Cowpea varietal differences in uptake of phosphorus from Gafsa phosphate rock in a low-P Ultisol

Ankomah, A. B.; Zapata, Felipe; Danso, S. K. A.; Axmann, H.

doi:10.1007/bf00748311

Cited by 19 publications

(10 citation statements)

References 12 publications

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“…The available P (Bray P) at the start of the experiment was low and agreed with that reported by Ankomah et al (1995) in similar Ghanaian soils. Thomas and Peaslea (1973) suggested that most soils containing extractable P of less than 15 mg/kg as determined by Bray 1 method could be defined as being deficient in available P for optimal plant growth.…”

Section: Soil Nutrient Dynamicssupporting

confidence: 90%

The Effect of Rock Phosphate on Soil Nutrient Dynamics, Growth, Development and Yield of Oil Palm in The Semi-Deciduous Forest Zone of Ghana

Danso¹,

Nuertey²,

Asamoah³

et al. 2010

Jnl Sci Tech

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Field experiment was conducted atAt the end of the study, available P recorded 9.55 mg/kg. The value is slightly below the medium range of available P for oil palm production. Significant increases were recorded by RP treatments for exchangeable Ca, Mg, K and ECEC. The results showed that treatment PR2 was effective and gave the highest oil palm yield of 62.8t/ha with TSP recording 53.7t/ha. For sustained levels of soil nutrients, growth, development and yield of oil palm, PR incorporation should be encouraged.

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Section: Soil Nutrient Dynamicssupporting

confidence: 90%

The Effect of Rock Phosphate on Soil Nutrient Dynamics, Growth, Development and Yield of Oil Palm in The Semi-Deciduous Forest Zone of Ghana

Danso¹,

Nuertey²,

Asamoah³

et al. 2010

Jnl Sci Tech

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“…In addition, the best-adapted genotypes increased the soil P availability by about 50 % after a culture cycle (Ankomah et al 1995;Rajput and Singh 1996). The later was associated with an increase in SNF covering 89 % of the plant N requirement and an accumulation of 200 kg ha− 1 N in the soil (Sanginga 2003).…”

Section: The Diversity Of Rhizobial Symbioses In Their N 2 Fixation Umentioning

confidence: 99%

Grain Legumes

2015

Handbook of Plant Breeding

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The field of plant breeding covers a broad range of different species and categories of plants. While there are many techniques and issues that are similar across these species, many more are unique to each genus.The Handbook of Plant Breeding is organized by major crop categories and includes the most up-to-date molecular techniques being used. It will serve as a resource for plant breeding laboratories in both the university and industrial setting.More information about this series at

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“…Phosphorus deficiency is usually the most determining factor for poor yield of legume crops on most of the tropical soils because apart from playing an essential role in root development, phosphorus is needed for growth of rhizobium bacteria responsible for nitrogen fixation. Atmospheric nitrogen fixed by cowpea improves soil fertility (Krasilnikoff et al, 2003) but only in conjunction with the synergistic effect of P. However, the efficient use of soluble P Different management systems involving the use of low-input strategies have been identified to address P fertilization problems in tropical acidic soils through the direct application of rock phosphate (PR) and also the selection of crops with a high potential to absorb and use partially soluble fertilizers (Sanchez and Uehara, 1980 cited by Ankomah et al, 1995). Apart from PR being a cheaper source per kg of P, phosphate fertilizer from PR is effective under acidic conditions in tropical soils.…”

Section: Introductionmentioning

confidence: 99%

Growth and yield responses of cowpea genotypes to soluble and rock P fertilizers on acid, highly weathered soil from humid tropical West Africa

Adusei¹,

Gaiser²,

Boukar³

et al. 2017

Int. J. Bio. Chem. Sci

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Soils in tropical regions have inadequate levels of phosphorus and this apparently leads to reduced cowpea yield in Africa. Identifying phosphorus-efficient cultivars have the potential to reduce the demand for phosphorus fertilizer and increase the productivity of cowpea. This study was conducted to identify cowpea genotypes that maintain high yields under low soil phosphorus condition. A green-house experiment was conducted at the International Institute of Tropical Agriculture, Ibadan, Nigeria. Fifteen cowpea genotypes were used with two sources of phosphorus fertilisers: rock phosphate (60, 90 and 120 mg P kg −1 soil) and mono potassium phosphate (30, 60 and 90 mg P kg −1 soil) and compared to the control. The experiment was laid out in a strip plot arrangement with three replications. The findings suggested that large geneticvariability exist among the tested cowpea genotypes. IT90K-59 was identified as best phosphorus responder genotype for biomass production and IT90K-76 for grain yield at a rate of 60 mg P kg −1 soil as mono potassium phosphate .Danila and IT89KD-288 were identified as promising genotypes under no or minimal external P application. Five genotypes were identified as good responders to rock phosphate based on their grain yield production. The differential response of the genotypes to low soil phosphorus implies that these traits warrant effective selection for further improvement. Thus, identifying genotypes that can grow well in low phosphorus condition has the potential to reduce the quantity of mineral fertilizersand cost of production.

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Cowpea varietal differences in uptake of phosphorus from Gafsa phosphate rock in a low-P Ultisol

Cited by 19 publications

References 12 publications

The Effect of Rock Phosphate on Soil Nutrient Dynamics, Growth, Development and Yield of Oil Palm in The Semi-Deciduous Forest Zone of Ghana

The Effect of Rock Phosphate on Soil Nutrient Dynamics, Growth, Development and Yield of Oil Palm in The Semi-Deciduous Forest Zone of Ghana

Grain Legumes

Growth and yield responses of cowpea genotypes to soluble and rock P fertilizers on acid, highly weathered soil from humid tropical West Africa

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