Indian Geography
Which among the following steps are useful to prevent soil erosion?1. Afforestation2. Contour Ploughing3. Prohibition of shifting cultivation4. Flood controlChoose the correct option from the codes given below :
The useful steps to prevent soil erosion are Afforestation, Contour Ploughing, Prohibition of shifting cultivation, Flood control, Restoration of long fallow, reclamation of alkaline and saline soil.
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
Pre-monsoon rainfall in Karnataka and Kerala is known as mango shower (also known as April rains or summer showers). It helps in the ripening of mangoes.
Withering is used to remove excess water from the leaves and allows a very slight amount of oxidation. The process is also important in promoting the breakdown of leaf proteins into free amino acids and increase the availability of freed caffeine, both which change the taste of the tea.