Select D if neither statement A nor B are true 1. Fertilizer X is a complete fertilizer with a fertilizer grade of 25-25-25, it is the only fertilizer material needed to satisfy a recommendation of 120-50-60 kg/ha; (b) Fertilizer X (25-25-25), Fertilizer Y (0-0-62) and fertilizer z (0-50-0) are the fertilizer materials needed to satisfy a recommendation of 120-50-60 kg/ha.
Select A if statement A is true
Select B if statement B is true
Select C if both statement A and B are true
Select D if neither statement A nor B are true
1. Fertilizer X is a complete fertilizer with a fertilizer grade of 25-25-25, it is the only fertilizer material needed to satisfy a recommendation of 120-50-60 kg/ha; (b) Fertilizer X (25-25-25), Fertilizer Y (0-0-62) and fertilizer z (0-50-0) are the fertilizer materials needed to satisfy a recommendation of 120-50-60 kg/ha.
2. (a) a recommendation of 80-80-80 kg/ha is satisfied with 53 kg of fertilizer X (15-15-15)/ha; (b) the same recommendation (80-80-80) is satisfied by applying 0.4 g of fertilizer X to a 15 kg soil in a clay pot.
3. (a) Lower fertilizer analysis implies higher amounts of the fertilizer material needed to be applied to satisfy a recommendation. (b) Fertilizer analysis or grade is expressed as %N-%P-%K, and is usually printed on the fertilizer container/sack/pack
4. (a) Under acidic conditions, all of the plant micronutrients become more available; (b) Mo availability increases as pH increase
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