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Gnojilni načrt za dva obrata KK Ptuj z veliko aglomeracijo živali : diplomska naloga = Düngeplan für zwei Gesellschaftliche Betriebe des landwirtschaftlichen Kombinats - Ptuj mit hoher Rinderaglomeration : graduation thesis
Sajko, Berta
Gnojilni načrt sem izdalala za dve tabli (Biš-100 ha, Zagojiči-25 ha) TOZD poljedelstvo Ptujsko poje. Tabla Biš ima po analizi (1989) manj ugodno založena tla s P in K, tla so drenirana, s slabimi ...fizikalnimi lastnostmi. Tabla Zagojiči ima tla optimalno založena s K in P, tla pa so močno kisla (pH ca. 4). Vso gnojevko uporabimo na lastnih kmetijskih zemljiščih (2,5 GVŽ/ha), manjkajoča hranila dopolnimo z mineralnimi gnojili. Na tabli Zagojiči zmanjšamo uporabo mineralnih gnojil: N za 34%, P205 za 91% in K20 za 96%, porabo gnojevke pa za 60 % glede na 4 letno povprečje (1985-89). Izvedemo meliorativno apnjenje. Na tabli Biš gnojimo le z mineralnimi gnojili (za gnojenje z gnojevko je preveč oddaljena). Porabo hranil pa zmanjšamo: N za 37%, P205 za 65% in K20 za 52% glede na 4 letno povprečje (1985-89).
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [B. Sajko], 1990
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