نتایج جستجو برای: crop sector

تعداد نتایج: 184772  

2016
D. Khodadadi Dehkordi

Current climate change is projected to have significant effects on temperature and precipitation profiles, increasing the incidence and severity of drought. Drought is the single largest abiotic stress factor leading to reduced crop yields. Given the large share of water use in the agriculture sector and very low efficiency in this sector, selection and development of the new strategies to impr...

2016
Mark W. Rosegrant Timothy S. Thomas

FOR MOST COUNTRIES, HIGH PRODUCTIVITY GROWTH IN THE AGRICULTURAL SECTOR HAS BEEN A KEY DRIVER of structural transformation promoting long-term economic growth. Historically, low agricultural productivity growth has hindered economic growth and employment creation in the Philippines, where agriculture—which accounts for one-third of employment—remains a key sector. Climate change has the potenti...

2006
Kingshuk Roy

Although Japan is well known as an industrialized country rather than an agricultural one, agriculture is treated as a very important sector for its cultural and environmental perspectives. Only 15% of Japan's land is suitable for cultivation, but the agricultural economy is highly subsidized and protected. With per unit area crop yields among the highest in the world, agriculture sector still ...

Journal: :New biotechnology 2010
Jonathan Gressel

The developing world has many unique constraints to crop production and, lacking inputs, they are best overcome if solutions are seed borne. Classical breeding cannot overcome many of these constraints because the species have attained a 'genetic glass ceiling', the genes are not available within the species. Transgenics can supply the genes, but typically not as 'hand me down genes' from the d...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2007
Pedro Sanchez Cheryl Palm Jeffrey Sachs Glenn Denning Rafael Flor Rebbie Harawa Bashir Jama Tsegazeab Kiflemariam Bronwen Konecky Raffaela Kozar Eliud Lelerai Alia Malik Vijay Modi Patrick Mutuo Amadou Niang Herine Okoth Frank Place Sonia Ehrlich Sachs Amir Said David Siriri Awash Teklehaimanot Karen Wang Justine Wangila Colleen Zamba

We describe the concept, strategy, and initial results of the Millennium Villages Project and implications regarding sustainability and scalability. Our underlying hypothesis is that the interacting crises of agriculture, health, and infrastructure in rural Africa can be overcome through targeted public-sector investments to raise rural productivity and, thereby, to increased private-sector sav...

Dariush Rahimi Fariba Salahshour,

In present world, inequality and uncertainty is high in section of agriculture production and food security of a great amount of people in developing countries is not supplied. Based on studies of international organizations, about a third of produced food for human consumption in worldwide is lost or wasted. While in developing countries, there is price enhancement, decrease in access to healt...

Agricultural Extension services are among the most important rural services in developing countries. The services are considered to be a key driver of technological change and productivity growth in agriculture. In Kenya, like in the rest of the developing economies, agricultural extension has largely been delivered through supply–driven approaches. Due to perceived low impact of agricultural e...

2015
Ognjen Zurovec Bishal Kumar Sitaula

Half of Bosnia and Herzegovina’s (BH) population lives in rural areas. Agricultural production is a backbone of the rural economy and generates significant economic value for the country. BH is highly vulnerable to climate change, which poses a significant development challenge given the climate-sensitivity of the agricultural sector, the share of agriculture in the total economy, the number of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده کشاورزی 1392

یکی از چالش های موجود در بخش کشاورزی مناطق خشک ازجمله ایران افزایش دادن تولیدمحصول به ازاء واحد حجم آب مصرفی است. کم آبیاری یکی از استراتژی های افزایش کارآیی مصرف می باشد. موفقیت استراتژی کم آبیاری تا حدود زیادی بستگی به شناسایی عوامل تأثیرگذار در رشد و نمو و نحوه پاسخ گیاه هدف به این عوامل دارد. کاربرد توابع ریاضی و مدل های شبیه سازی رشد گیاهان کمک زیادی برای نیل به این هدف می کنند. در این مطا...

Journal: :international journal of advanced biological and biomedical research 2014
dariush rahimi fariba salahshour

in present world, inequality and uncertainty is high in section of agriculture production and food security of a great amount of people in developing countries is not supplied. based on studies of international organizations, about a third of produced food for human consumption in worldwide is lost or wasted. while in developing countries, there is price enhancement, decrease in access to healt...

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