BRAZIL
1 ) fertilization and soil management systems ; 2 ) competition of other soybean growers ; 3 ) cotton and corn hybrids ; 4 ) planting seasons ; 5 ) and assessment tests on the efficiency of fungicides , insecticides and herbicides .
Those experiments simulate the actual conditions of crops and are conducted according to scientific criteria . 190 tests are conducted at SLC AgrÃcola every year . The area used to conduct the experiments is nearly 1,300 hectares . www . slcagricola . com . br 61