First, when the potassium crop is in the fast growing period, it is best to spray it on the foliar surface. For example, cotton is a potassium-producing crop. In the rapid growth period of cotton bolls, the amount of potassium transported by the roots cannot meet the demand, and the potassium contained in the leaves close to the boll is quickly depleted. At this time, spraying potassium fertilizer on the foliage of the crop and using it together with the photosynthetic nutrient film fertilizer can help the plant absorb a large amount of light fertilizer, light energy, light, compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit. One-year benefits for one application.
Second, the development of crop roots and the distribution of potassium in the soil affect the absorption of potassium. Commonly used conservation tillages leave more crop residues on the soil surface, and also cause higher concentrations of potassium to accumulate on the soil surface and not penetrate deep into the soil. When the soil moisture is good, these potassium can be infiltrated smoothly, but when the soil is dry, it will limit the absorption of potassium. Because the crop is rooted deeper below the potassium-rich soil layer in order to obtain sufficient water, this dislocation can result in potassium deficiency in the crop. In this case, the deep application of potassium fertilizer can significantly increase the availability of potassium.
Third, the location of other nutrients also determines how much potassium can be contacted by the crop roots. Nitrogen and phosphorus can stimulate the root branch of crops, and where these nutrient concentrations are high, the root ratio will be higher. Applying potassium fertilizer to nitrogen and phosphorus fertilizers in the same ditch can increase the chance of root contact with potassium.
Second, the development of crop roots and the distribution of potassium in the soil affect the absorption of potassium. Commonly used conservation tillages leave more crop residues on the soil surface, and also cause higher concentrations of potassium to accumulate on the soil surface and not penetrate deep into the soil. When the soil moisture is good, these potassium can be infiltrated smoothly, but when the soil is dry, it will limit the absorption of potassium. Because the crop is rooted deeper below the potassium-rich soil layer in order to obtain sufficient water, this dislocation can result in potassium deficiency in the crop. In this case, the deep application of potassium fertilizer can significantly increase the availability of potassium.
Third, the location of other nutrients also determines how much potassium can be contacted by the crop roots. Nitrogen and phosphorus can stimulate the root branch of crops, and where these nutrient concentrations are high, the root ratio will be higher. Applying potassium fertilizer to nitrogen and phosphorus fertilizers in the same ditch can increase the chance of root contact with potassium.
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