Calculation of annual doses of fertilizers

Starting from version 3.2, the SYSTEM allows you to calculate the annual doses of nitrogen (as well as phosphorus and potash) of mineral fertilizers by the balance-calculation method using the values ​​of nitrogen removal (N) per 1 ton of the main product, taking into account the corresponding amount of by-products and the coefficients of use of nutrients by agricultural crops. elements from soil and fertilizers. The correct calculation is possible only if there is objective initial information about the values ​​of these indicators. To do this, you need to maintain the following references with correction factors:

- Reference «Basic guides»:

- Section «forecrops»;

- Reference «Normative data on the composition of soils»:

- Section «Coefficient of fertilizers conversion depending on the soil texture»;

- Section «Coefficient of fertilizers conversion depending on soil erosion»;

- Section «Factor of fertilizers recalculation depending on degree of soil acidity»;

- Reference «Normative-reference information on crop»:

- Section «Coefficient of fertilizers conversion depending on forecrops»;

- Section «The removal of nutrients by the culture of the main products, taking into account the by-product».

- Reference «Information about fertilizers, crop protection and chemical reclamation»:

- Section «Parameters of fertilizer».