Effect of soil characteristics; seeding depth; operating speed; and opener design on draft force during direct seeding.[J].B.A. Collins;D.B. Fowler.Soil & Tillage Research.1996, 3
Effect of soil characteristics; seeding depth; operating speed; and opener design on draft force during direct seeding.[J].B.A. Collins;D.B. Fowler.Soil & Tillage Research.1996, 3