Question

Question 3. a) Define hydraulic conductivity and indicate what factors may be important in influencing its value. (6 marks) b) Explain the factors that that might determine the velocity of the flow in a river.(4 marks) (TOTAL: 10 marks) Question 4. Define the following key terms applied to soil properties a) Field capacity b) Wilting point c) Plant available water d) Soil moisture deficit e) Soil suction (10 marks)

Question 4 please my teachers please

Answer 1

a) field capacity :- The mainum anount of wates a soil of rock can hold, as by capillary action before the water is drawn away by gravity. that and b) Wilting point: Wilting point is defined as the maximum amount of water in the soil that the plant requires not to wilt. c) plant available wates:- It is the difference between field Capacity Wilting point. d) Soil moistuse deficit:- Soil moisture detiết is the amount o sain needed to bring the soil moistuse Content back to field capacity Soil Suction:- it may be defined as the state of the Soil tehen it it undes reduced poexsuse staté