Abstract: Abstract In Senegal, rainfed millet production is influenced by the combination of scarce and unpredictable rains and falling soil fertility. In order to analyse the interaction between the water and fertility factors under conditions of low rainfall, the water use by a millet crop ( Pennisetum glaucum L.) was studied under different organic matter input situations. Water balance was evaluated using a model and in situ soil moisture measurements. Application of manure raised the crop water requirements without substantially increasing the water...
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