Fertilizers are applied to fishponds to serve as
Question
Fertilizers are applied to fishponds to serve as
Options
A)
bait for fish
B)
food for fish
C)
nutrients for plankton
D)
water purifier
The correct answer is C.
Explanation:
Fertilizers in fish farming are applied to fishponds to serve as nutrients for plankton. A 20-20-5 fish pond fertilizer is 20 percent nitrogen (N), 20 percent phosphorus (P205) and 5 percent potassium (K20) by weight. The remaining percentage is inert material and binders. Phosphorus is generally the limiting nutrient in ponds; little nitrogen and usually no potassium is generally needed. Choice C is correct.
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Fertilizers in fish farming are applied to fishponds to serve as nutrients for plankton. A 20-20-5 fish pond fertilizer is 20 percent nitrogen (N), 20 percent phosphorus (P205) and 5 percent potassium (K20) by weight. The remaining percentage is inert material and binders. Phosphorus is generally the limiting nutrient in ponds; little nitrogen and usually no potassium is generally needed. Choice C is correct.