A lysimeter experiment on flooded and nonflooded rice was conducted to evaluate the effect of urea-N in the presence of the nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) on the fertilizer 15N recovery during different growth stages. At tillering and at panicle differentiation percent recoveries of fertilizer 15N in the nonflooded management were greater in the presence of DMPP, whereas they were significantly lower under flooding conditions. The recovery of fertilizer N was the highest at panicle differentiation under either water regimes. At maturity, the supplying of DMPP ameliorated the partitioning of accumulated total N and of fertilizer 15N applied at panicle differentiation among vegetative and reproductive tissues under nonflooded regime; however, the influence of the nitrification inhibitor was insignificant under flooding

Gatti, M., Silva, S., Influenza dell’inibitore di nitrificazione 3,4-DMPP sul recupero di 15N-fertilizzante nel riso coltivato in condizioni di differente disponibilità idrica, in Atti XXI Convegno Nazionale Società Italiana di Chimica Agraria, (Ancona, 14-17 September 2004), Errepi grafiche Ripesi, Ancona 2004: 184-193 [http://hdl.handle.net/10807/27159]

Influenza dell’inibitore di nitrificazione 3,4-DMPP sul recupero di 15N-fertilizzante nel riso coltivato in condizioni di differente disponibilità idrica

Gatti, Marina;Silva, Sandro
2004

Abstract

A lysimeter experiment on flooded and nonflooded rice was conducted to evaluate the effect of urea-N in the presence of the nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) on the fertilizer 15N recovery during different growth stages. At tillering and at panicle differentiation percent recoveries of fertilizer 15N in the nonflooded management were greater in the presence of DMPP, whereas they were significantly lower under flooding conditions. The recovery of fertilizer N was the highest at panicle differentiation under either water regimes. At maturity, the supplying of DMPP ameliorated the partitioning of accumulated total N and of fertilizer 15N applied at panicle differentiation among vegetative and reproductive tissues under nonflooded regime; however, the influence of the nitrification inhibitor was insignificant under flooding
Italiano
Atti XXI Convegno Nazionale Società Italiana di Chimica Agraria
Convegno Nazionale Società Italiana di Chimica Agraria
Ancona
14-set-2004
17-set-2004
NA
Gatti, M., Silva, S., Influenza dell’inibitore di nitrificazione 3,4-DMPP sul recupero di 15N-fertilizzante nel riso coltivato in condizioni di differente disponibilità idrica, in Atti XXI Convegno Nazionale Società Italiana di Chimica Agraria, (Ancona, 14-17 September 2004), Errepi grafiche Ripesi, Ancona 2004: 184-193 [http://hdl.handle.net/10807/27159]
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10807/27159
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