United Nations Economic and Social Commission for Western .
التكنولوجيا المتطورة في الزراعات التقليدية; التكنولوجيا المتقدمة في الزراعات التقليدية Adventice عَرَضي Adverse climatic event Weather conditions, such as frost, storms and hail, ice, heavy rain or severe drought, which can be assimilated to a natural disaster.