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Material Type: Artigo
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Detection of nitrogen and phosphorus nutrient status in winter wheat using spectral radianceSembiring, H ; Raun, W.R ; Johnson, G.V ; Stone, M.L ; Solie, J.B ; Phillips, S.BJournal of plant nutrition, 1998-01, Vol.21 (6), p.1207-1233 [Periódico revisado por pares]Philadelphia, NJ: Taylor & Francis GroupTexto completo disponível |
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Material Type: Artigo
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Soil–plant–animal relations in nutrient cycling: the case of dairy farming system ‘De Marke’van Keulen, H. ; Aarts, H.F.M. ; Habekotté, B. ; van der Meer, H.G. ; Spiertz, J.H.J.European journal of agronomy, 2000-07, Vol.13 (2), p.245-261 [Periódico revisado por pares]Amsterdam: Elsevier B.VTexto completo disponível |