Impacts of fertilization by phosphorus and potassium and liming on soil status
2011
Kovačević, V., Faculty of Agriculture,Osijek (Croatia) | Komljenonić, I., Faculty of Agriculture, Banja Luka (Bosnia and Herzegovina) | Paunović, A., Faculty of Agronomy, Čačak (Serbia) | Knežević, D., Faculty of Agriculture, Zubin Potok (Serbia) | Jelić, M., Faculty of Agriculture, Zubin Potok (Serbia)
Two stationary field trials were conducted on acid soil in March of 2008. Fertilization with NPK 7:20:30 (0, 1560, 3120 and 6250 kg/ha) was applied in the trial I. Nitrogen was equalized for the treatment by CAN (calcium ammonium nitrate: 27% N + 4.8% MgO). Hydrated lime (73% CaO + 2-3% MgO + 21% H2O) in amounts 0, 15, 30 and 45t/ha was used for the trial II. By PK-fertilization was decreased soil pH in KCl from 4.51 up to 4.04 and increased AL-soluble P and K (mg/100g) from 6.17 P2O5 and 27.48 K2O up to 14.40 P2O5 and 42 mg K2O. Limiting increased soil pH in KCl from 4.12 up to 7.66 while P and K status (means 18.94 P2O5 and 26.54 K2O/100g) were independent on liming.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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