الرئيسية › دليل الباحثين › John Robert Okalebo

John Robert Okalebo

الانتماء : Moi University · University of Eldoret

• 23منشورات (انتماء كيني)

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الملف البحثي

لدى John Robert Okalebo 23 منشور(ات) مفهرسة (1995–2018). تُنشر أعماله أساسًا في «Experimental Agriculture»، «Nutrient Cycling in Agroecosystems» و«Field Crops Research». أكثر مقالاته استشهادًا هو «Available technologies to replenish soil fertility in East Africa» (2006)، وقد استُشهد به 114 مرة. 3 من هذه المنشورات تعود إلى آخر ثلاث سنوات من النشاط. شارك في تأليف أعماله 12 باحثًا على الأقل، منهم باحثون من مؤسسات في كولومبيا، فرنسا، بلجيكا، ألمانيا.

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المنشورات (23)

• Maize (Zea mays L.) Response to Secondary and Micronutrients for Profitable N, P and K Fertilizer Use in Poorly Responsive Soils
  2018 · Agronomy · استُشهد به 49 مرة
• Occurrence of poorly responsive soils in western Kenya and associated nutrient imbalances in maize (Zea mays L.)
  2017 · Field Crops Research · استُشهد به 33 مرة
• Long-term assessment of soil and water conservation measures (Fanya-juu terraces) on soil organic matter in South Eastern Kenya
  2016 · Geoderma · استُشهد به 68 مرة
• Nutrients Limiting Soybean (glycine max l) Growth in Acrisols and Ferralsols of Western Kenya
  2015 · PLoS ONE · استُشهد به 36 مرة
• Do Commercial Biological and Chemical Products Increase Crop Yields and Economic Returns Under Smallholder Farmer Conditions?
  2014 · Springer eBooks · استُشهد به 22 مرة
• IMMEDIATE AND RESIDUAL EFFECTS OF LIME AND PHOSPHORUS FERTILIZER ON SOIL ACIDITY AND MAIZE PRODUCTION IN WESTERN KENYA
  2013 · Experimental Agriculture · استُشهد به 71 مرة
• Phosphorus Sorption and Lime Requirements of Maize Growing Acid Soils of Kenya
  2013 · Sustainable Agriculture Research · استُشهد به 48 مرة
• Effects of Organic and Inorganic Materials on Soil Acidity and Phosphorus Availability in a Soil Incubation Study
  2012 · ISRN Agronomy · استُشهد به 71 مرة
• Partial substitution of phosphorus fertiliser by farmyard manure and its localised application increases agronomic efficiency and profitability of maize production
  2012 · Field Crops Research · استُشهد به 62 مرة
• Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya
  2012 · Archives of Agronomy and Soil Science · استُشهد به 24 مرة
• The impact of Desmodium spp. and cutting regimes on the agronomic and economic performance of Desmodium–maize intercropping system in western Kenya
  2012 · Field Crops Research · استُشهد به 15 مرة
• Occurrence and genetic diversity of phosphate-solubilizing bacteria in soils of differing chemical characteristics in Kenya
  2011 · Annals of Microbiology · استُشهد به 30 مرة
• Production efficiency and economic potential of different soil fertility management strategies among groundnut farmers of Kenya
  2010 · Science World Journal · استُشهد به 13 مرة
• Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya
  2009 · Nutrient Cycling in Agroecosystems · استُشهد به 43 مرة
• EFFECTS OF COMBINING ORGANIC MATERIALS WITH INORGANIC PHOSPHORUS SOURCES ON MAIZE YIELD AND FINANCIAL BENEFITS IN WESTERN KENYA
  2009 · Experimental Agriculture · استُشهد به 27 مرة
• Coppicing improved fallows are profitable for maize production in striga infested soils of western Kenya
  2009 · Agroforestry Systems · استُشهد به 21 مرة
• Effects of conservation tillage, crop residue and cropping systems on changes in soil organic matter and maize–legume production: a case study in Teso District
  2008 · Nutrient Cycling in Agroecosystems · استُشهد به 38 مرة
• EFFECT OF COMBINING ORGANIC RESIDUES WITH MINJINGU PHOSPHATE ROCK ON SORPTION AND AVAILABILITY OF PHOSPHORUS AND MAIZE PRODUCTION IN ACID SOILS OF WESTERN KENYA
  2007 · Experimental Agriculture · استُشهد به 43 مرة
• Available technologies to replenish soil fertility in East Africa
  2007 · Springer eBooks · استُشهد به 30 مرة
• Available technologies to replenish soil fertility in East Africa
  2006 · Nutrient Cycling in Agroecosystems · استُشهد به 114 مرة
• On farm testing of integrated nutrient management strategies in eastern Uganda
  2004 · Agricultural Systems · استُشهد به 43 مرة
• PHOSPHORUS AVAILABILITY AS AFFECTED BY THE APPLICATION OF PHOSPHATE ROCK COMBINED WITH ORGANIC MATERIALS TO ACID SOILS IN WESTERN KENYA
  2003 · Experimental Agriculture · استُشهد به 50 مرة
• Potential impact of agroforestry on soil nutrient balances at the farm scale in the East African Highlands
  1995 · Nutrient Cycling in Agroecosystems · استُشهد به 84 مرة

مجلات النشر

• Experimental Agriculture × 4
• Nutrient Cycling in Agroecosystems × 4
• Field Crops Research × 3
• Springer eBooks × 2
• Agronomy × 1
• Geoderma × 1

المنشورات حسب السنة

• 20181
• 20171
• 20161
• 20151
• 20141
• 20132
• 20124
• 20111
• 20101
• 20093

التعاون العلمي

المؤسسات الشريكة : International Center for Tropical Agriculture · International Centre of Insect Physiology and Ecology · Kenya Agricultural Research Institute · International Institute of Tropical Agriculture · Kirinyaga University

بلدان المؤلفين المشاركين : كولومبيا · فرنسا · بلجيكا · ألمانيا

المؤلفون المشاركون

• C. O. Othieno
• P. A. Opala
• Ruth Njoroge
• W. K. Ng’etich
• Pieter Pypers
• P. Kisinyo
• Anderson Kipruto Kipkoech
• Keziah Wairimu Ndung'u-Magiroi
• A. Bationo
• Abigael Nekesa Otinga
• Mary Kifuko-Koech
• Mary Pepela

البيانات البيبليوغرافية مصدرها OpenAlex (قاعدة مفتوحة).