Kleurenfotogids die de symptomen op blad en vrucht toont bij gebrek aan de elementen stikstof, zwavel, molybdeen, fosfor, kalium, magnesium, chloor en natrium,

130 color plates illustrate common nutrient deficiency symptoms including yellowing, stunted greening, leaf scorch, tip burn and yellowing with green veining. I

Set includes revised editions of some issues.