TY - JOUR AU - Flocker, W. J. AU - Nielsen, D. R. TI - Tomato plant growth influenced by soil compaction, soil moisture and air space JF - California Agriculture JO - Calif Agr Y1 - 1962/09/01 VL - 16 IS - 9 SP - 15 EP - 16 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v016n09p15 AB - Soil moisture suction, mechanical impedance through alteration of the air spaces in the soil, or a combination of both factors can influence the growth of tomato plants.