نوع مقاله : مقاله پژوهشی
نویسندگان
1 نویسنده مسئول، عضو هیئت علمی، مرکز تحقیقات کشاورزی و منابع طبیعی استان مرکزی. اراک صندوق پستی: 419-38795.
2 عضو هیئت علمی، مرکز تحقیقات کشاورزی و منابع طبیعی استان مرکزی
3 کارشناس پژوهشی، مرکز تحقیقات کشاورزی و منابع طبیعی استان مرکزی
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
Appropriate management in all steps from planting to harvest together with using suitable colons, could be beneficial to increase wood requirement of the country and alleviate human interventions in natural forests. Rapid growth, suitable physical, chemical and mechanical characteristics of poplars wood is the principals of their different usage. In poplars habitats, weeds are the most common problem from the view point of wood production. The weeds are important as influencing factors to decrease the amount of plant yields; therefore, the first step of wed eradication is the accurate identifying different species and genus of weeds and floristic investigation of the area. In this research which was carried out in Ghareh-chi river side, first of all weeds samples were taken and preparation process including (drying, pressing and sticking on paper) were done in Markazi province herbarium. Than scientific references books and flora were used to identify the weeds species, based on this research 88 species, 72 geniuses and 23 families were introduced. Investigation of life form (Raunkiaer method) indicated Therophytes with 39 species (%44.8) are most abundant and 33 species was annual and 47 species was perennial.
کلیدواژه‌ها [English]
)