CRSS 4590 Exam 1 Questions With Correct Answers

CRSS 4590 Exam 1 Questions With
Correct Answers

what |do |plants |need?

-CO2

-light

-temperature

-water

-nutrients




what |is |soil |productivity?

capacity |of |a |soil |to |support |the |production |of |a |specific |crop




soil |productivity |is |measured |in |terms |of

yield/biomass




soil |productivity |depends |on

-adequate |moisture |and |soil |nutrients

-favorable |climate |(temperature, |light |availability)

, soil |fertility

soils |capability |to |supply |elements |essential |for |plant |growth




soil |fertility |is |measured |directly |by

concentration |of |nutrients




soil |fertility |is |measured |indirectly |by

productive |capacity




how |can |soil |fertility |be |improved?

by |adding |nutrients




how |can |we |optimize |crop |productivity

with |soil |productivity |and |soil |fertility




what |contributes |to |the |growth |we |see |in |agricultural |production |?

availability |of |synthetic |fertilizers, |genetics, |pesticides, |etc




the |use |of |synthetic |fertilizers |can |have |an |affect |on |our |soil |and |hav |an |____

environmental |impact