revetment of slopes
11Christmas tree cultivation — A Christmas tree farmer in the U.S. state of Florida explains the pruning and shearing process of cultivation to a government employee. Christmas tree cultivation is an agricultural, forestry, and horticultural occupation which involves growing… …
12Haor — A haor ( bn. হাওর) is a wetland ecosystem in the north eastern part of Bangladesh which physically is a bowl or saucer shaped shallow depression, also known as a backswamp.MK Alam; Wave attack in Haor areas of Bangladesh and cement concrete… …
Страницы
- 1
- 2
