soil sample was taken from an agricultural land and was waits the mass of the soil was found to be 50 gram hundred ml of water was taken in a measuring cylinder and added into the soil sample the soil absorbed 80 ml of water and rest left in the measuring cylinder calculate the absorption rate of the water by the soil please Help me
Answers
Answer:
Soil is one of the most important natural resources. It supports the growth of plants by holding the roots firmly and supplying water and nutrients. It is t he home for many organisms. Soil is essential for agriculture. Agriculture provides food, clothing and shelter for all. Soil is thus an in separable part of our life. The earthy fragrance of soil after the first rain is always refreshing.
Soil Teeming with Life
One day during the rainy season Paheli and Boojho observed an earth worm coming out of the soil. Paheli wondered whether there were other organisms also in the soil. Let us find out.
Activity
Collect some soil samples and observe them carefully. You can use a handlens. Examine each sample carefully. Make a list of the uses of soil.
Polythene bags and plastics pollute the soil. They also kill the organisms living in the soil. That is why there is a demand to ban the polythene bags and plastics. Other substances which pollute the soil are a number of waste products, chemicals and pesticides. Waste products and chemicals should be treated before they are released into the soil. The use of pesticides should be minimised.
Soil Profile
Soil is composed of distinct layers. Perform the following activity to find out how these layers are arranged.
Activity
Take a little soil. Break the clumps with your hand to powder it. Now take a glass tumbler, three quarters filled with water, and then add a handful of soil to it. Stir it well with a stick to dissolve the soil. Now let it stand undisturbed for some time.