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| Titel: |
Integrated Soil Water and Nutrient Management for Late Season Crop Production Systems in the Nigerian Savanna |
| Auteur: |
J.O. Ogunwole A.B. Lawal J.D. Olarewaju K. Audu D.I. Adekpe O.O. Ugbabe D.T. Yaro E.Y. Oyinlola |
| Verschenen in: |
Journal of agronomy |
| Paginering: | Jaargang 5 (2006) nr. 2 pagina's 314-320 |
| Jaar: |
2006 |
| Inhoud: |
The agronomic, ecological and economic aspects of some organic waste application along with water harvesting techniques on the performance of off-season tomatoes and late season roselle and cotton in a dry land savanna agroecosystem were investigated. Different organic materials were applied as amendments to soil for tomato production under soil residual moisture condition. In addition, roselle and cotton were cultivated using tied ridge moisture conservation technique and different nutrient sources in a savanna Alfisols at Samaru, Nigeria. The use of organic amendments produced similar fruit yield with those tomato receiving mineral fertilizer amendment. Organic amendments produced tomato fruit with 70 to 80% marketable yield while, 84% of the fruit yield were marketable under mineral fertilizer application. Net income from sales of tomato under organic amendments showed that they could produce comparative profit margin with those produced from mineral fertilizers. Trace and heavy metal accumulation in tomato leaves were generally within the critical concentrations of those elements in plants. The tied ridge technique significantly increased cotton yield by 54% when compared with the conventional open ridge technique. In addition, cowdung amendment produced 42% more seed cotton than the recommended practice of using mineral fertilizer. Cost-benefit ratio revealed that the use of organic waste material in cotton production resulted in a positive net returns. Hence, application of organic waste to soils is potentially an important means of recovery of soil organic matter and an essential disposal method. |
| Uitgever: |
Asian Network for Scientific Information (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 37 van 66 gevonden artikelen
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