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Biology - Crop Protection
In this lesson you will understand the sources of irrigation such as wells, tube wells, ponds, lakes, rivers, dams and canals. You will also be able to describe the traditional methods of irrigation such as moat (pulley-system), chain pump, dhekli and rahat (lever system) and modern methods such as sprinklers and drip system.
Biology-Crop Protection-Summary
This section will give you a summary of the lesson - Crop Protection
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