PERAN BAHAN HUMUS-KALSIUM PADA PUPUK UREA TERHADAP KETERSEDIAAN NITROGEN, PERTUMBUHAN DAN HASIL BAWANG MERAH DI LAHAN PASIR PANTAI
Coastal sandy soils, in general, have low fertility because mainly nitrogen losses due to leaching and volatilization. To reduce N losses and increase growth and yield of shallot in coastal sandy soils, Urea fertilizers can be coated or mixed with humic-calcium (humic-Ca). This main study aimed to f...
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| Format: | Thesis |
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[Yogyakarta] : Universitas Gadjah Mada
2011
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