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Yield of 'Chato de quintal' cabbage and of 'Jewel' nasturtium, in monocrop and intercrop system, with and without semi-decomposed chicken manure added to the soil

This work has as objective to study yield of cabbage and nasturtium flowers. 'Jewel' nasturtium (Ca) and 'Chato de quintal' cabbage were placed at field in jointed experiment, and they were studied as 2 (monocrop and intercrop system) x 2 (with or without soil covering with chicken manure, in dose of 6.5 t ha-1) factorial scheme, which resulted in six treatments (CaS, CaC, RS, RS, CaRS, CaRC) that were arranged in a randomized block experimental design with four replications. Harvests of nasturtium flowers were done between 35 and 98 days after transplant (DAT) and of cabbage between 83 and 104 DAT. Heights of cabbage plants showed linear growth with variable indexes as a function of days after transplant with the use of chicken manure on soil and with the cultivation system. Yields of cabbage were 32.76 t ha-1 for monocrop arrangement and 27.65 for intercrop system and 35.78 t ha-1 and 24.62 t ha-1, with and without the use of chicken manure, respectively. The highest yield of nasturtium was without the use of chicken manure, in monocrop system, with 15,825,000 flowers and 10.63 t ha-1 of fresh mass. Plant height, diameter and length of nasturtium flowers were influenced only by evaluation dates. Land Equivalent Ratio calculus for intercrop system was 1.35 with the use of chicken manure and 1.25 without the use, which indicates that cabbage/nasturtium intercropping is viable. Gross income for intercrop system was R$ 38,065.20 and R$ 28,587.50 with and without the use of chicken manure, respectively.

Brassica oleracea var. capitata; Tropaeolum majus; intercropping; organic residue; income


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