1. Actas

by Ahenkorah, Y; Appiah, M.R; Halm, B.J. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 10. International Cocoa Research Conference Santo Domingo (R. Dominicana) 17-23 May 1987.

Publisher: Hertford (RU) Stephen Austin and Sons 1988Other title: Production and utilisation of cocoa pod husk as source of potash fertilizer; Proceedings.Availability: No copies available Actions: Add to cart
2. Amazon cocoa (Theobroma cacao L.) shade and manurial experiment (K2-01), 3: Cumulative yield analysisProceedings

by Ahenkorah, Y. -- Cocoa Research Institute, Ibadan (Nigeria) -- 5. International Cocoa Research Conference Ibadan (Nigeria) 1975.

Publisher: [sl] 1975?Availability: No copies available Actions: Add to cart
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3. Amazon shade and fertilizer experiment (K-2-O1)Annual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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4. Amelonado shade and fertilizer experiment K1Annual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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5. Analítica Arylsulphatase activity of different latosol soils of Ghana cropped to cocoa (Theobroma cacao) and coffee (Coffea canephora var. robusta)

by Appiah, M.R; Ahenkorah, Y.

Source: Biology and Fertilizer Soils (Kenia) Publisher: 1989Availability: Copies available for loan: BCO (1). Actions: Add to cart
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6. Analítica Arylsulphatase activity of different latosol soils of Ghana cropped to cocoa (Theobroma cacao) and coffee (Coffea canephora var. robusta)

by Appiah, M.R; Ahenkorah, Y.

Source: Biology and Fertilizer Soils (Kenia) Publisher: 1989Availability: No copies available Actions: Add to cart
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7. Available phosphorus in some cacao soils of GhanaProceedings

by Halm, B.J; Ahenkorah, Y. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 7. International Cocoa Research Conference Douala (Camerún) 4-12 Nov 1979.

Publisher: Lagos (Nigeria) 1981Availability: No copies available Actions: Add to cart
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8. Cocoa leaf analysisAnnual report 1971-1972

by Ahenkorah, Y; Adri, A.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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9. Analítica Cocoa pod husk as source of potash fertilizer

by Ahenkorah, Y; Halm, B.J; Amonoo, R.S.

Source: Turrialba (IICA) Publisher: 1981Availability: No copies available Actions: Add to cart
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10. Cocoa root activity studies using radio-isotope P-32Annual report 1969-1970

by Ahenkorah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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11. Comparison on yield on shaded and PK fertilized Amazon plots in K2-01 and D12Annual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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12. Development of cocoa pod ash as potash fertilizerAnnual report 1986/87

by Ahenkorah, Y; Appiah, M.R; Halm, B.J; Dodoo, R.E. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1988Availability: No copies available Actions: Add to cart
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13. Eastern Region cocoa rehabilitation projectAnnual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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14. The end of the Amelonado shade and fertilizer experiment K1Annual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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15. Analítica The end of the first cocoa shade and manurial experiment at the Cocoa Research Institute of Ghana

by Ahenkorah, Y; Akrofi, G.S; Adri, A.K.

Source: Journal of Horticultural Science (RU) Publisher: 1974Online Access: En Availability: No copies available Actions: Add to cart
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16. The evaluation of intensity, quantity, capacity and release of potassium in some soils of Ghana cropped to mature cocoa. Final report

by Ahenkorah, Y. -- FAO, Roma (Italia)

Publisher: Roma (Italia) 1971Availability: No copies available Actions: Add to cart
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17. Experimental blocks I and IV of K 2-01: original designAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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18. Experimental blocks II and III of K2-01: new designAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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19. Factorial fertilizer trials on shaded Amelonado and AmazonAnnual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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20. Factorial fertilizer trials on shaded cocoa at other cocoa stations and farmers' farmsAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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21. Fertilizer use on cacao rehabilitation projects in GhanaProceedings

by Ahenkorah, Y; Halm, B.J; Appiah, M.R; Akrofi, G.S. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 8. International Cocoa Research Conference Cartagena (Colombia) 18-23 Oct 1981.

Publisher: Lagos (Nigeria) 1982Availability: No copies available Actions: Add to cart
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22. Foliar analysis as a diagnostic technique in cocoa nutrition, 3: Standard curves and observationsProceedings

by Ahenkorah, Y; Halm, B.J. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 7. International Cocoa Research Conference Douala (Camerún) 4-12 Nov 1979.

Publisher: Lagos (Nigeria) 1981Availability: No copies available Actions: Add to cart
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23. Analítica La cáscara de la mazorca de cacao como fuente de fertilizante potásico

by Ahenkorah, Y; Halm, B.J; Amonoo, R.S.

Source: Turrialba (IICA) Publisher: (Oct-Dic 1981)Other title: Cacao pod husk as source of potash fertilizer [Zea mays]..Online Access: Es | Es Availability: No copies available Actions: Add to cart
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24. Medium for nursing healthy seedlingAnnual report 1969-1970

by Ahenkorah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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25. Analítica Notes on the effect of cocoa pod ash on some forms of soil potassium in Ghana

by Appiah, M.R; Ofori Frimpong, K; Ahenkorah, Y.

Source: Planter (Malasia) Publisher: May 1990Availability: No copies available Actions: Add to cart
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26. Analítica Phospholipid P content of some cocoa soils of Ghana

by Halm, B.J; Ahenkorah, Y.

Source: Ghana Journal of Agricultural Science (Ghana) Publisher: 1976Availability: No copies available Actions: Add to cart
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27. Analítica Potassium-supplying power of some soils of Ghana cropped to cacao

by Ahenkorah, Y.

Source: Soil Science (EUA) Publisher: 1970Availability: No copies available Actions: Add to cart
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28. Analítica Potting media for growing cocoa seedlings

by Ahenkorah, Y; Halm, B.J.

Source: Ghana Journal of Agricultural Science (Ghana) Publisher: 1976Availability: Copies available for loan: BCO (1). Actions: Add to cart
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29. Recent results of fertilizer experiments on shaded cacao (Theobroma cacao L.) in GhanaProceedings

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana) -- 3. International Cocoa Research Conference Accra (Ghana) 23-29 Nov 1969.

Publisher: Tafo (Ghana) 1971Online Access: En Availability: No copies available Actions: Add to cart
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30. Analítica Review of foliar fertilisation of some tropical perennial crops and effect of three foliar fertilisers on cocoa nursery seedlings

by Ahenkorah, Y; Appiah, M.R; Halm, B.J.

Source: Planter (Malasia) Publisher: 1987Availability: No copies available Actions: Add to cart
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31. Shade x variety x fertilizer experiment block GAnnual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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32. Soil fertility, shade and cocoa nutrition experimentsAnnual report 1985-86

by Ahenkorah, Y; Halm, B.J; Appiah, M.R. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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33. Soil fertility, shade and cocoa nutrition experimentsAnnual report 1973-74

by Ahenkorah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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34. Soil fertility, shade and cocoa nutrition experimentsAnnual report 1975-76

by Ahenkorah, Y; Halm, B.J; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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35. Soil fertility, shade and cocoa nutrition field experimentsAnnual report 1972-1973

by Ahenkorah, Y; Appiah, M.R; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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36. The status of an amelonado shade manual experiment (K1) at tafoMemórias

by Akrofi, G.S; Ahenkorah, Y; Cruz, L.C. (ed.). -- Comissao Executiva do Plano da Lavoura Cacaueira, Bahia (Brasil) -- 2 Conferencia Internacional de Pesquisas em Cacau Bahia (Brasil) 19-26 Nov 1967.

Publisher: Sao Paulo (Brasil) 1969Online Access: En Availability: No copies available Actions: Add to cart
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37. Sulphur studies in cocoa and coffee soilsAnnual report 1986/87

by Appiah, M.R; Ahenkorah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1988Availability: No copies available Actions: Add to cart
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38. Time and rate of NPK applicationAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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39. Time and split application of NPK at Pankese, Akaa and AsikumaAnnual report 1969-1970

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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40. Time and split of NPK applicationAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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41. Trials within eastern region cocoa rehabilitation project areaAnnual report 1971-1972

by Ahenkorah, Y; Akrofi, G.S. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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42. Analítica Twenty years' results from a shade and fertilizer trial of Amazon cocoa (Theobroma cacao) in Ghana

by Ahenkorah, Y; Halm, B.J; Appiah, M.R; Akrofi, G.S; Yirenkyi, J.E.K.

Source: Experimental Agriculture (RU) Publisher: Ene 1987Online Access: En Availability: No copies available Actions: Add to cart
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43. Analítica Use of radio-active phosphorus in determining the efficiency of fertilizer utilization by cacao plantation

by Ahenkorah, Y.

Source: Plant and Soil (Países Bajos) Publisher: 1975Availability: No copies available Actions: Add to cart
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