizer. There are several types of fertilizers that can be used as seed fertilizers in production:

Ammonium sulfate is abbreviated as ammonium sulfate. Avoid excessive contact with seeds when making fertilizers. Seed dressing is a cost-effective method of applying fertilizer (2.5 kg per mu), but it is necessary to ensure that the seeds and ammonium sulfate are dry and ensure that they cannot be placed for a long time.

Superphosphate is referred to as calcium. When applying, firstly grind the calcium into the sieve, it is best to mix the high-quality agricultural fertilizer to avoid the phenomenon of burning seedlings between the calcium and the seedlings. The amount of fertilization per mu is preferably 5 to 10 kg.

Heavy superphosphate is referred to as heavy calcium. When used as a seed fertilizer, the amount of fertilizer applied is 2.5 to 5 kg. Since heavy calcium does not contain calcium sulfate, the fertilization effect on sulfur-loving crops (such as potato and bean crops) is less than that of calcium. In addition, the effect of applying in alkaline soil is not as good as that of calcium.

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