All given statements are correct Growing of two or more than two crops simultaneously on the same piece of land is called inter-cropping. It yields higher productivity per unit area. It is mostly prevalent in plantation crops like coconut and areca nut. Main objectives of intercropping are:Insurance against total crop failure under aberrant weather conditions or pest epidemicsIncrease in total productivity per unit land areaJudicious utilization of resources such as land, labor and inputs
The Narmada river creates the conventional border between South India and North India. The river runs to the west for a span of 1,312 km and flowed through the Gulf of Khambat (Cambay) into the Arabian Sea, in Gujarat. Like the Mahi River and the Tapti River, the Narmada River is a river flowing from east to west.