Urea Neutral, suitable for all kinds of soils and various crops, suitable for base fertilizer, top dressing, not for seed fertilizer.
Superphosphate is weakly acidic, can be used as base fertilizer, seed fertilizer and top dressing. It is suitable for neutral or acidic soil. It should be applied with organic fertilizer, and the top dressing should be sprayed outside the filtrate.
Ammonium nitrate is weakly acidic and can be used as a top dressing. It cannot be used as a base fertilizer or a seed fertilizer. Early spring crops should not be applied, and should not be mixed with organic fertilizers and tanning; applied to paddy fields due to denitrification, which is often used in dryland crops.
Ammonium chloride Physiological acid fertilizer, can be used as base fertilizer, top dressing, can not be used as seed fertilizer. Applicable to calcareous soil or partially acid soil, but it should not be applied to saline soil and tobacco, grape, potato and other chlorine-free crops.
Nitrogen, phosphorus and potassium compound fertilizer should be used as base fertilizer and early topdressing.
Calcium magnesium phosphate fertilizer is weakly alkaline and can be used as base fertilizer. It is generally not suitable for top dressing and is suitable for acidic soil.
Potassium sulphate Physiological acid fertilizer can be used as base fertilizer and top dressing. Potassium sulphate is suitable for all kinds of crops, especially for chlorhexidine potassium crops.
Potassium dihydrogen phosphate is currently used for soaking and root dressing, and the effect is very good.
Nitrogen and potassium compound fertilizer should be used as a top dressing for the potassium-tolerant chlorine crop. If it is potassium nitrate, paddy fields should not be applied.
Potassium chloride Physiological acid fertilizer, suitable as base fertilizer, applied on acidic soil, it is best to use organic fertilizer or lime, salt and alkali should not be applied, avoid chlorine crops should not be applied.
Nitrogen and phosphorus compound fertilizers, such as ammonium phosphate, are suitable for various soils and various crops, and should be used as base fertilizers.
Superphosphate is weakly acidic, can be used as base fertilizer, seed fertilizer and top dressing. It is suitable for neutral or acidic soil. It should be applied with organic fertilizer, and the top dressing should be sprayed outside the filtrate.
Ammonium nitrate is weakly acidic and can be used as a top dressing. It cannot be used as a base fertilizer or a seed fertilizer. Early spring crops should not be applied, and should not be mixed with organic fertilizers and tanning; applied to paddy fields due to denitrification, which is often used in dryland crops.
Ammonium chloride Physiological acid fertilizer, can be used as base fertilizer, top dressing, can not be used as seed fertilizer. Applicable to calcareous soil or partially acid soil, but it should not be applied to saline soil and tobacco, grape, potato and other chlorine-free crops.
Nitrogen, phosphorus and potassium compound fertilizer should be used as base fertilizer and early topdressing.
Calcium magnesium phosphate fertilizer is weakly alkaline and can be used as base fertilizer. It is generally not suitable for top dressing and is suitable for acidic soil.
Potassium sulphate Physiological acid fertilizer can be used as base fertilizer and top dressing. Potassium sulphate is suitable for all kinds of crops, especially for chlorhexidine potassium crops.
Potassium dihydrogen phosphate is currently used for soaking and root dressing, and the effect is very good.
Nitrogen and potassium compound fertilizer should be used as a top dressing for the potassium-tolerant chlorine crop. If it is potassium nitrate, paddy fields should not be applied.
Potassium chloride Physiological acid fertilizer, suitable as base fertilizer, applied on acidic soil, it is best to use organic fertilizer or lime, salt and alkali should not be applied, avoid chlorine crops should not be applied.
Nitrogen and phosphorus compound fertilizers, such as ammonium phosphate, are suitable for various soils and various crops, and should be used as base fertilizers.
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