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Evaluation of a 15N plot design for estimating plant recovery of fertilizer nitrogen applied to sugar cane Scientia Agricola
Trivelin,P.C.O.; Lara Cabezas,W.A.R.; Victoria,R.L.; Reichardt,K..
Two experiments were conducted on commercial sugar cane fields cropped with the variety SP70-1143, with the objective of evaluating a single row microplot design to determine plant recovery of 15N fertilizer nitrogen. One of them used 15N-aqua ammonia and 15N-urea applied to two linear meter microplots of a ratoon crop (four replicates). The second used one linear meter microplots (three replicates) which received 15N-aqua ammonia only. The fertilizers were applied on 15cm deep furrows, located 25cm from both sides of the cane row. One linear meter of ratoon cane, inside and outside of the microplot, and on the same and adjacent rows were harvested twelve months after fertilization. The results indicate the feasibility of using single row segments of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 15N; Sugar cane; Experimental plot design; Plant recovery of fertilizer nitrogen.
Ano: 1994 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90161994000200005
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