What causes sap to leak out of pine and maple trees?
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what the association between blue-green algae and fungi is called?
is viroid virus and why?
explain tissue culture and crone?
Which country grows the maximum amount of sugarcane?
Does peepal tree (Fficus religiosa ) release oxygen all times ( day as well as night ) unlike normally trees?
what are the advantages of nitrogen and phosphorus in plant fertilizers?
Does oxygen and hydrogen map up water?
Is the pontsettia plant poisonous?
ginger is a root or a stem?
the first land inhabitating plants are
What plants ate not green ?
what is meant by hydroponics?