WATER CYCLE AND ITS IMPORTANCE

Water cycle:, cycle is defined as the continuous movement of water from the atmosphere to the earth and from the earth to the atmosphere. The water cycle shows the continuous movement of water within the Earth and atmosphere in the form of gas, liquid and solid state. It is a system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain, read more here

How the atmosphere receives water through water cycle

v. Water facilitates enzymatic activities occurring in crop plants
vi. It is a constituent of plant protoplasm
vii. The loss of water through transpiration is important for keeping the stomata open in gaseous exchange for respiration and photosynthesis
viii. It has a cooling effect on crops-
ix. It helps to maintain plant tugor or turgidity
x. It helps to sustain life through the water cycles
xi. It helps in seed germination

Forms in which water exists in the soil

The form in which water exists in the soil include:
i. Hygroscopic water
ii. Capillary water

water cycle

iii. Gravitational water

Ways of conserving water in the soil during water cycle

i. Stoppage or reduction of surface water run – off
ii. Addition of human or organic manure
iii. Removal of weeds to reduce transpiration and water loss
iv. Mulching
v. Cover cropping
vi. Contour ridging can prevent water loss during water cycl
vii. Appropriate tillage
viii. Strip cropping

  1. economic tools for nation building
  2. budgeting
  3. factors affecting the expansion of industries
  4. mineral resources and the mining industries
  5. demand and supply

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