Short answer questions :
Explain the three factors that have enabled the farmers to increase the productivity of their land.
( Answer needed in points )
Answers
Answer;
factors that have enabled the farmers to increase the productivity of their land:
✍Permanent improvements done on land by generating artificial means of irrigation i.e., wells, tubewells, canals, tanks etc. help to keep the water supply regular, have a positive effect.
✍New inventions, modern and scientific methods of production like using high-yielding varieties of seeds, manure, etc. have increased the production.
✍,A farmer can use biofertilisers to increase the productivity of his field.
➯Biofertilisers are the microorganisms which are used for increasing fertility of the soil.
➯This type of farming is known as organic farming.
➯Biofertilisers provide optimum nutrients to crop plants. They enrich the nutrient quality of the soil.
➯They do not cause any environmental pollution.
➯ The main sources of biofertilisers are bacteria, fungi and cyanobacteria.
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