Soil Moisture Contents as a Determining Factor Machinery Selection
Abstract
A simulation model to predict the daily fluctuations of soil moisture content was developed using the Versatile Soil Moisture Budget (VSMB) equation by employing pascal computer language. The model was tested against actual field data and showed fairly accurate results. The correlation coefficient 0.99 .
References
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Allman, M.S. and Knoke. 1947. The pf of the soil moisture at the wet limit of plowing range. American Society of Soil proceeding 12: 22-23.
Doorenbos, J. and W.O. Bruitt. 1975. Guidelines for predicting crop water requirement, irrigation and drainage paper no. 24, Food and Agriculture Organization of the United Nations, Rome, 179p.
Fadl, O.A.A. 1978. Neutron probe measurement of evapotranspiration
Gezira Research Station. Annual Reports. Wad Medani, Sudan.
Farbrother, H. G. 1969. Cotton Research Annual Reports. K London. UK.
Gerbs B. W. 1966. The effect of surface applied wheat straw on soil water losses by solar distillation. Soil Science Society of America Proceedings 30: 786-788.
Gosse, G.A., A. Perrier and B. Itler. 1977. An International Commission of Irrigation Development bulletin 43 (2): 1-34.
Hillel. D. 1980. Fundamentals of Soil Physics. Academic Press Inc. Orlando. Florida 32887. U.S.A.
Hunt. D.R. 1986. Engineering Models for Agricultural Production. AVI Publishing Company Inc. Westport.. Connecticut. USA.
Hudson, N.W. 1975. Field Engineering for Agricultural Development. Clarendon, Oxford, UK.
Katerj, N. and A. Perrier. 1983. An International Commission of Irrigation Development Bulletin 43 (2): 1-34.
Krause, R. and F. Lorenz. 1984. Soil tillage in the tropics and subtropics, GTZ. Dag. Hammerskjold-Weg I -2, D6236, Eschborn l. Germany.
Ligon T.J., G.R. Beniot and A.B. Elam. 1965. Procedure for American soil moisture deficiency and excess. Transactions of the Society of Agricultural Engineering 8 (2): 219-222.
McCulloh, J.S.G. 1965. Tables for the rapid computation of the Penman estimates of evapotranspiration. East Africa Agriculture and Forestry Journal 2: 286-295.
Nath. S. and W. H. Johnson. 198(). Development of soil moisture model to predict soil moisture and tractability for harvesting. Agricultural Mechanization in Asia, Africa and Latin America. (AMA) 11(1):73-78.
Schwab G.I. R.K. Frevert, T.W. Edminster and K.K. Barnes. 1966. Soil and Water Conservation Engineering. 3rd Edition John Wiley and Sons Inc. New York. London.
Shaw, R. H. 1963. Prediction of soil moisture under oats for spring Period. Lowa State Journal of Science 37(4): 417-424.
Simalenga, T. E. 1989. Simulation model to predict field workdays and its use in machinery selection under tropical conditions. Ph.D. Thesis. Royal Veterinary and Agricultural University, Agrovej, Denmark.
Witney, B. D. and K. Eradat Oskouki. 1982. The basis of tractor power selection on arable farm. Journal of Agricultural Engineering Research 27:513-527.
Published
2021-06-28
How to Cite
D. E1FADIL, Abdelkarim; A. ALI, Mohammed; I. MOHAMMED, Hassan.
Soil Moisture Contents as a Determining Factor Machinery Selection.
Gezira Journal of Agricultural Science, [S.l.], v. 2, n. 2, p. 131-142, june 2021.
ISSN 1728-9556. Available at: <http://37.60.236.48/index.php/gjas/article/view/2007>. Date accessed: 03 june 2026.
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