the most important mineral nutrients added to soils in fertilizers?

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the most important mineral nutrients added to soils in fertilizers?

A-nitrogen, phosphorous, and potassium
B-calcium
C-magnesium
D-A and B
E-A, B, and C

2007-03-05 08:33:20 · 2 answers · asked by 43tr4t 3 1 in Science & Mathematics ➔ Botany

2 answers

A-nitrogen,phosphorus, potassium

ie. 20-20-20

The three numbers on a bag of fertilizer represent the amounts of these three ingredients in any standard bag.

? - If fertilizer is compiled of natural ingredients rather than some chemical, why is it considered 'bad' in terms of organic gardening? What is the difference between using nitrogen rich manure and nitrogen from a bag? I believe I shall ask.

2007-03-05 08:44:39 · answer #1 · answered by Pantera 3 · 0⤊ 0⤋

A

The numbers on fertilizers tell the amounts of these three nutrients.

2007-03-05 08:43:36 · answer #2 · answered by hcbiochem 7 · 0⤊ 0⤋