Reclaiming waste land is one of the advantages of using irrigation. Like you find that some pieces of land have been rendered useless because of their inability to produce crops due to lack of water. It is very possible to make such pieces of lands to be agriculturally productive again since there are different methods of irrigation that can be applied. As a result, it is going to lead to an increase in food production thus reducing poverty in arid and semi-arid areas. On the other hand, this soil is also going to retain their moisture.
Irrigation can also help in controlling the weeds. This plants often grow in the wrong place. Like we have other methods of irrigation that only applies water to the foot of the plant like drip and sprinkler irrigation. As a result, this is going to deprive the weeds seeds of moisture to germinate. This is going to make you to spend less time removing weeds as compared to when it had covered the whole far. You will as well save a lot of energy that you that you will use in doing other necessary things. Another benefit of this is that your crops are going to be healthy since weeds always compete with crops for important nutrients and they also spread some crop diseases.
It also a sure way of getting the harvest. You find that irrigation does not depend on the natural resources. Once there is a constant source of water supply throughout the growing period, you will be able to produce your crops even if there is no rainfall. Unlike rainfall which may disappear when the crops are at critical conditions which may go reverse to your expectations. It is secure to use irrigation than natural rainfall.
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Another thing is that irrigation saves time. With increased technology irrigation systems can also be installed to pump water automatically to the plants. With this you will save time to do other important things. Apart from that you will also save a lot of energy that you would have used in watering the plants.
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With the irrigation people are also able to grow pasture. As a result, there have been an increased number of livestock because of more pasture. This has led to realization of an increased amount of milk and meat. Not only that, it has also led to maintenance of pasture.
Another thing is that it has greatly helped in maintaining soil nutrients. On most cases rain water does carry top fertile soils away leaving the soil infertile. Some types of irrigation will ensure that the nutrients seep in through the soil thus maintaining soil nutrients.