The effect of irrigation and mineral fertilizers on the properties of light and heavy soil and on the yield and quality of potatoes. V. Chemical composition and the quality of yield of potato tubers
Karczmarczyk, S.; Koszanski, Z.; Laskowski, S.; Nowicka, S.
Zeszyty Naukowe Akademii Rolniczej w Szczecinie, Rolnictwo 31: 153-162
In the Szczecin region of Poland the quality of potatoes grown on light and heavy soils depended more on the rate of applied NPK than on the soil type or irrigation treatment.