نتایج جستجو برای: in modern agriculture

تعداد نتایج: 17010793  

Journal: :Trends in plant science 2008
Ruairidh J H Sawers Caroline Gutjahr Uta Paszkowski

The majority of terrestrial plants live in association with symbiotic fungi that facilitate mineral nutrient uptake. The oldest and most prevalent of these associations are the arbuscular mycorrhizal (AM) symbioses that first evolved approximately 400 million years ago, coinciding with the appearance of the first land plants. Crop domestication, in comparison, is a relatively recent event, begi...

2013
Arjen VanDoorn Martin de Vos

Plants and herbivores have co-evolved in their natural habitats for about 350 million years, but since the domestication of crops, plant resistance against insects has taken a different turn. With the onset of monoculture-driven modern agriculture, selective pressure on insects to overcome resistances has dramatically increased. Therefore plant breeders have resorted to high-tech tools to conti...

2009
Stephen Machado

I ntercropping—growing two or more crops at the same time on a single field—is an ancient practice still used in much of the developing world. For example, in Africa, corn (Zea mays L.), sorghum (Sorghum bicolor (L.) Moench), or millet (Panicum and Pennisetum spp.) are grown with pumpkin (Cucurbita spp.) cowpeas (Vigna unguiculata (L.) Walp), pigeon peas (Cajanus cajan (L.) Millsp.), or beans (...

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
solieman rasouliazar assistant professor of agricultural management, mahabad branch, islamic azad university, mahabad, iran maryam sadeghi msc student of agricultural management, mahabad branch, islamic azad university, mahabad, iran nouraldin shayesteh professor of plant protection, mahabad branch, islamic azad university, mahabad, iran

organic agriculture, sometimes called biological or ecological agriculture, combines traditional conservation-minded farming methods with modern farming technologies .the purpose of this research was to identify management skills in development of organic agriculture in west azerbaijan province (iran) farms. the target population of this research included all agricultural experts who work in we...

Journal: :Journal of Rural Problems 1977

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه هنر - دانشکده سینما و تئاتر 1387

since the modern art is chosen to discuss, it means a wide expansion of art courses are affected by modernism that enter to the new realms. because of expanded subject, lack of sources and also the close relationship between painting and animation, this thesis emphasizes on the painting and it is recommended to use the phrase “modern painting” instead of modern art (which is more general). thi...

Journal: :International Journal of Current Microbiology and Applied Sciences 2021

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