Summary

 

On the basis of two years investigation of mineral fertilization metod on lesive soil we can generate following concludings:

Investigated soils are of favorable physical properties for breeding potatoes but of less favorable chemical properties.

Mineral fertilizators had significant influence on yield rising.

The largest potatoes yield was achieved with half of mineral fertilizators dosages in presoving tillage, and with second half at planting.

The largest yield was achieved by sort Lizeta.