Anonymous 1990. Association of Official Analytical Chemists (AOAC), 15th ed., Washington DC, USA.
Balkon, K. S., Reeves, D. W., Shaw, J. N., Burmester, C. H., and Curtis, L. M. 2006. Cotton yield and fiber quality from irrigated tillage systems in the Tennessee Valley. Agronomy Journal 98: 596-602.
Bohrani, M. 1998. Crop residue management in irrigated farming. Proceedings of the 5th Iranian Crop Sciences Congress. Shiraz University, Shiraz, Iran. Page 656 (in Persian).
Cassel, D. K., Raczkowski, C. W., and Denton, H. P. 1995. Tillage effects on corn production and soil physical conditions. Soil Science Society of American Journal 59: 1436-1443.
Daddow, R. L., and Warrington, G. F. 1983. Growth limiting soil bulk densities by soil texture watershed systems. Development group, Report No. WSDG-TN- 000005. USDA Eorestry Service. USA.
Doren, D. M., Van, G. B., and Henry, J. E. 1976. Influence of long term tillage. Crop rotation, and soil type combinations on corn yield. Soil Science Society of American Journal 40: 100-105.
Galantini, J. R., Rosell, A., Andriulo, A., Miglierina, A., and Iglesias, J. 1992. Humification and nitrogen mineralization of residues in semi-arid argentina. Science of the Total Environment 117-118: 263-270.
Griffith, D. R., Kladirko, E. J., Mannering, J. V., West, T. D., and Parsons, S. D. 1988. Long- term tillage and rotation effects on corn growth and yield on high and low organic matter, poorly drained soils. Agronomy Journal 80: 599-605.
Jamshidian, R., and Khajehpoor, M. R.1999. Effects of seedbed preparation methods on soil nutrition and compaction and mungbean stablishment after wheat harvesting. Journal of Science and Technology of Agriculture and Natural Resources 2: 130-143.
Johnson, A. I. 1962. Methods of measuring soil moisture in the field. Geological Survey Water Supply. Paper 1619-U.
Lal, R., Mohboubi, A., and Fausey, N. R. 1994. Long- term tillage and rotation effects on properties of central ohio soils. Soil Science Society of American Journal 58: 517-522.
Larson, W. E., Holt, R. F., and Carlson, C. W. 1978. Residues for soil conservation P. L- 15. In: Oschward, W. R. Crop Residue Management Systems. Spec. Pub. 31 American Society of Agronomy. Madison. WI. USA.
Limon-Ortega, A., Sayer, K. D., Drijber, R. A., and Francis, C. A. 2002. Soil attributes in a furrow- irrigated bed planting system in northwest mexico. Soil and Tillage Research 63: 123-132.
Linden, D. R., Clapp, C. E., and Dowdy, R. H. 2000. Long-term corn grain and stover yields as a function of tillage and residue removal in east central Minnesota. Soil Tillage Research 56: 167-174.
Motamed, A. 1997. Effects of nitrogen and phosphorus on quantitative and qualitative properties of Reyhan variety of barley. Seed and Plant 13: 39-29 (in Persian).
Najafinezhad, H., Javaheri, M. A., Geibi, M. and Rostami, M. A. 2007. Influence of tillage practices on the grain yield of maize and some soil properties in maize - wheat cropping system of Iran. Journal of Agriculture and Social Sciences 3: 87-90.
Najafinezhad, H., Rashidi, N., and Ravari, S. Z. 2005. Effects of seedbed preparation methods on yield of grain corn and some soil properties in double croping system. Seed and Plant 21: 315-330 (in Persian).
Nesmith, D. S., Eradcliffe, D., Hargrove, W. L., and Elark, R. L. 1987. Soil compaction in double-cropped wheat and soybean on anultisol. Soil Science Society of American Journal 51: 183-186.
Olsen, S. R., Cole, C. V., Watanabe, F. S., and Dean, L. A. 1954. Estimation of available phosphorus in soils by extraction with sodium bicarbonate. USDA, Washington, DC., USA.
Osuagwu, G. G. E., and Edeoga, H. O. 2012. The influence of water stress (drought) on the mineral and vitamin content of the leaves of Gongronema latifolium (Benth). International Journal of Medicinal and Aromatic Plants 2: 301-309.
Power, J. F., and Doran, J. W. 1988. Role of crop residue management in nitrogen cycling and use cropping strategies for efficient use of water and nitrogen. ASA Special Publication 51. Hargrove, W.L. Madison, WI, ASA-CSSA-SSSA, Inc., USA.
Raimbault. B. A., and Vyn, T. J. 1991. Crop rotation and tillage effects on corn growth and soil structural stability. Agronomy Journal 83: 979-985.
Sayer, K. D., Mezzalama, M., and Martinez, M. 2001. Tillage, crop rotation and crop residue management effects on maize and wheat production for rain fed conditions in Altiplane of central Mexico. CIMMYT, Mexico, D. F. Mexico.
Sparks, D. L. 1987. Potassium dynamics in soils. Advances in Soil Science 6:1-63.
Sparks, D. L. 1996. Methods of soil analysis. Part 3 - Chemical methods. SSSA Book Series No. 5. SSSA and ASA, Madison WI., USA.
Tanguilig, V. C., Yambao, E. B., Toole, J. C. O., and DeDatta, S. K. 1987. Water stress effects on leaf elongation, leaf water potential, transpiration, and nutrient uptake of rice, maize, and soybean. Plant Soil 103:155.
Undersander, D. J., and Reiger, C. 1985. Effect of wheat residue management on continuous production of irrigated winter wheat. Agronomy Journal 77: 508-511.
Wilhelm, W. W., Johnson, J. M. F., Hatfield, J. L., Voorhees, W. B., and Linden, D. R. 2004. Crop and soil productivity response to corn residue removal. Agronomy Journal 96: 1-17.
Zhang, S., Lovdahl, L., Grip, H., Tong, Y., Yang, X., and Wang, Q. 2009. Effects of mulching and catch cropping on soil temperature, soil moisture and wheat yield on the Loess Plateau of China. Soil and Tillage Research 102: 76-86.
Zuber, M.S., and Smith, G. E. 1975. Crude protein of corn grain and stover as influenced by different hybrids, Plant populations and nitrogen levels. Agronomy Journal 46: 251-257.
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