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Cassava Forages Production for Animal Feeds in Cassava Based Intercropping System

T. Islami 1, Marjuki 1, and R. H. Howeler 2
1. Research Centre for Tuber and Root Crops, Brawijaya University, Malang, Indonesia
2. CIAT Emeritus, Cali, Columbia
Abstract—Two years consecutive field experiment was conducted to study the feasibility of cassava forage production in a cassava-maize intercropping system. Three cassava varieties were planted at two different plant spacings and were intercropped with maize. Three methods of cassava pruning were employed to produce cassava forage as animal feed, i.e. (1) no pruning; as control treatment, (2) top pruning, and (3) leaf pruning. These treatment combinations were arranged in a Randomized Block Design of three replications. The first pruning was done soon after harvesting the intercropped maize; the second and third pruning were done on 30 and 60 days after the first pruning; and the final pruning was done at the time of cassava root harvest. Top pruning was done by cutting the stems with leaves and petioles at a height of 20cm from the ground. Leaf pruning was done by harvesting all mature leaves and petioles; at the final pruning the top green stem with leaves were harvested. For the control treatment (no pruning), the forage composed of the top green stems with leaves was harvested at the time of cassava root harvest. It was shown that planting cassava for forage production in a cassava+maize intercropping system resulted in a similar gross income as planting cassava for root production only. The earlier system could be an alternative to overcome the problem of unstable prices of cassava roots. However, the system is not recommended to be continuously applied on the same field, as this will accelerate soil degradation by nutrient depletion.
Index Terms—cassava, defoliation, pruning, cassava hay, animal feed, protein, farm income

Cite: T. Islami, Marjuki, and R. H. Howeler, "Cassava Forages Production for Animal Feeds in Cassava Based Intercropping System," Journal of Advanced Agricultural Technologies, Vol. 3, No. 2, pp. 85-88, June 2016. Doi: 10.18178/joaat.3.2.85-88
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