The effect of fertilizer nitrogen form on the amount of yield and content of selected macro- components in red cabbage
2007
Sady, W. | Smolen, S.,Akademia Rolnicza, Krakow (Poland). Katedra Uprawy Roli i Nawozenia Roslin Ogrodniczych
The experiments with field cultivation of red cabbage Langendijker c.v. were conducted in 2003-2005 at Grebalow near Cracow (Poland). Plants fertilized with the following forms o nitrogen fertilizer were researched: 1 - control (non-fertilized with nitrogen, 2 - Ca(NO3)2, 3 - (NH4)2SO4, 4 - NH4NO3 and 5 - CO(NH2)2. Treatment with individual nitrogen forms caused an increase in yielding in comparison with the control ranging between 17.5 and 23.2 percent. In comparison with the control nitrogen fertilization raised the degree of plant nitrogen and potassium enrichment. The highest contents of N-total, K, Mg and Ca were registered in the heads of plants fertilized with Ca(NO3)2 and CO(NH2)2
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