Archive | May 2016

Urea-supergranules and phosphorus application increases irrigated rice yields and agronomic use efficiency in Burkina Faso


By: Bandaogo Alimata, Andrews Opoku, Fofana Bidjokazo, Sansan Youl, Safo Ebenezer, Abaidoo Robert5

  1. Department of Natural Resource Management/ Production Systems, INERA, Bobo-Dioulasso Burkina Faso
  2. Department of Crop and Soil Sciences, KNUST, Kumasi, Ghana
  3. International Fertilizer Development Center, Lomé, Togo
  4. International Fertilizer Development Center, Ouagadougou, Burkina Faso
  5. International Institute of Tropical Agriculture, Ibadan, Nigeria

Nitrogen and phosphorus deficiencies are some of the main factors restricting irrigated rice (Oryza sativa L.) productivity in Burkina Faso. Urea supergranules (USG) have been proven to increase rice yield but this increased productivity is likely to be constrained because P is becoming limiting in irrigated rice systems. Continue reading

Iranian Pimpinella L. (Apiaceae): A taxonomic revision – JBES An open access research journals


By: Maryam Khajehpiri, Sogol Fereidounfar, Valiollah Mozaffarian, Farrokh Ghahremaninejad

  1. Department of Biology, Faculty of Sciences, University of Isfahan, Isfahan, Iran
  2. Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
  3. Department of Botany, Research Institute of Forests and Rangelands, Tehran, Iran

In the family Apiaceae subfamily Apioideae, the genus Pimpinella L. with about 150 species is one of the largest genera. This widespread and taxonomically complex genus has 20 species distributed throughout Iran, of which, eight species are endemic. Continue reading