2006-11-20 01:36:49 · 4 answers · asked by Noah S 1 in Science & Mathematics ➔ Botany
nitrogen for vegetative growth
phosphorous for flowering and root growth
potassium for seed and protection from pests and frosts
magnesium to a plant is like iron to people whereas we have iron as the central molecule of our blood plants have magnesium in their circulatory system..
If you look at the list of minerals and micronutrients on a potent multivitamin you will see a list of trace elements that are both considered essencial for humas but also for plants which like all of those in various amounts depending on type of plant and additionally they also like boron.
Ob1
2006-11-20 04:17:08 · answer #1 · answered by old_brain 5 · 0⤊ 0⤋
All positive and negative ions.But mostly plants absorb nit ates and nitrites . they use them in the protein synthesis.As all of know plants prepare proteins , or they are the main source of protein for the universe.
Apart from the above they absorb iron magnesium for the chlorophyll.
2006-11-20 11:32:33 · answer #2 · answered by red rose 5 3 · 0⤊ 0⤋
BIObaby or something like that i know black tea works too
2006-11-20 09:40:27 · answer #3 · answered by rachie 4 · 0⤊ 0⤋
fertilizers namely nitrates (NO3 -) and ammonia (NH3 +)
ur urine can be used to
2006-11-20 09:46:28 · answer #4 · answered by kcbm 3 · 0⤊ 0⤋