Nigerian subhumid savanna zone alfisols for sustainable crop and livestock production

Odunze, A. C.; Tarawali, G.; Magaji, S.O.

doi:10.1080/15324989609381441

Cited by 5 publications

(5 citation statements)

References 5 publications

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“…The increased of clay contents with depth at the windward could cause infiltration and percolation problems, hence waterlogging at the peak of the rains. Odunze et al (1996) also observed increased of clay contents with depth and concluded that increase in subsoil clays could cause impaired drainage at such shallow depths, especially at the peak of the rainy seasons. Silt contents in plots 1, 2 and 3 were significantly higher than that of plot 4 (farmed area).…”

Section: Soil Particle Size and Soil Textural Classmentioning

confidence: 97%

“…This free grazing pattern was very obvious during the study. International Livestock Research Institute, ILRI (1997) and Odunze et al (1996) reported that this over-grazing, has its attendant problems such as enhanced soil erosion, de-vegetation of the land area and desert encroachment. Crop production in the zone involves ploughing, harrowing and ridging.…”

Section: Introductionmentioning

confidence: 99%

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Physical and chemical composition of soil collected from different habitats of Dumbi Inselberg in Zaria, Northern Guinea savanna, Nigeria

Tanko¹

2018

Net J Agric Sci

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For effectively functioning ecosystems, soil conservation in the means of physical and chemical properties is essential. Granite ecosystems have not received much attention in research and therefore, this study was carried out at an inselberg in Zaria in Nigeria. In the scope of this research, soils samples were collected at four locations (farmed lands, windward side, leeward side and the top of the inselberg) at depths 0 to 15 cm, 15 to 30 cm and 30 to 45 cm. The samples were analyzed for soil textural class, pH value, Organic Carbon and Exchangeable Cations. The study revealed higher percentage of clay and silt (28.93 and 12.90% respectively) in the windward samples which differed significantly (p < 0.05) with the other samples. Increase in clay contents with depth was statistically significant (p < 0.05). Silt in windward, leeward and inselberg did not differ significantly (p > 0.05), however the 3 samples differ significantly (p < 0.05) with the farmland. Sand distribution showed significant (P < 0.05) decrease with depth. The windward and cultivated soil samples had sand-clay-loam soil while the leeward and the rock outcrop had sandy-loamy soil. The soil pH ranged between 5.4 and 6.0 in all the samples. The pH in the cultivated plot differed significantly (P < 0.05) with the other 3 plots. The Organic Carbon (OC) was moderate (10.58 kg -1 ) in the leeward plot very low (<10 gkg -1 ) in the other plots. OC showed a significant (P < 0.05) decrease with depth. Exchangeable Magnesium differed significantly (p < 0.05) with depths but not with plots. The higher acidic reaction of cultivated soil compared to the other plots was probably caused by the use of inorganic fertilizer during crop farming. The medium soil organic content at the top soil was expected because organic debris often accumulated at the top soil. Significant increase in magnesium with depth was probably due to leaching. The soil characteristics of the study site revealed the nutrients level to be lower than expected of a forest outlier, rather, it correspond with other soils of the savanna wood land. This is an indication that inselberg's habitats are currently witnessing degradation. Further studies on other inselbergs are hereby recommended.

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Section: Soil Particle Size and Soil Textural Classmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Physical and chemical composition of soil collected from different habitats of Dumbi Inselberg in Zaria, Northern Guinea savanna, Nigeria

Tanko¹

2018

Net J Agric Sci

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“…Another constraint is the farmers' economy, which is largely nonmonetized. Since institutional capacities are poor and available household labor is often a major bottleneck for production (M atlon, 1991 ;Bolwig, 1995), suggestions demanding agronomic extension expertise, external inputs, and additional labor inputs, such as contour bonds or hedgerows (Odunze et al, 1996), are likely to fail. The application of livestock manure will for years to come be the best strategy for sustaining soil productivity, and the work associated with its collection could be facilitated by such simple means as donkey carts.…”

Section: Soil Resource Sustainability and Degradationmentioning

confidence: 99%

Soil Fertility Variability and Constraints on Village Scale Transects in Northern Burkina Faso

Krogh¹

1999

Arid Soil Research and Rehabilitation

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Soil variability has a profound impact on crop yields in low-input agriculture. T he objectives of this study were to examine soil fertility variability and to identify potential soil constraints relating to farmers' conditions for agricultural production in the Sahelian zone of northern Burkina Faso. Surface soil ( 0 20 cm) and subsoil ( 20 100 cm) were sampled from 25 pedons on village-scale transects embracing three genetic soil units : two generations of sandy dune soils showing incipient development ; a complex unit of clayey pediplain soils with duplex properties showing both alkaline and acid subsoil reaction; and hydromorphic, clayey valley bottom soils. Particle size distribution, pH, electrical conductivity, cation exchange capacity, exchangeable base cations and acidity, soluble base cations, organic carbon, nitrogen, total and available phosphorus, moisture constants, and bulk density were determined. Contents of organic carbon, total nitrogen, total and available phosphorus, and exchangeable potassium are low in all soils and are presumably major constraints. T he sodium in uenced clayey soils show high absolute variability ; properties that vary are subsoil clay ( 5.8 38.5%) , pH ( 5.8 10.0) , cation exchange capacity ( 4.49 24.81 kg ] 1 ) , exchangeable sodium percentage ( 0 26) , as well cmol c as electrical conductivity, structure, consistency, and available water holding capacity. T he sandy soils are homogeneous and not as acid as elsewhere in the Sahel, presumably due to a dust in ux. T he soil fertility is generally low but highly variable, implying that constraints within production units may consist of multiple combinations of adverse chemical and physical properties, conceptually consistent with the low and variable millet yields. T he variability also implies that soil characterization depends on the design of soil sampling, that average values are of doubtful use, that application of chemical fertilizers will produce very di erent results, and that there is no general scheme for correcting soil fertility. T he application of livestock manure will continue to be the best strategy for sustaining soil productivity.

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“…Soils of the Northern Guinea savanna ecoregions of Nigeria have low fertility status, poor water holding capacity, and low organic matter contents (Sanchez, 1976;Lombin, 1987;Jones and Wild, 1975;Kowal, 1970;Adeoye, 1982;Odunze et al, 1996). The soils also have a dominance of low activity clays in the surface horizons (Esu and Ojanuga, 1985;Pierce and Lal, 1994;Frye et al, 1982;) following effects of soil erosion and cultivation practices.…”

Section: Introductionmentioning

confidence: 99%

Mulching Practice in a Semi-Arid Zone of Nigeria for Soil Erosion Control and Grain Yield of Maize

Odunze

2002

Journal of Sustainable Agriculture

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Water erosion is a major factor degrading soils of the Nigerian semi-arid ecoregions, and making agriculture less sustainable. For example, soil erosion in the Northern Guinea savanna ecozones of Nigeria is prominent in cultivated areas during the early part of the rain-fed crop production season, when most soil surfaces are bare. In order to estimate the magnitude and timing of soil loss from cultivated lands. Selected herbaceous legumes (Macrotyloma uniflorum, Stylosanthes hamata and Mucuna pruriens) were inter-cropped with maize, a sole maize and a maize/straw mulched treatments were also maintained and evaluated for soil loss control potential. Sediments were collected in 94 liter capacity drums in each treatment. This study was carried out in Zaria (between longitudes 7°30Ј and 7°50Ј E and latitudes 11°00Ј and 11°10Ј N) in 1993 and 1994. Results obtained show that generally, higher sediment yields in 1993 and 1994, were received under legume live mulch and sole maize treatments, than straw mulch. Macrotyloma live mulch however controlled soil loss better than the other legume live mulch and sole maize. Straw mulch, followed by Stylosanthes and Macrotyloma live mulch treatments resulted in significantly higher maize grain yields than sole maize and Mucuna live mulch treatment. Measured and estimated soil loss, and suitable management practices that would ensure sustained productivity of the soils were suggested.

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Nigerian subhumid savanna zone alfisols for sustainable crop and livestock production

Cited by 5 publications

References 5 publications

Physical and chemical composition of soil collected from different habitats of Dumbi Inselberg in Zaria, Northern Guinea savanna, Nigeria

Physical and chemical composition of soil collected from different habitats of Dumbi Inselberg in Zaria, Northern Guinea savanna, Nigeria

Soil Fertility Variability and Constraints on Village Scale Transects in Northern Burkina Faso

Mulching Practice in a Semi-Arid Zone of Nigeria for Soil Erosion Control and Grain Yield of Maize

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