نتایج جستجو برای: agricultural structure
تعداد نتایج: 1663136 فیلتر نتایج به سال:
Recent Understanding on Structure, Function and Evolution of Plant Disease Resistance Genes T R SHARMA1*, A DAS2, S THAKUR1 and B L JALALI3 1National Research Center on Plant Biotechnology, Indian Agricultural Research Institute, Pusa Campus, New Delhi 110 012, India 2Crop Improvement Division, Indian Institute of Pulses Research, Kanpur 208 024, (UP), India 3Chaudhary Charan Singh Haryana Agri...
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
Compartmentalised extension prohibits the uptake of new technology thereby inhibiting agricultural growth. Extension services aimed at increased agricultural growth should have a market-led and evidence-based pluralistic advisory system that is coordinated by the government’s Agricultural and Technical Services division in response to the needs of farmers. This study sought to assess extension ...
BACKGROUND Past and current range or spatial expansions have important consequences on population genetic structure. Habitat-use expansion, i.e. changing habitat associations, may also influence genetic population parameters, but has been less studied. Here we examined the genetic population structure of a Palaeartic woodland butterfly Pararge aegeria (Nymphalidae) which has recently colonized ...
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