Evolution of available nitrogen in tropical soils. II. Study of the reorganisation of nitrogen in a ferrallitic soil over gneis in Madagascar. (Effect of NH4NO3 and straw additions on mineralizable nitrogen in soils)

Oliver, R.; Ngo Chan Bang.

Agron. trop, Paris 25: 1068-1078


Accession: 014467243

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The combined effect of straw at 0, 1 and 5 % and mineral N at 0, 75, 150 and 300 ppm N added to a ferrallitic soil was followed for 9 weeks by measuring NH-N and NO3-N produced under laboratory conditions.