TY - JOUR AU - Mikkelson, D. S. AU - Brandon, D. M. TI - Zinc deficiency in California rice JF - California Agriculture JO - Calif Agr Y1 - 1975/09/01 VL - 29 IS - 9 SP - 8 EP - 9 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v029n09p8 AB - The so-called “alkali disease” syndrome observed widely in California rice, causing chlorosis in seedling plants and often effecting a partial to complete loss of stand, has been identified as zinc deficiency. This problem is extensive in both the Sacramento and San Joaquin valleys. In some areas, entire fields are affected; in others, the problem occurs in irregular patterns, depending particularly upon soil conditions.