The Green Walls of Protection

The Principles of 'Shelter-belts' and 'Wind-breaks' and their various advantages are explained. Wind erosion can be checked by belts. Different types of 'belts', and also their orientation, form, width, density and length are discussed. Regarding their 'sheltering effect' a brief note is given of findings in other countries. The great shelter-belt projects of America, Russia and China are also explained. The article concludes with remarks that the overall increase in yield offsets the losses due to ischolar_main competition ("sapping effects") and shade of the 'belts'. Species suitable for 'belts' and 'wind-breaks' are also mentioned.