Selamat Datang Ke
LAMAN WEB PERIBADI
Dr.
Ahmed Osumanu Haruna
FAKULTI SAINS PERTANIAN DAN MAKANAN
Laman Utama Profail Sukan & Masa Lapang Galeri Foto Pautan Menarik
dapatkan nombor telefon dan faks saya hantar email kepada saya
PROFAIL

MAKLUMAT PERIBADI
SAPAAN : Dr.
NAMA : Ahmed Osumanu Haruna
JAWATAN HAKIKI : Profesor Madya
PTJ : Fakulti Sains Pertanian Dan Makanan



PENERBITAN (KMPORTAL)
Use of clinoptilolite zeolite to reduce Christmas Island Rock Phosphate use Zea mays cultivation on an acid soil 2014
Partitioning of soil carbon dioxide emission and dissolved organic carbon leaching in drained tropical peatland 2014
Partitioning carbon dioxide emission and assessing dissolved organic carbon leaching of a drained peatland cultivated with pineapple at Saratok, Malaysia. 2014
Reducing Christmas Island rock phosphate use in Zea mays cultivation on an acid soil using humic acids 2014
Use of clinoptilolite zeolite on selected soil chemical properties, dry matter production, nutrients uptake and use efficiency of Zea mays cultivated on an acid soil 2014
Availabilty of inorganic nitrogen and potential nitrification rate in peat soil under oil palm cultivation 2014
Variability on Growth and Storage Roots Yield in Cassava under Three Planting Methods 2014
EFFECT OF POLYTHENE-COVERING ON ABOVE-GROUND TUBERIZATION AND STORAGE ROOTS YIELD IN CASSAVA (Manihot esculenta Crantz) 2014
Use of clinoptilolite zeolite to mitigate nitrogen loss during co-composting of paddy husk and chicken manure 2014
Improving Phosphorus Availability in an Acid Soil Using Organic Amendments Produced from Agroindustrial Wastes 2014
EFFECT OF PLANTING METHODS ON GROWTH AND YIELD OF CASSAVA (Manihot esculenta Crantz) GROWN WITH POLYTHENE-COVERING 2014
Maize (Zea mays L.) nutrient use efficiency as affected by formulated fertilizer with Clinoptilolite Zeolite 2014
Antagonistic Activities of Endophytic Bacteria against Fusarium Wilt of Black Pepper (Piper nigrum). 2013
Carbon Storage and Carbon Sequestration of Mangrove Forest in Sarawak 2013
Potassium dynamics of a forest soil developed on a weathered schist regolith 2013
Early stage tropical peat soil nitrogen, phosphorus, and carbon of a secondary forest to oil palm plantation 2013
Clinoptilolite zeolite and nitrogen use in rice cultivation 2013
Response of Brassica rapa var. parachinensis grown on Copper Contaminated Oxisol, Inceptisol and Histosol 2013
Compost and Crude Humic Substances Produced from Selected Wastes and Their Effects on Zea mays L. Nutrient Uptake and Growth 2013
Co-composting of pineapple leaves and chicken manure slurry 2013
Soil Carbon Storage in Different Species Dominance of Sarawak Mangrove Forest, Malaysia 2013
Effects of simulated acid rain on Shorea macroptera growth and selected soil chemical properties 2013
Assessment of floristic composition in a rehabilitated forest, Sarawak, Malaysia 2013
Soil carbon storage of a newly established tropical rehabilitated forest 2013
Sustainable Production of Pineapples on Tropical Peat Soils 2013
CORRELATION AMONG CHEMICAL VARIABLES OF A SOIL PLANTED WITH VEGETABLES 2013
Sustainable production of pineapple on tropical peat soil 2013
RESPONSES OF SELECTED FOREST PLANT SPECIES TO SIMULATED ACID RAIN 2013
Assessment of soil fertility in a tropical rehanilitated forest 2013
Effect of mixing sago (Metroxylon sagu), waste water and peat soil water on minimizing ammonia volatilization and improvement in nutrient use efficiency of maize (Zea mays L.) 2013
2nd international symposium on tropical forest ecosystem and management; challenges and solutionsg 2013
Mineralogy and potassium supply of some weathered tropical soils developed from different parent materials 2013
Effects of crude humin and compost produced from selected waste on Zea mays growth, nutrient uptake and nutrient use efficiency 2013
Above Ground Biomass-carbon Partitioning, Storage and Sequestration in a Rehabilitated Forest, Bintulu, Sarawak, Malaysia 2013
Effects of Mixed Organic and Inorganic Fertilizers Application on Soil Properties and The Growth of Kenaf (Hibiscus cannabinus L.) Cultivated on BRIS Soils 2013
Isolation of indigenous strains of Paecilomyces lilacinus with antagonistic activity Meloidogyne incognita 2012
Improving formulated nitrogen, phosphorus and potassium compound fertilizer using zeolite 2012
Effects of extraction period on yield of rice straw compost humic acids 2012
Effects of deforestation on soil major macro-nutrient and other selected chemical properties of secondary tropical peat swamp forest 2012
In vitro effects of salicylic acid, calcium and copper ions on growth and sporulation of Ganoderma boninense 2012
Physico-chemical Properties of Indigenous Micro Organism-Composts and Humic AcidPrepared from Selected Agro-industrial Residues 2012
Effect of N, P and K Humates on Dry Matter of Zea mays and Soil pH, Exchangeable Ammonium and Available Nitrate 2012
Rehabilitation of Degraded Malaysian Tropical Forests and Soil Carbon Storage 2012
Soil Compaction of Rehabilitated and Secondary Forests at Bintulu Sarawak 2012
Use of crude humin from selected waste compost to amend acidic soils 2012
Comparison of selected physical properties of deep peat within different ages of oil palm plantation 2012
Sustainable Production of Sago Grown on Tropical Peat 2012
Effect of Humin-Urea-Rock Phosphate Amendment on Bekenu Series (Tipik Tualemkuts) Soil 2012
Estimation of total above ground biomass at selected age stands of a rehabilitated forest 2012
Assessment of micrometeorology at selected age stands in a rehabilitated forest of Sarawak, Malaysia 2012
Zeolite in maize (Zea mays) cultivation: Preliminary information on nutrients availability and use efficiency 2012
Qualitative Assessment of Soil Carbon in a Rehabilitated Forest using Fourier Transform Infrared Spectroscopy 2011
Total Aboveground Biomass of Selected Age Stand of A Rhabilitated Forest 2011
ISOLATION AND CHARACTERIZATION OF CELLULOLYTIC, NITROGEN-FIXING AND PHOSPHATE-SOLUBILIZING SOIL BACTERIA FROM A REHABILITATED FOREST IN BINTULU 2011
Total aboveground biomass of selected age stand of a rehabilitated forest 2011
RELATIONSHIP BETWEEN SOIL CELLULOLYTIC, NITROGEN-FIXING AND PHOSPHATE-SOLUBILIZING MICROBIAL COUNTS AND AGE OF A REHABILITATED FOREST IN BINTULU 2011
Nitrogen mineralization in dewatered, composted and amended sewage sludge vermicompost 2011
Ammonia loss reduction, exchangeable ammonium and available nitrate retention in soil treated with urea mixed with humic acid and acid sulphate soil 2011
Utilization of Activated Carbon Produced from Sago hampas (Metroxylon sagu) to Reduce Ammonia Loss from Urea 2011
Soil organic matter and related soil properties in forest,grassland and cultivated land use types 2011
Reducing ammonia loss from urea and improving soil exchangeable ammonium and available nitrate in non waterlogged soils through mixing zeolite and sago (Metroxylon sagu) waste water 2011
Creating wealth from Sago (Metroxylon sagu) waste 2011
HUMIC ACIDS AND STABLE CARBON STORAGE IN REHABILITATED AND SECONDARY FOREST SOILS OF SARAWAK, MALAYSIA 2011
Pores reconfiguration in compacted Bernam Series soil 2011
IN VITRO ASSESMENT OF MICROBIAL ISOLATES FROM SOIL RHIZOSPHERE OF REHABILITATED FOREST 2011
In vitro assessment of microbial isolates from soil rhizosphere of a rehabilitated forest 2011
Forest structure assessment of a rehabilitated forest 2011
Comparison of Carbon and Selected Macronutrients inForest-Floor Litter of Rehabilitated and Secondary Forests 2011
Effect of Tropical Peat Swamp Forest Clearing on Soil Carbon Storage 2011
Assessment of soil carbon storage in a tropical rehabilitated forest 2011
Ammonia volatilization from urea at different levels of zeolite 2011
Ammonia loss, soil exchangeable ammonium and available nitrate contents from mixing urea with zeolite and peat soil water under non-waterlogged condition 2011
Ammonia loss, ammonium and nitrate accumulation from mixing urea with zeolite and peat water under waterlogged condition 2011
Effect of drainage and land clearing on selected peat soil physical properties of secondary peat swamp forest 2011
Effect of mixing urea with zeolite and sago waste water on nutrient use efficiency of maize (Zea mays L) 2011
Towards sustainable cultivation of pineapples on tropical peat soils 2011
Proceedings International Symposium on Rehabilitation of Tropical Rainforest Ecosystem 2011 2011
Enhancing nutrient use efficiency of maize (Zea mays L.) from mixing urea with zeolite and peat soil water 2011
Effectiveness of liquid organic-nitrogen fertilizer in enhancing nutrients uptake and use efficiency in corn (Zea mays) 2011
Effect of amending urea with humic acids and acid sulphate on biomass production of Masmadu (Zeamays L.) and selected soil chemical properties 2011
Soil Compaction and Oil Palm (Elaeis guineensis) Yield in a Clay Textured Soil 2010
Effect of simulated acid rain on selacted soil chemical properties and height of Kelat and Andira seedlings 2010
Effect of mixing zeolite with Sago (Metroxylon sagu) waste wateron minimizing ammonia volatilization and nitrogen use efficiency 2010
Effect of Logging Operation on Carbon Storage and Water Quality of Peat Swamp Forest in Sarawak 2010
Comparison of Selected Soil Chemical Properties of Two Different Mangrove Forests in Sarawak 2010
Comparison of selected chemical properties of peat swamp soil before and after timber harvesting 2010
Cellulolytic, Nitrogen-Fixing and Phosphate-Solubilizing Microorganisms as Biological Indicators of Forest Soil Rehabilitation 2010
AMERIOLATION OF SELECTED CHEMICAL PROPERTIES OF ACIDIC SOIL BY ADDITION OF POTASSIUM HUMATE 2010
Use of zeolite in maize (Zea mays) cultivation on nitrogen, potassium, and phosphorus uptake and use efficiency 2010
Differences in soil physical and chemical properties of rehabilitated and secondary forests 2010
Effect of Converting Secondary Tropical Peat Swamp Forest into Oil Palm Plantation on Selected Peat Soil Physical Properties 2010
Effect of K-N-Humates on Dry Matter Production and Nutrient Use Efficiency of Maize in Sarawak, Malaysia 2010
Selected soil morphological, mineralogical and sesquioxide properties of rehabilitated and secondary forests 2010
Spatial Variability of Soil Organic Carbon in Young and Mature Oil Palm 2010
Use of Gandarusa, chicken Gizzard and Pecah Kaca in remediating copper contaiminated soils 2010
Effect of extractants on the yield and selected chemical characteristics of humic acids isolated from tropical saprists peat 2010
Oil Palm (Elaeis guineensis) Roots Response to Mechanizationin Bernam Series Soil 2010
Accumulation of soil carbon and phosphorus contents of a rehabilitated forest 2010
Minimizing ammonia volatilization in waterlogged soils through mixing of urea with zeolite and sago waste water 2010
Qualitative and quantative assessment of stable carbon in a newlyestablished rehabilitatted forest 2010
Effects of Extractants on the Yields and Selected Chemical Characteristics of Humic Acids Isolated from Tropical Saprists Peat 2010
Minimizing ammonia loss from urea through mixing with zeolite and acid sulphate soil 2010
Incorporation of Bentazone with Exserohilum rostratum for Controlling Cyperus iria 2010
Spatial variability of soil organic carbon in oil palm 2009
Impact of magnesium nutrition on accumulation and transport of amino acid in tea plants 2009
A Simulation Model Estimates of the Intercropping Advantage of an immature-rubber, banana and pineapple system 2009
Nutritional and mycoflora changes during storage of plantain chips and the health implications 2009
Reduction of ammonia volatilization through mixing urea with humic and fulvic acids 2009
Effect of logging operation on carbon storage and chemical properties of tropical peat swamp forest in Sarawak. 2009
Chemical Characteristics of Compost and Humic Acid from Sago Waste (Metroxylon sagu) 2009
Effect of Different Ages of a Rehabilitated Forest on Selected Physico-chemical Properties 2009
Effect of Enhancing Urea-Humic Acid Mixture with Refined Acid Sulphate Soil 2009
Reducing ammonia loss from urea by mixing with humic and fulvic acids isolated from coal 2009
Spatial Variability of Soil Organic Carbon in Oil Palm: A Comparison Between Young and Mature Stands 2009
Organic matter, carbon and humic acids in rehabilitated and secondary forest soils 2009
Effect of Skidding Operations on Soil Carbon Storage of a Tropical Peat Swamp Forest 2009
Effect of organic based N fertilizer on dry matter (Zea mays L.), ammonium and nitrate recovery in an acid soil of Sarawak, Malaysia 2009
Simple and rapid method of isolating humic acids from tropical peat soils (Saprists) 2009
Reduction of isolation period of coal humic acids 2009
Production of Potassium and Calcium Hydroxide, Compost and humic acid from Sago (Metroxylon sagu) Waste 2009
Effect of converting secondary forest to oil palm plantation peat soil carbon and nitrogen and other soil chemical properties 2009
Reduction of ammonia loss from urea through mixing with humic acids isolated from peat soil (Saprists) 2009
Enhancing the urea-N use efficiency in maize(zea mays) cultivation on acid soilsusing urea amended with zeolite and TSP 2009
Reduction of Ammonia Loss by Mixing Urea with Liquid Humic and Fulvic Acids Isolated from Tropical Peat Soil 2009
Controlling Ammonia Volatilization by Mixing Urea with Humic Acid, Fukvic Acid, Triple Supeposphate and Muriate of Potash 2009
Spatial variability of soil organic carbon in oil palm 2009
Effect of Grain Size on Selected Physico-Chemical Properties of Clay 2009
Vegetation Assessment of Peat Swamp Forest Using Remote Sensing 2009
Effect of Logging Operation on Soil Carbon Storage of a Tropical Peat Swamp Forest 2009
Reduction of ammonia volatilization from urea through mixing with humic and fulvic acids isolated from palm oil mill effluent sludge 2009
Effect of Mixing Urea with Humic Acid and Acid Sulphate Soil on Ammonia Loss, Exchangeable Ammonium and Available Nitrate 2009
Influence of Chemical Properties on Soil Carbon Storage of a Tropical Peat Swamp Forest 2009
Machinery compaction effects on physical properties of Bernam series in an oil palm plantation 2009
Effect of Precipitation Fluctuation on Soil Carbon Storage of a Tropical Peat Swamp Forest 2009
Effects of Converting Secondary Forest on Peat to Oil Palm Plantation on Carbon Sequestration 2009
Effects of Converting Secondary Forest on Tropical Peat Soil to Oil Plantation on Carbon Storage 2009
Enhancing the urea-N use efficiency in maize(zea mays) cultivation on acid soils amended with zeolite and tsp 2008
Gamma Radiosensitivity study on chili (Capsicum annum) 2008
Ammonia volatilization and ammonium accumulation from urea mixed with zeolite and triple superphosphate 2008
Determination of minimal duration essential for isolation of humic acids from soils in forest restoration programmes 2008
Spatial variability of pineapple yields on tropical peat 2008
Spatial variability of soil organic N in a mature oil palm plantation in Sabah, Malaysia 2008
Transforming Spatio-Temporal Yield Maps to Classified Management Zone Maps for Efficient Management of Oil Palm 2008
Spatial-Temporal Yield Trend of Oil Palm as Influenced by Nitrogen Fertilizer Management 2008
Spatial Variability of Soil Inorganic N in a Mature Oil Palm Plantation in Sabah, Malaysia 2008
Compaction of Soil inThree Different Conditions of Land According to the Existence of Standing Trees at Bukit Nyabau, UPMKB 2008
Application of Geostatistical Tools to Quantify Spatial Variability of Selected Soil Chemical Properties from a Cultivated Tropical Peat 2008
Determination of minimal duration essential for isolation of humic acids from soils in forest restoration programmes. 2008
Peat and Other Soil Factors in Crop Production (Proceedings of Soils 2007) 2007
Some essentials of good scientific research 2007
Peat and other soil factors in crop production 2007
Is there a need for precision pineapple management? 2007
Effect of urea coated with humic acid and triple superphosphate on maize dry matter production, soil nitrate, ammonium and pH. 2007
Some esentials of good scientific research 2006



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sejak 31 Mac'08



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