At shallow placement of fertilizers, they are accessible to plants only at the very beginning of their growth when the requirement for fertilizers is very small; but their surplus at this time can detain of growth of plants.

Therefore is better:

- 4/5 doses of fertilizers to close up under redigging, 

- fifth part to put in hollows or in rows at crop of seeds or at seedling planting.

When put inorganic fertilizers in hollows, necessary to mix them with the soil.

It is impossible to suppose contacts of seeds or roots of plants directly with fertilizers.