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  Crop Rotation:  rop rotation is the practice of planting different crops in the same farm to enhance soil
           fertility and maintaining the bind of the soil.

















          Rain Water Harvesting: It is a technique of collection and storage of rain water into natural reservoirs or
           tanks. Rooftop harvesting is a kind of rain water harvesting so that the rain water does not get wasted and
           drinking water is saved.






















        Importance of Sustainable Development
        Environmentally sustainable development refers to the growth that meets the needs of all without leading
        the future generation to dearth of natural resources.  here is a difference in being stingy and being wise for
        sustainable development. The society and humans often waste huge amounts of natural resources which is
        not wise.
        Society can play an important role for saving the natural resources and in sustainable development. Many
        resources can be saved if excessive artificial production along with logistics can be curtailed. For example  in
        marriage parties plenty of food gets wasted, this should be avoided and one must ensure to take only that
        much of food on plate which is required and  cook only limited items for parties. Similarly, some measures can
        be taken by people to avoid pollution and promote sustainable development like using one's own vehicles
        only if needed and using public transport or car pooling. This will also reduce the number of vehicles with
        multiple people, this will also reduce the numbers of vehicles on road.
        Sustainable development is important due to the following reasons:

          Reduces Wastage: Sustainable development teaches wise use of resources. The use of mineral oil, drinking
           water, forest products, insecticides, chemical fertilizers, etc. should be minimised. This will lead to minimum
           use of means and resources for maximum benefit without wastage and will help in more economic growth.
          Healthy Food: With the growth in population, farming has also been increased. If unsustainable cultivation,
           planting, irrigation, pesticides and chemicals and harvesting techniques are utilised continuously, the soil
           may lose its fertility.



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