Abstract
Brassica rapa L. subsp. sylvestris is one of the widely consumed vegetable in Puglia region of Italy. An experiment was conducted in experiment field of CHIEAM The Mediterranean Agronomic Institute of Bari (IAMB) to assess the effects of different organic amendments on yield parameters of turnip. Amendments used (a) coffee chaff compost, (b) coffee chaff (raw material), (c) control, (d) the commercial organic fertilizer. The rates of application were 6.3 tons ha-1 for coffee chaff compost, 7.5 tons ha-1 for coffee chaff and 9.3 tons ha-1 for the commercial organic fertilizer. The result indicated that the commercial organic fertilizer had highest values on number of leaves, plant height, fresh weight, dry weight and marketable yield (p<0.05) and there were no significant difference between other soil amendments. The commercial organic fertilizer was suitable in short term for turnip production when compared with compost and coffee chaff. It is recommended that Brassica rapa L. subsp. sylvestris can be grown successfully using the commercial organic fertilizer.
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