Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Jacob Ulzen"'
Autor:
Jacob Danso, Isaac Kankam Boadu, Joseph Sarkodie‐Addo, Michael O. Opoku‐Agyeman, Francis Padi, Jacob Ulzen, Alfred Arthur
Publikováno v:
Agrosystems, Geosciences & Environment, Vol 7, Iss 3, Pp n/a-n/a (2024)
Abstract Shade trees are important in cocoa agroforestry systems; however, they release allelochemicals from various parts that affect understory plants. Unfortunately, information on allelochemicals produced by shade tree bark in cocoa plantation re
Externí odkaz:
https://doaj.org/article/8b546ab5576e4d1da332b1802b4dcc72
Autor:
Samuel Adjei-Nsiah, Jacob Ulzen
Publikováno v:
Scientific African, Vol 25, Iss , Pp e02273- (2024)
Low concentrations of phosphorus limit grain legumes’ yield in the northern part of Ghana. Smallholder farmers could benefit from P-fertilizer blends to improve yield. This study evaluated the responses of soybean, cowpea and groundnut to P-fertili
Externí odkaz:
https://doaj.org/article/09474740e3174ecc84879e27a0547a2b
Publikováno v:
PeerJ, Vol 10, p e12671 (2022)
Soybean cultivation in Ghana is limited mainly to the Guinea savanna and the forest/savanna transitional agro-ecological zones. Although soybean can be cultivated in the semi-deciduous forest zone, low soil pH and limited nodulation limit its product
Externí odkaz:
https://doaj.org/article/c5627ccf1ee34651b6268c04110e11ab
Autor:
Godfre Wilson, Jacob Ulzen, Robert Clement Abaidoo, Andrews Opoku, Samuel Adjei-Nsiah, Ophelia Osei
Publikováno v:
Frontiers in Agronomy, Vol 3 (2021)
Rhizobia inoculation with effective strains is an environmentally friendly approach for enhancing nodulation and yield of legumes. To obtain an ideal strain for inoculant production, the strain's performance must be matched to the environmental condi
Externí odkaz:
https://doaj.org/article/05d5661b4f8f45f487784dd63fb1dedc
Autor:
Jacob Ulzen, Robert Clement Abaidoo, Nana Ewusi-Mensah, Ophelia Osei, Cargele Masso, Andrews Opoku
Publikováno v:
Frontiers in Agronomy, Vol 2 (2020)
Inherently low concentrations of soil nutrients and erratic rainfall pattern in sub-Sahara Africa limit soybean response to rhizobia inoculant and P-fertilizer. The study was conducted to: (i) improve soybean response to rhizobia inoculation and P-fe
Externí odkaz:
https://doaj.org/article/aa1f3fc6e1ce4a74b22d12d4b2924501
Publikováno v:
Frontiers in Plant Science, Vol 7 (2016)
This study evaluated the symbiotic effectiveness and economic evaluation of Rhizobium inoculants with the objective of recommending the most effective inoculant strain for soybean and cowpea production in Northern Ghana. Field experiments were establ
Externí odkaz:
https://doaj.org/article/8288475fb69e4fe4afcbd65611f91377
Autor:
Williams, Ayarna Alex, Samuel, Adjei-Nsiah, Satoru, Tsukagoshi, Jacob, Ulzen, Ofosuhene, Sintim Henry, Samuel, Aduse Poku, Musah, Bukari, Oduro, Nkansah George
Publikováno v:
Philippine Journal of Science; Feb2024, Vol. 153 Issue 1, p113-120, 8p
Autor:
Lemuel Ohemeng Mintah, Godfred Kwabena Ofosu-Budu, Nana Oduro Osei-Bonsu, Jacob Ulzen, Eric Oppong Danso
Publikováno v:
Acta Universitatis Sapientiae, Agriculture and Environment. 14:45-61
Cocoa (Theobroma cacao) seedlings are very sensitive to water stress during the nursery stage and early field establishment. Sawdust, carbonated rice husk, and compost in the following ratios (i) 60: 40: 0 – M1, (ii) 60: 30: 10 – M2, (iii) 60: 20
Publikováno v:
Archives of Agronomy and Soil Science. 66:1358-1372
Low concentrations of P and organic manure in savanna soils limit cowpea response to rhizobia. The study was conducted to determine the combined effect of P and organic manure on cowpea response to...
Autor:
Andrews Opoku, Robert C. Abaidoo, Ophelia Osei, Jacob Ulzen, Samuel Adjei-Nsiah, Godfre Wilson
Publikováno v:
Frontiers in Agronomy, Vol 3 (2021)
Rhizobia inoculation with effective strains is an environmentally friendly approach for enhancing nodulation and yield of legumes. To obtain an ideal strain for inoculant production, the strain's performance must be matched to the environmental condi