نتایج جستجو برای: indigenous crops
تعداد نتایج: 71728 فیلتر نتایج به سال:
Indigenous rhizobia in soil present a competition barrier to the establishment of inoculant strains, possibly leading to inoculation failure. In this study, we used the natural diversity of rhizobial species and numbers in our fields to define, in quantitative terms, the relationship between indigenous rhizobial populations and inoculation response. Eight standardized inoculation trials were co...
In today’s debates on transgenic, or genetically modified (GM), crops for third world farmers, some of the most diverse positions have come from the third world itself. For instance, Indian physicist-cum-activist Vandana Shiva is one of the world’s most potent opponents of GM crops, while Kenyan biologist Florence Wambugu is a leading proponent (and practitioner) of crop genetic modification an...
The South American tomato leafminer, Tuta absoluta Meyrick (Lepidoptera: Gelechiidae), is an invasive Neotropical pest. After its first detection in Europe, it rapidly invaded more than 30 Western Palaearctic countries becoming a serious agricultural threat to tomato production in both protected and open-field crops. Among the pest control tactics against exotic pests, biological control using ...
he forest cover in the Xishuangbanna Prefecture of China’s Yunnan Province has decreased significantly, from 62.5% in 1950 to only 33.9% in 1985. According to the government census, the population has increased from 200,000 to nearly 800,000 over roughly the same time. Indigenous people, particularly swidden cultivators, are often blamed for destroying the forests of Xishuangbanna. The concept ...
The Green Revolution has enabled Asian countries to boost their crop production enormously. However, Africa has not benefitted from this agricultural revolution since it did not consider local, but important crops grown in the continent. In addition to their versatile adaptation to extreme environmental conditions, African indigenous crops provide income for subsistence farmers and serve as sta...
In the following study, we analyze the usage of Twitter during four scientific conferences with focus on humanities and computer science. Automated analyses of tweets, retweets and @-messages were performed as well as an intellectual analysis of the tweets’ contents.
Canadian and international guidelines address the ethical conduct of health research in general and the issues affecting Indigenous populations in particular. This statement summarizes, for clinicians and researchers, relevant ethical and practical considerations for health research involving Aboriginal children and youth. While not intended to duplicate findings arising from lengthy collaborat...
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