This course explains:
§
The concept and characteristics of drylands (climate - soil -
vegetation), classification of drylands, global distribution of drylands, the
climate and soil of Libyan.
§
Tree nursery techniques: the choice of nursery site, types of nurseries,
layout and size of the nursery, shading and protection, watering requirements.
Collection, storage, testing and pretreatment of seeds. Types of seedlings and
containers, physical and chemical properties of growing media, seed beds, seed
sowing, transplanting of seedlings. Damping off. Hardening. The concept and
determination of seedling quality.
§
Establishment and management of forest plantation: the objectives of
afforestation, site and species selection, preparation of planting site, timing
of planting, planting of containerized seedlings, spacing and arrangement of
planting, protection of plantation forest, maintenance of a forest plantation, agricultural
and harvesting operations, the most important trees and shrubs suitable for
afforestation to the local environment "Libya".
§ Windbreaks: concept, types
and benefits of windbreaks, the competition between windbreaks and agricultural
crops, Basic design criteria of windbreaks, selection of species, planting and
management of windbreaks, identifying and describing of some tree and shrubs
suitable for plantation as a windbreaks and sand dune stabilization in Libya.
By the end of the course the student will be
able to
§ Explains the concept,
distribution, classification, ecological characteristics, and ecological,
social and economic benefits of dryland regions.
§ Mentions the roles of site
and species selection.
§ Explains the agricultural
treatments that are carried out on trees, from planting to harvesting.
§ Explains the basics design
criteria of windbreaks, planting and management of effective windbreaks.
§ Describes the agricultural
operations in nurseries, methods of propagation of forest tree seedlings,
methods of evaluating seedling quality, and seedling disease controlling.
