Fertilization to supply the nutrient element potassium is often accomplished by which type of application?
A) application of a chelate to the soil
B) incorporation of powdered limestone rock
C) injection of a gas into the soil
D) broadcast of a chloride salt
E) broadcast of the nearly pure element as a solid
Question 2
Fertilization to supply the nutrient element nitrogen is often accomplished by which type of application?
A) incorporation of powdered limestone rock
B) injection of a gas into the soil
C) broadcast of the nearly pure element as a solid
D) broadcast of a chloride salt
E) application of a chelate to the soil