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A partial study of vertical distribution of conventional no-till seeders and spatial variability of seed depth placement of maize in the Alentejo region,Portugal |
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| Authors: | L A Conceição P Barreiro S Dias M Garrido C Valero J R Marques da Silva |
| Institution: | 1. Department of Agriculture and Natural Resources, Instituto Politécnico de Portalegre, Av. 14 de Janeiro, s/n Apartado 254, 7350 – 903, Elvas, Portugal 2. Physical Properties Laboratory (LPF_TAGRALIA), Polytechnic University of Madrid, Ciudad Universitaria s/n, 28040, Madrid, Spain 3. Department of Agriculture Engineering, University of évora, Pólo da Mitra, 7002-554, évora, Portugal |
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