Vale, W.G. do, Garcia, R.F., Thiebaut, J.T.L., Amim, R.T. and Tourino, M.C.C. 2008. <strong>Analysis of performance and sample dimension to evaluate a sowing-fertilizer machine under direct and conventional planting</strong&gt; - DOI: 10.4025/actasciagron.v30i4.5295. Acta Scientiarum. Agronomy. 30, 4 (Oct. 2008), 441-448. DOI:https://doi.org/10.4025/actasciagron.v30i4.5295.