| Nitrate retention and physiological adjustment of maize to soil amendment with superabsorbent polymers AE Eneji, R Islam, P An, UC Amalu Journal of Cleaner Production 52, 474-480, 2013 | 121 | 2013 |
| Agricultural research and extension delivery systems in sub-Saharan Africa UC Amalu University of Calabar Press, 1998 | 106 | 1998 |
| Effect of rice husk ash and phosphorus on some properties of acid sands and yield of okra PB Okon, JS Ogeh, UC Amalu Communications in soil science and plant analysis 36 (7-8), 833-845, 2005 | 49 | 2005 |
| Plant biotechnology and food crop development in Sub-Saharan Africa UC Amalu Technology in society 26 (4), 537-550, 2004 | 32 | 2004 |
| Soil water balance and grain yield of sorghum under no-till versus conventional tillage with surface mulch in the derived savanna zone of southeastern Nigeria SE Obalum, UC Amalu, ME Obi, T Wakatsuki Experimental Agriculture 47 (1), 89-109, 2011 | 27 | 2011 |
| Poverty alleviation and agriculture in sub-Saharan Africa: the Nigerian experience. UC Amalu | 26 | 2005 |
| Evaluation of properties of selected soils of cross river area and their management for increased cassava yields. UC Amalu | 23 | 1998 |
| Evaluation of phosphorus status of some soils under estate rubber (Hevea Brasiliensis Muel. Agro.) trees in Southern Cross River State EE Attoe, UC Amalu Global journal of Agricultural sciences 4 (1), 55-61, 2005 | 20 | 2005 |
| Using weed to fight weed P Okon, U Amalu LEISA-LEUSDEN- 19, 21-21, 2003 | 18 | 2003 |
| Food security: sustainable food production in Sub-Saharan Africa UC Amalu Outlook on agriculture 31 (3), 177-185, 2002 | 18 | 2002 |
| Constraints and opportunities in agricultural utilization of some wetland soils in Akwa Ibom State. IN Onyekwere, AU Akpan-Idiok, UC Amalu, DO Asawalam, PC Eze Soil Science Society of Nigeria., 2001 | 17 | 2001 |
| Land capability and soil suitability of some acid sand soil supporting oil palm (Elaeis guinensis Jacq) trees in Calabar, Nigeria UC Amalu, IA Isong Nigerian Journal of soil science 25, 92-109, 2015 | 12 | 2015 |
| Forms and Status of Potassium in Some Soils Supporting Oil Palm (Elaeis guineensis, Jacq) Plantations in Cross River State, Nigeria OB Iren, UC Amalu Communications in soil science and plant analysis 43 (14), 1949-1962, 2012 | 7 | 2012 |
| Status and spatial variability of soil properties in relation to fertilizer placement for intercrops in an oil palm plantation in Calabar, Nigeria UC Amalu, IA Isong Nigerian Journal of Crop Science 5 (2), 58-72, 2018 | 6 | 2018 |
| Survey of properties and constraints of the acid sands of Mid-West Nigeria to higher yields of Rubber (Hevea brasiliensis,. Muell. Arg.) trees UC Amalu Nigeria Journal of Agricultural Science 6, 34-40, 1992 | 6 | 1992 |
| The distribution of nutrient elements in the leaves of Nigerian tall coconut UC Amalu, DO Ataga, U Omoti Nigerian J. Palms and Oil Seeds 9 (2), 15, 1988 | 6 | 1988 |
| Properties and fertility status of soils supporting pineapple (Ananas comosus L. Merr) in select communities of Cross River State, South-East Nigeria UC Amalu Nigeria Journal of Crop Science 3 (1), 78-91, 2016 | 5 | 2016 |
| Physical properties of the mountain soils of cross River State, Nigeria A Essoka, I Ibanga, U Amalu Nigerian Journal of Soil Science 19 (2), 2009 | 5 | 2009 |
| Physical properties and moisture retention characteristics of some coastal plain soils in Calabar South-East Nigeria. UC Amalu, NRB Antigha | 5 | 2000 |
| Impact of long-term landuse with fertilizer application on the soil properties of a commercial cassava farm GO Obigbesan, UC Amalu Soil Fertility, Soil Tilth and Post Clearing Land Degradation in the Humid …, 1985 | 5 | 1985 |
OKON, Paul BasseyDept of Soil Science, University of CalabarVerified email at unical.edu.ng
