Geography

Shales are fine-grained sedimentary rocks formed of organic-rich mud at the bottom of ancient seas.Subsequent sedimentation and the resultant heat and pressure transformed the mud into shale and also produced natural gas from the organic matter contained in it. Over long spans of geologic time, some of the gas migrated to adjacent sandstones and was trapped in … Read more

(a)Great lakes  Great Lakes of North America are a series of interconnected freshwater lakes which connect to the Atlantic Ocean through the Saint Lawrence Seaway.Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario . Superior, Huron, Michigan, Erie, and Ontario [In the order of largest to smallest].Lake Superior is the largest continental lake in the … Read more

Andes:  Longest continental mountain range in the world.  They are   found in South America. They formed due to ocean-continent collisions and subduction of oceanic crust beneath the south American plate. Mount Aconcagua is the highest peak.( 6962m) The rocky mountains:   They are fold mountains found in the western margi of the North American continent. They … Read more

Sustainability means keeping an effort going continuously. So, sustainable agriculture means successful management of resources for agriculture to satisfy the changing human needs, while maintaining or enhancing the quality of environment and conserving natural resources. Sustainable agriculture can be achieved by adopting; Mixed farming Mixed cropping Crop rotation Crop selection Varietal improvement   Q3.               Coalitions government … Read more

Poultry is the rearing of domesticated fowl (chicken), ducks, geese, turkey and some varieties of pigeon for their meat and eggs. The specialized meat-producing poultry birds are called broilers while egg-laying poultry birds are called layers. The tremendous rise in the availability of poultry products is called Silver Revolution. Variety improvement is done by cross-breeding … Read more

The practice of cultivating two or more crops simultaneously on the same piece of land is called mixed cropping. During mixed cropping, if one crop faces adverse conditions or pathogen attack then the other crop can be saved.The basic objective in mixed cropping is to minimize the risk and insure against the crop failure due to … Read more

Climate change is inevitable. The best strategy to deal with climate change is adoption of practices to make our farming more resilient. ICAR has launched a network of project called NICRA. It stands for National innovation on climate resilient agriculture. The salient features of NICRA are as follows:   It takes into account the critical … Read more

The practice of growing two or more crops simultaneously in a same field in definite row pattern is called intercropping. The row pattern may be in the ratio of 1:1, 1:2, and 1:3. It means after one row of main crop, one, two, or three rows of intercrops can be grown. Objective of intercropping: The basic objective … Read more

Horticulture is the branch of agriculture concerned with intensively cultured plants directly used by man for food , for medicinal purpose or for aesthetic gratification.Horticulture is the science and art involved in the cultivation, propagation, processing and marketing of ornamental plants, flowers, turf, vegetables, fruits, and nuts.   The following are the benefits attached with … Read more