Rochester, I.J.

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Managing Nitrogen - Dentitrification

Freney, J.R., Rochester, I.J., Constable, , G.A. (1992-08-11)

Farmers in Australia apply between 80 and 200 kg N ba-1 to cotton, but only part of this nitrogen is taken up and used by the crop, and the remainder is lost :from the plantsoil system.

THE FATE OF YOUR N FERTILIZER

Humphreys, E., Freney, J.R., Constable, G.A., Smith, J.W.B., Lilley, D., Rochester, I.J. (1990-08-08)

The objective of the experiments reported in this paper is to determine the fate of fertilizer nitrogen applied to the grey clays in the Namoi Valley.