SATT ACADEMY

New to Satt Academy? Create an account


or

Log in with Google Account

Test Mode Reading Mode Right = 0 Wrong = 0

E ইউনিট : 2016-2017 || রাজশাহী বিশ্ববিদ্যালয় || 2016

সাধারণ জ্ঞান

Ask Question?

সাধারণ জ্ঞান

মঙ্গল
শনি
বৃহস্পতি,
প্লুটো
BANGLADESSH AGRICULTURAL RESEARCH INSTITUTE
BANGLADESH AGRICULTURE RESEARCH INSTITUTE
BANGLADESH AGRONOMICAL RESEARCH INSTITUTE
BANGLADESH AGRICULTURAL RESEARCH INSTITUTION
মেজর রফিকুল ইসলাম
এয়ার কমোদর এ কে খন্দকার
মেজর শফিউল্লাহ
কেউ নয়

erosion is regarded not merely as the physical removal of soil by water and wind, but rather as the ass deterioration of all the component parts of the habitat in Which man and his crops and livestock have to exist. Since there is no conclusive evidence for any major climatic in change in historic times to explain this deterioration, we  must conclude that the eroding of the total environment has been due primarily to thoughtless destruction of the vegetative cover. This has led to deterioration of the micro climate above and below the surface, generally in the | direction of a general drying out of the soil which has exposed it to erosive action of wind and rainfall of high intensity or frequency, and to the loss of organic matter in the soil, thus reducing its capacity to resist erosion by conserving the water that falls on the surface, If everything Possible is done within the total environment to _conserve the naturally planted or cultivated vegetation, this will also sure optimal conservation of soil and water.