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Autor: K. Osei-Bonsu, FM Amoah, K. Opoku-Ameyaw, FK Oppong

Publikováno v: Agroforestry Systems. 55:1-8

In Ghana, shade for cacao (Theobroma cacao L.) is becoming a critical issue because of extensive deforestation. Unlike in some other cacao-growing countries, cacao is not grown under the shade of coconut (Cocos nucifera) in Ghana. An experiment to co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92752fce6408f6a7886a9abd35f18106
https://doi.org/10.1023/a:1020271608483

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Response of improved robusta coffee to location and management practices in Ghana

Autor: FM Amoah, K. Osei-Bonsu, FK Oppong

Publikováno v: Experimental Agriculture. 33:103-111

Studies were carried out at three locations in Ghana to investigate the effects of Glyricidia maculata shade intensity and of the spacing of coffee on the growth and yield of improved robusta coffee. The three locations selected fall within ecologica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80e45cd86d604206457edbd1867b21c9
https://doi.org/10.1017/s0014479797000215

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Underplanting oil palm with cocoa in Ghana

Autor: FK Oppong, B.N. Nuertey, FM Amoah, T.E.O. Asamoah, K. Baidoo-Addo, K. Osei-Bonsu

Publikováno v: Agroforestry Systems. 30:289-299

Mature oil palms at the Oil Palm Research Institute at Kusi, Ghana were underplanted with cocoa to study the feasibility of mixed cropping of the two crops under West African conditions. The oil palm trees used in this trial were planted in 1970 and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::563ae7a21d95842be725d7293669c76e
https://doi.org/10.1007/bf00705215

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Comparison of methods of field planting on cocoa seedling survival and early growth in a marginal cocoa-growing area of Ghana

Autor: K Opoku-Ameyaw, FK Oppong

Publikováno v: Ghana Journal of Agricultural Science; Vol 40, No 2 (2008); 199-205

Cocoa seeds were planted at stake at different times to determine the best time for optimum establishment at the Cocoa Research Institute of Ghana substation at Afosu, considered as a marginal cocoa-growing area owing to its prolonged dry season. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d05911dbf3cfb644f1c257c721823d65
https://www.ajol.info/index.php/gjas/article/view/2171

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Effect of polybag size and foliar application of urea on cocoa seedling growth

Autor: K Ofori-Frimpong, R Fiakpornu, FK Oppong

Publikováno v: Ghana Journal of Agricultural Science; Vol 40, No 2 (2008); 207-213

The effects of different polybag sizes and foliar application of urea on the growth of cocoa seedlings in the nursery were studied at the Cocoa Research Institute of Ghana substation at Afosu in the Eastern Region of Ghana between June 2004 and May 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7da5eff95d1e790c122bbc3c30cfd744
https://www.ajol.info/index.php/gjas/article/view/2172

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Effect of weed control methods on some soil properties of a newly planted cocoa farm

Autor: Appiah, FK Oppong, AA Afrifa, K Ofori-Frimpong

Publikováno v: Ghana Journal of Agricultural Science; Vol 40, No 2 (2008); 127-132

Weed control constitutes a high percentage of the total field maintenance cost of newly planted cocoa. Soil samples were collected from an experiment that was designed to evaluate some weed control methods during cocoa establishment. The objective of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::967c2bb33b92c4bab9788dd6e1ed1931
https://www.ajol.info/index.php/gjas/article/view/2162

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Appraisal of some methods of weed control during initial establishment of cocoa in a semi-deciduous forest zone of Ghana

Autor: FM Amoah, K. Osei-Bonsu, FK Oppong

Publikováno v: Ghana Journal of Agricultural Science; Vol 40, No 1 (2007); 67-72

In appraising the effects of the quantum and quality of weed control required in establishment of young cocoa, six manual methods of controlling weeds were compared with chemical weed control at two stations of the Cocoa Research Institute of Ghana.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8ea131132475750b4343a5f9a121b9d
https://www.ajol.info/index.php/gjas/article/view/2155

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