Effect of clay soil strength and structure on root penetration and crop yield - Pietola, Liisa (Agricultural Research Centre, 1991)
Sarja Maa ja lannoitus n:o 162
Keywords: Ka; maan tiivistyminen; maan rakenne; sokerijuurikas; maissi; kevätvehnä; soil compaction; mechanical impedance; soil structure; root penetration; sugar beet; maize; wheat