Soil Fertility Under Continuous Cultivation in Northern Nigeria. II. Responses to Fertilizers in the Absence of Organic Manures

Heathcote, Richard; Stockinger, K. R.

doi:10.1017/s0014479700009832

Cited by 48 publications

(18 citation statements)

References 3 publications

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“…sulphate induced soil acidity and [(NH 4 ) 2 SO 4 ] decreased cation exchange capacity (CEC) of savanna soils after 19 years of cultivation. However, the decreases in CEC and the increases in soil acidity were reversed by farmyard manure (Heathcote 1970 ;Jones and Stockinger 1976).…”

Section: Introductionmentioning

confidence: 96%

The cation exchange properties and microbial carbon, nitrogen and phosphorus in savanna Alfisol under continuous cultivation

Goladi

Agbenin

1997

J. Sci. Food Agric.

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Section: Introductionmentioning

confidence: 96%

The cation exchange properties and microbial carbon, nitrogen and phosphorus in savanna Alfisol under continuous cultivation

Goladi

Agbenin

1997

J. Sci. Food Agric.

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“…The increasing pressure on land, with the traditional practices employed to restore the fertility of these soils, have been rendered unsuitable, as quick fertility restorative practices are needed to meet the increasing demand for food crop production . About 70 % of the Nigerian population depends on farming for their livelihood and 90 % of these groups are constrained by resources (Heathcote, 1970;Jones and Stockinger, 1976).…”

Section: Introductionmentioning

confidence: 99%

Effects of Cow Dung on the Growth and Development of Maize Crop

Tanimu¹,

Zaria.²,

Uyovbisere³

et al. 2013

GJAS

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Greenhouse and Field experiments were conducted at the Institute for Agricultural Research and Samaru College of Agriculture, Ahmadu Bello University, Zaria. The objectives of the experiments were to evaluate the combine effects of cow dung subjected to different management practices and Urea fertilizer on some Maize growth parameters and to observe the residual effects of the cow dung in the second year. The experiment was a factorial experiment, 3 management practices, 4 duration of storage, and 2 nitrogen levels, laid out in a Randomized complete block design and replicated three times. The Greenhouse study revealed that, combining cow dung subjected to different management practices (pit covered May and surface heaped uncovered June) and Urea at 45 kg N ha -1 gave significantly (P < 0.05) higher dry matter yield and surface heaped covered April treatment gave taller plants, which were statistically at par with NPK treatment (120 kg N ha -1 ). The results of the field studies for the two years were consistent on the dry matter yield and plant height. The field studies showed that, the direct effect, N amended surface heaped covered April gave the highest Maize Stover yield for the two seasons, while on the residual effect, N amended, the surface heaped uncovered March treatments gave the highest stove yields. On plant height, the direct effect N amended surface heaped uncovered May treatments gave significantly taller plants than all other treatments in the two seasons. While on the residual effect, the surface heaped covered April treatment was the one that gave taller plants in the two seasons.

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“…Recognition of K deficiency in soils of the subhumid zone of Nigeria has been relatively recent (Heathcote and Stockinger, 1970). Early trials carried out in this zone and the rest of the savanna zone reflected little evidence of deficiency, showing responses to phosphorus (P) and nitrogen (N), and sometimes to sulphur (S), but not to K (Goldsworthy, 1967ab).…”

Section: Introductionmentioning

confidence: 99%

“…Early trials carried out in this zone and the rest of the savanna zone reflected little evidence of deficiency, showing responses to phosphorus (P) and nitrogen (N), and sometimes to sulphur (S), but not to K (Goldsworthy, 1967ab). As cropping becomes more intensive without supplementary K, the drain on the soil K will increase and the occurrence of K deficiency will become more widespread (Heathcote, 1970;Wild, 1971). This suggests that soils under different land-use systems will have different K status thereby affecting both pasture and crop production.…”

Section: Introductionmentioning

confidence: 99%

Potassium status of some selected soils under different land‐use systems in the subhumid zone of Nigeria

Tening

Omueti

Tarawali³

et al. 1995

Communications in Soil Science and Plant Analysis

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Twenty surface soils (0 to 15 cm), selected to represent a wide range of available potassium (K) status and three different land-use systems (fodder bank, continuously fertilized cropped land and fallow land) across the subhumid zone of Nigeria, were used for the investigation. Laboratory and greenhouse studies were carried out to assess their K status. Available, nonexchangeable, and total K were determined. The supplying power of the soils was assessed by exhaustive cropping in the greenhouse using Stylosanthes hamata cv. Verano as the indicator plant. While 75% of fodder banks sampled had available K less than 0.20 cmol/kg, only 50% and 13% of continuously fertilized cropped and fallow lands, respectively, had available K less than 0.20 cmol/kg. Potassium weathering coefficient was highest at the lowest exchangeable K and highest [calcium (Ca) + magnesium (Mg)]/K ratio. Total K ranged from 2.30 to 47.06 cmol/kg, with available K forming 1.47% of the total K. The amount of non-exchangeable K released and taken up by stylo plant accounted for 23.3 to 83.6% of the total K uptake.

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Soil Fertility Under Continuous Cultivation in Northern Nigeria. II. Responses to Fertilizers in the Absence of Organic Manures

Abstract: SUMMARYInitial results of long-term trials in northern Nigeria indicate that deficiencies of potassium and trace elements, and soil acidity, may become important under continuous cultivation on some soils, in addition to the more common deficiencies of nitrogen and phosphorus.

Cited by 48 publications

References 3 publications

The cation exchange properties and microbial carbon, nitrogen and phosphorus in savanna Alfisol under continuous cultivation

The cation exchange properties and microbial carbon, nitrogen and phosphorus in savanna Alfisol under continuous cultivation

Effects of Cow Dung on the Growth and Development of Maize Crop

Potassium status of some selected soils under different land‐use systems in the subhumid zone of Nigeria

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