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Agroeconomic evaluation of anhydrous ammonia on maize on a compacted red ferrallitic soil


Agroeconomic evaluation of anhydrous ammonia on maize on a compacted red ferrallitic soil



Ciencia y Tecnica en la Agricultura, Suelos y Agroquimica 12(2): 31-37



In field trials in spring 1983 and 1984 on a red ferrallitic soil, maize Hybrid T66 was given either no N or 90 kg N/ha as either anhydrous ammonia or ammonium sulphate. Grain yields ranged from 1.25-1.26 t/ha without N to 3.02-3.29 t with N. Yield differences between N sources were not significant.

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