Synthetic fertilizers are easy to apply in ………….from.
a) granular
b) liquid
c) gas
d) both a & b
Most organic fertilizer are derived from plant and animals like…………
a) manure
b) bone
c) blood
d) all of these
…………are artificially prepared.
a) synthetic fertilizer
b) organic/natural fertilizer
c) both a & b
d) none of these
Synthetic fertilizer leach from the soil with ……….and can be used by plants instantly.
a) painting
b) cutting
c) watering
d) all of these
In synthetic fertilizer, N, P & K is about ……
a) 20 to 60 %
b) 20 to 30 %
c) 20 to 40 %
d) 20 to 90 %
In organic fertilizer, Nitrogen, Phosphorous and potassium is about…………
a) 13 %
b) 14 %
c) 15 %
d) 16 %
