Introduction ,Soil moisture in Cinchona growing regions may fluctuate greatly with seasonal changes in rainfall; prolonged droughts are experienced almost annually. On the other hand, during the peak of the rainy season the same soils may remain at or near saturation for extended periods. For example, at the Toro Negro National Forest in Puerto Rico, where Cinchona is being grown experimentally...

introduction since 1938, a couple of decades before iranian's revelation, attention to villages and rural development as a part of developmental process in national scale and also in order to analyze social, political, and economical changes has been discussed as a vital part and acted a major part in development policies. however, this attention and dedication to the program are results o...

Abstract The deficiencies of micronutrients known as hidden hunger are severely affecting more than one-half the world’s population, which is highly related to low bioavailability micronutrients, poor quality diets, and consumption cereal-based foods in developing countries. Although numerous experiments proved biofortification a paramount approach for improving around world, its effectiveness ...

A 6-week-old infant is presented who suffered from a congenital haemorrhagic disorder which caused death from subdural haemorrhage following mild trauma. Haematological investigation revealed deficiencies of factor VII and Christmas factor. Prower-Stuart factor was probably also deficient although investigation of this clotting factor was carried out only on serum obtained at necropsy.

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Trace elements mean elements present at low concentrations (mg kg-1 or less) in agroecosystems. Some trace elements, including copper (Cu), zinc (Zn), manganese (Mn), iron (Fe), molybdenum (Mo), and boron (B) are essential to plant growth and are called micronutrients. Except for B, these elements are also heavy metals, and are toxic to plants at high concentrations. Some trace elements, such a...