نتایج جستجو برای: sahand rangelands

تعداد نتایج: 2475  

Journal: :ecopersia 2013
davoud akhzari farhad ghasemi aghbash

vetiver grass is known to survive under diverse soil and water conditions. in order to test its potential of salinity and aridity tolerance ability, the effect of salinity and aridity stress on the growth of the vetiveria zizanioides was studied by growing plants in arid soils that receiving salinity stress. the experiment was conducted in a greenhouse, arrangement in a completely randomized de...

Journal: :به نژادی گیاهان زراعی و باغی 0
مهدی فلاح دانشجوی سابق کارشناسی ارشد گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه شاهد، تهران، ایران یاور شرفی استادیار گروه علوم باغبانی، دانشکدۀ کشاورزی، دانشگاه شاهد، تهران، ایران موسی رسولی استادیار گروه مهندسی فضای سبز، دانشکدۀ کشاورزی، دانشگاه ملایر، همدان، ایران علی ایمانی دانشیار، بخش باغبانی، مؤسسۀ تحقیقات اصلاح و تهیۀ نهال و بذر، کرج، ایران

almond is one of the most important species of genus prunus. most almond cultivars and genotypes are self-incompatible and some of others are cross-incompatible. in this study compatibility and frequency pollen tube penetrate in the ovary were performed in three groups. the first group included the genotype a9.7 as female parent and tuono with genotypes a230, a10.11, a8.39 as male parents, the ...

1999
Charlotte Boyd Roger Blench David Bourn Liz Drake Peter Stevenson

From the perspective of local livelihoods this paper explores the complex interactions between wildlife, livestock and people, and options for integrated wildlife and livestock management in the semi-arid rangelands of eastern Africa. The paper draws on the sustainable livelihoods approach which explicitly considers whether households have access to the assets required to engage in an activity,...

Journal: :Journal of Range Management 1974

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