Ortho- and polyphosphate P fertilizers as affected by added organic materials and calcium carbonateMNKENI, P. N. S; MACKENZIE, A. F.Canadian journal of soil science. 1988, Vol 68, Num 2, pp 243-250, issn 0008-4271Article

Effects of added organic residues and calcium carbonate on polyphosphate hydrolysis in four Quebec soilsMNKENI, P. N. S; MACKENZIE, A. F.Plant and soil. 1987, Vol 104, Num 2, pp 163-167, issn 0032-079XArticle

Retention of ortho- and polyphosphates in some Quebec soils as affected by added organic residues and calcium carbonateMNKENI, P. N. S; MACKENZIE, A. F.Canadian journal of soil science. 1985, Vol 65, Num 3, pp 575-585, issn 0008-4271Article

Optimization of Eisenia fetida stocking density for the bioconversion of rock phosphate enriched cow dung-waste paper mixturesUNUOFIN, F. O; MNKENI, P. N. S.Waste management (Elmsford). 2014, Vol 34, Num 11, pp 2000-2006, issn 0956-053X, 7 p.Article

Effects of Goat Manure and Lime Addition on Phosphate Sorption by Two Soils from the Transkei Region, South AfricaGICHANGI, E. M; MNKENI, P. N. S.Communications in soil science and plant analysis. 2009, Vol 40, Num 21-22, pp 3335-3347, issn 0010-3624, 13 p.Article

EVALUATION OF THE HEAVY METAL IMMOBILIZATION POTENTIAL OF PINE BARK-BASED COMPOSTSGICHANGI, E. M; MNKENI, P. N. S; MUCHAONYERWA, P et al.Journal of plant nutrition. 2012, Vol 35, Num 12-14, pp 1853-1865, issn 0190-4167, 13 p.Article

The effects of goat manure, sewage sludge and effective microorganisms on the composting of pine barkMUPONDI, L. T; MNKENI, P. N. S; BRUTSCH, M. O et al.Compost science & utilization. 2006, Vol 14, Num 3, pp 201-210, issn 1065-657X, 10 p.Article

Effectiveness of Panda Hills phosphate rock compacted with triple superphosphate as source of phosphorus for rape, wheat, maize, and soybeanMNKENI, P. N. S; CHIEN, S. H; CARMONA, G et al.Communications in soil science and plant analysis. 2000, Vol 31, Num 19-20, pp 3163-3175, issn 0010-3624Article

Litterbag decomposition of genetically modified maize residues and their constituent Bacillus thuringiensis protein (Cry1Ab) under field conditions in the central region of the Eastern Cape, South AfricaDAUDU, C. K; MUCHAONYERWA, P; MNKENI, P. N. S et al.Agriculture, ecosystems & environment. 2009, Vol 134, Num 3-4, pp 153-158, issn 0167-8809, 6 p.Article

Evaluation of pine bark or pine bark with goat manure or sewage sludge cocomposts as growing media for vegetable seedlingsMUPONDI, L. T; MNKENI, P. N. S; BRUTSCH, M. O et al.Compost science & utilization. 2006, Vol 14, Num 4, pp 238-243, issn 1065-657X, 6 p.Article

Effects of Casuarina equisetifolia composted litter and ramial-wood chips on tomato growth and soil properties in Niayes, SenegalSOUMARE, M. D; MNKENI, P. N. S; KHOUMA, M et al.Biological agriculture & horticulture. 2002, Vol 20, Num 2, pp 111-123, issn 0144-8765, 13 p.Article

Effects of Mapogoro phillipsite on availability of phosphorus in phosphate rocksMNKENI, P. N. S; SEMOKA, J. M. R; KAITABA, E. G et al.Tropical agriculture. 1994, Vol 71, Num 4, pp 249-253, issn 0041-3216Article

Soil test calibration studies for formulation of phosphorus fertilizer recommendations for maize in morogoro district, Tanzania. II. Estimation of optimum fertilizer ratesUSSIRI, D. A; MNKENI, P. N. S; MACKENZIE, A. F et al.Communications in soil science and plant analysis. 1998, Vol 29, Num 17-18, pp 2815-2828, issn 0010-3624Article

Mulch effects on soil moisture and nitrogen, weed growth and irrigated maize productivity in a warm-temperate climate of South AfricaMURUNGU, F. S; CHIDUZA, C; MUCHAONYERWA, P et al.Soil & tillage research. 2011, Vol 112, Num 1, pp 58-65, issn 0167-1987, 8 p.Article

Changes in chemical properties and temperature during the composting of tobacco waste with other organic materials, and effects of resulting composts on lettuce (Lactuca sativa L.) and Spinach (Spinacea oleracea L.)ADEDIRAN, J. A; MNKENI, P. N. S; MAFU, N. C et al.Biological agriculture & horticulture. 2004, Vol 22, Num 2, pp 101-119, issn 0144-8765, 19 p.Article

Soil test calibration studies for formulation of phosphorus fertilizer recommendations for maize in morogoro district, Tanzania. I. Evaluation of soil test methodsUSSIRI, D. A; MNKENI, P. N. S; MACKENZIE, A. F et al.Communications in soil science and plant analysis. 1998, Vol 29, Num 17-18, pp 2801-2813, issn 0010-3624Article

Nostoc cyanobacterial inoculation in South African agricultural soils enhances soil structure, fertility, and maize growthMAQUBELA, M. P; MNKENI, P. N. S; MALAM ISSA, O et al.Plant and soil. 2009, Vol 315, Num 1-2, pp 79-92, issn 0032-079X, 14 p.Article

Mineralogy and fertility status of selected soils of the Eastern Cape Province, South AfricaMANDIRINGANA, O. T; MNKENI, P. N. S; MKILE, Z et al.Communications in soil science and plant analysis. 2005, Vol 36, Num 17-18, pp 2431-2446, issn 0010-3624, 16 p.Article

Organic waste materials for soil fertility improvement in the border region of the Eastern Cape, South AfricaADEDIRAN, J. A; DE BAETS, N; MNKENI, P. N. S et al.Biological agriculture & horticulture. 2003, Vol 20, Num 4, pp 283-300, issn 0144-8765, 18 p.Article

Antibacterial activity of Tagetes minuta L. (Asteraceae) essential oil with different chemical compositionSENATORE, Felice; NAPOLITANO, Francesco; MOHAMED, M. A-H et al.Flavour and fragrance journal. 2004, Vol 19, Num 6, pp 574-578, issn 0882-5734, 5 p.Conference Paper