IMPROVING YIELD OF VEGETABLES BY USING SOILLESS MICRO-GARDEN TECHNOLOGIES IN PERI-URBAN AREA OF NORTH-EAST BRAZIL
The suburbs of main cities of developing countries are characterised by a spread poverty and high rate of unemployment. The promotion of home and community gardens allows producing fresh vegetables, in order to reach the goal of both improving peoples health and creating employment. Often, in peri-urban areas, soils are not suitable for crop production. The adoption of soilless garden should allow to overtake this constrain. To assure soilless systems sustainability at stakeholder level, all materials have to be inexpensive and easy to find locally, and garden management must be simple. This work reports some results attained in experiments carried out in Teresina (Brazil). Tomato and okra plants were tested for their adaptability to two soilless systems and two nutrient solutions. Biometric measurements and phenological stages were scheduled. At harvest, fruits were counted and weighed to asses yield. Nutrient solution consumption has been measured throughout the growing period. Both tomato and okra showed interesting yield. Tomato is not grown on soil elsewhere in the nearby region, due to both limiting environmental conditions and diseases. In our condition tomato produced from 1.0 to 3.1 kg m-2 depending on soilless system and nutrient solution. Period from sowing to first harvest was particularly short in soilless grown okra, and yield varied with treatments (from 1.7 to 2.5 kg m-2). The systems appeared to be economically sustainable.
Gianquinto, G., Orsini, F., Michelon, N., da Silva, D.F. and de Faria, F.D. (2007). IMPROVING YIELD OF VEGETABLES BY USING SOILLESS MICRO-GARDEN TECHNOLOGIES IN PERI-URBAN AREA OF NORTH-EAST BRAZIL. Acta Hortic. 747, 57-65
Abelmoschus esculentus, Lycopersicon esculentum, nutrient solution, sustainable agriculture, water use efficiency