Roger Toscan Spagnolo

Inoculation Methods and Doses and Relationship with the Vegetative and Reproductive Development of Soybeans

David Peres da Rosa, Junior Verardi, Junior Santana Girardi, Paulo Henrique Conte & Roger Toscan Spagnolo · Journal of Experimental Agriculture International · 2020

This study aimed to evaluate and compare the method of in-furrow inoculant application with the other existing methods, as well as, in different doses in the development of soybean culture. The experimental design was randomized blocks in a two-factorial scheme (4 x 3), with four...

Open access Research Article 10.9734/jeai/2020/v42i730561

Methodology to Evaluate the Fertilizer Distribution by Helical Doser from Seed Planter

David Peres da Rosa, Lucas Pagnussat, Alisson Alves, Felipe Pesini & Roger Toscan Spagnolo · Journal of Experimental Agriculture International · 2019

This article aims to develop a precision methodology, to evaluate the work of a helical doser from a seed planter. The experiment was carried out in two conditions, a bench in laboratory, and, in a seed planter in the field, comparing the proposed evaluation methodology in the la...

Open access Research Article 10.9734/jeai/2019/v31i530087