Question
In which type of farming the fertility of soil is
restored naturally ?Solution
Shifting Cultivation, also known as Swidden agriculture, refers to a technique of rotational farming in which land is cleared for cultivation and then left to regenerate after a few years. The burnt soil contains potash which increases the nutrient content of soil.
In a Bag, there are 20 Hairbands of three different colours; red, blue, and black. The probability of picking 2 red Hairbands at ...
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