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what are the major components of soil?
A- decaying organic matter,broken down rock, microbial organisms
B- less weathered material
C- rock (parent material)
why is soil conservation important?
it is critical to manage the organic components of soil
what are macro- and micro- nutrients and what are their roles in plants?
they are essential nutrients the plants need. they are needed for growth and development of plants
what are the major compounds in plants?
CHOPKNS, Ca, Fe, Mg (C hopkins cafe mighty good)
where does most plant biomass come from?
CO2 from air and water from soil
what are the symptoms of mineral deficiency?
yellowing, reddish purple leaves
what is nitrogen fixation?
it is when N2 from atmosphere is converted to ammonia
what are mycorrhizae?
a symbiotic relationship between fungi and plants roots
what are epiphytes and why do they have unusual nutrition constraints?
they are plants that grow on other plants. they dont have roots in soil or host. they get nutrition from atmosphere and canopy soil
what are the major types of parasitic plants?
mistletoe, dodder, indian pipe
how do carnivorous plants obtain their nutrition?
by capturing and digesting small animals
under what soil conditions are carnivorous plants found?
nitrogen poor soil
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