COMPARISON OF THREE-LED AND FOUR-LED SEED SENSOR TECHNOLOGIES FOR MONITORING CORN, SOYBEANS, AND SORGHUM SOWING

Saulo Fernando Gomes de Sousa, Patrícia Pereira Dias, Leandro Augusto Felix Tavares, Tiago Pereira da Silva Correia, Paulo Roberto Arbex Silva

Resumo


Large Brazilian farms currently are reliant upon seed sensor technologies to monitor seed populations during planting and optimize crop yields. Thus, the present study aimed to evaluate the performance of two different seed sensor technologies containing three and four light emitting diodes (LEDs), respectively. An experiment was performed using randomized blocks with four replications in a 2 × 3 factorial. Three tractor displacement speeds of 4.0, 8.0, and 12.0 km/h were used when evaluating each of the two sensor types. Corn, soybean, and sorghum seeds were sown individually to determine differences in sensor accuracy by seed type. A pneumatic seeder was used with the sensors affixed in the seed delivery tube. The three-LED seed sensor exhibited higher accuracies than the four-LED seed sensor. The highest accuracies were observed for the corn crop, with relatively lower accuracies observed for the soybean and sorghum crops.



DOI: http://dx.doi.org/10.17224/EnergAgric.2017v32n1p%25p