The major elements in the agricultural fertilizer needed by the plant in large quantities are:
1 - Nitrogen: the average need of acres of which 514.5 K in the form of azut 15.5% g and increase or decrease quantities by plant type (fruit) and in terms of soil quality (old - new).
2 - Phosphorus: the average need of acres, including 215 kg phosphorus 15.5% kg, increase and decrease by plant type and soil.
Potassium: The average requirement of feddan, 55 kg in the form of PU 2A by 48% / kg, increases or decreases according to the type of plant and soil.
1 - Nitrogen: the average need of acres of which 514.5 K in the form of azut 15.5% g and increase or decrease quantities by plant type (fruit) and in terms of soil quality (old - new).
2 - Phosphorus: the average need of acres, including 215 kg phosphorus 15.5% kg, increase and decrease by plant type and soil.
Potassium: The average requirement of feddan, 55 kg in the form of PU 2A by 48% / kg, increases or decreases according to the type of plant and soil.