... challenges.Plant Soil 24 5: 115– 122 , 20 02. Conclusion 603 CRC_ DK29 72_ Ch 022 .qxd 6/3 /20 06 12: 37 PM Page 603and by-products (1), atmospheric contributions to plant nutrients in soils, short- and long-termavailability ... copper, 3 12 of iron, 344, 345 of molybdenum, 387, 388 of potassium, 1 12 of sulfur, 22 1 of zinc, 424 – 428 , 429 Index 607 CRC_ DK29 72_ index.qxd 7/14 /20 06 4:44 PM Page 607 FIGURE 14.3 Nickel deficiency ... remediation of contaminated soils (16). Cobbett and Goldsbrough (17) considered the roles of metal-binding ligands600 Handbook of Plant Nutrition CRC_ DK29 72_ Ch 022 .qxd 6/3 /20 06 12: 37 PM Page...