ammonia

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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.

EFFECT OF TILLAGE PRACTICE & ROTATION ON NITROGEN FERTILISER STRATEGY

Constable, G.A. (1988-08-17)

One of the aims of this project is to assess the N fertiliser requirements of cotton under more enlightened tillage systems currently being adopted.

The Fate of Nitrogen Fertilizer Applied to Cotton

Humphreys, Liz, Freny, John, Lilley, Dianne, Smith, Barry (1988-08-17)

Cotton growers commonly apply nitrogen (N) fertilizer at rates of between 100 and 200 kg N/ha, yet the cotton plants seldom recover more than 40% of the applied N, and often much less.