Поліфоска Polifoska 6 NPK (S) 6:20:30 (7) комплексне мінеральне добриво, Полтавська обл.

Complex mineral fertilizer Polifoska 6 NPK (S) 6:20:30 (7) - is a valuable fertilizer for crops that require high rates of available potassium, in particular these are technical and oil crops. Also, the fertilizer is effective on soils that have a low potassium content.

Composition: Nitrogen - 6%, Phosphorus - 20%, Potassium - 30%, Sulfur - 7%

Nitrogen

nitrogen in the ammonium form (NH4), which is contained in the soil, is not washed away and has a prolonged effect for assimilation by the plant.
ammonium improves the assimilation of phosphorus by the root system of the plant.

Phosphorus

significantly increased absorption of phosphorus by the plant due to high-quality raw materials and high solubility.
phosphorus is contained in the form of diammonium phosphate and is 100% water-soluble, which makes it completely available to the plant.(//tractor-service.com)

Potassium

potassium in fertilizer is completely in water-soluble form

Sulfur

sulfur content from 7 to 35% (SO3) in the form of sulfates, which significantly increases the efficiency of nitrogen assimilation.
General recommendations

Fertilizers are used on all agricultural crops as the main, pre-sowing application and top dressing of winter crops in the spring.
Pre-sowing application involves both application at the same time as sowing and spreading under pre-sowing cultivation to place fertilizers in the sowing layer of the soil 10-15 cm.
Recommended application rates: field crops - 70-150 kg / ha at sowing or 100-300 kg in pre-sowing cultivation, or for early spring fertilization depending on the crop and the brand of Polifoska fertilizers.