soil holds very little water
Answers
Answer:
sand.is the type of soil which holds very little water because the sand(SiO2) particles are loose unabling it too hold water
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 the home for many organisms. Soil is essential for agriculture. Agriculture provides food, clothing and shelter for all. Soil is thus an inseparable part of our life. The earthy fragrance of soil after the first rain
is always refreshing.
9.1 SOIL TEEMING WITH LIFE
One day during the rainy season Paheli and Boojho observed an earthworm coming out of the soil. Paheli wondered whether there were other organisms also in the soil. Let us find out.
Activity 9.1
Collect some soil samples and observe them carefully. You can use a hand lens. Examine each sample carefully and fill in Table 9.1.
Discuss your observations with your friends.
Are the soil samples collected by your friends similar to the ones collected by you?
Boojho and Paheli have used soil in many ways. They enjoy playing with it. It is a great fun indeed. 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