The effect of long-term application of FYM and mineral nitrogen on the balance of potassium
2005
Rabikowska, B. | Piszcz, U. (Akademia Rolnicza, Wroclaw (Poland). Katedra Zywienia Roslin), E-mail: [email protected]
In the paper the results of long-term experiment influence of FYM and mineral nitrogen fertilization on potassium balance and available potassium content in the soil profile are presented. The balance of potassium was calculated for two 4-year rotation. In the balance on input side the amount of potassium applied in FYM (and potassium chloride) and on the output side the amount of K removed with crops yields were taken into consideration. On all nitrogen rates without FYM deficit was stated (21-81 kg/ha x year) and the deficit of K increased with increasing nitrogen rates
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