In a soil testing laboratory, four soil samples from a horticulture farm were tested for thierry relative acidity and alkalinity by measuring their ph with the of ph meter. ouick lime is an alkaline agrochemicals used to control soil ph.
which soil is unlikely to need quick lime to make it neutral for healthy plant growth.
a. soil ph 6.7
b. soil ph 5.2
c. soil ph 4.7
d. soil ph 3.2