نتایج جستجو برای: staple food
تعداد نتایج: 273035 فیلتر نتایج به سال:
Plant parasitic nematodes impose losses of up to 70% on plantains and cooking bananas in Africa. Application of nematicides is inappropriate and resistant cultivars are unavailable. Where grown, demand for plantain is more than for other staple crops. Confined field testing demonstrated that transgenic expression of a biosafe, anti-feedant cysteine proteinase inhibitor and an anti-root invasion...
Everyone knows about seasonality. But what exactly do we know? This study systematically measures seasonal price gaps at 193 markets for 13 food commodities in seven African countries. It shows that the commonly used dummy variable or moving average deviation methods to estimate the seasonal gap can yield substantial upward bias. This can be partially circumvented using trigonometric and sawtoo...
The objective of this study was to investigate whether the intake level of a staple food influences the nutritional status of water-soluble vitamins in pregnant Japanese women. Urinary excretion of water-soluble vitamins was used as a biomarker for nutritional assessment. Twenty-four-hour urine samples were collected and vitamin intake was surveyed using a validated self-administered comprehens...
Anyone who has been reading his newspaper lately must realize that a dynamic change is occurring in the world population. I t is presently increasing by 70 million each year. Fu r thermore, by the time your child now in kindergarten is appointed an associate professor in some university, the world population will have doubled to 7 billion souls. But, what has not been so well appreciated is tha...
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