Awadhwal, N. K. and Thierstein, G. E. 1983. Development of rolling type soil crust breaker. AMA. 14(4): 31-33.
Bilbro, J. D. and Wanjura, D. F. 1982. Soil crusts and cotton emergence relationships. Trans. ASAE. 25(6): 1484-1494.
Chu, Y. N., Coble, C. G. and Jordan, W. R. 1991. Cotton emergence force as affected by soil temperature, moisture, and compression. Crop Sci. 31, 405-409.
Fox, W. E. 1964. Cracking characteristics and field capacity in a swelling soil. J. Soil Sci. 98, 413.
Gerard, C. J. 1980. Emergence force by cotton seedling. Agron. J. 72:473-476.
Goyal, M. R. 1982. Soil crusts seedling emergence. Review AMA. 13, 62-78.
Guidi, G., Pera, A., Giovannetti, M., Poggio, G. and Bertoldi, M. 1988. Variations of soil structure and microbial population in a compost amended soil. Plant Soil. 106, 113-119.
Heege, H. J. 1993. Seedling methods performance for cereals rap and beans. Trans. ASAE. 36, 653-661.
Hemmat, A. and Khashoei, A. A. 2003. Emergence of irrigated cotton in flatland planting in relation to furrow opener type and crust breaking treatments for Cambisols in centeral Iran. Soil & Till. Res. 70, 153-162.
Karalis, T. K. 2003. Integrated effects on the shrinkage stresses from the water loos in the soft cohesive soil. Inte. J. Eng. Sci. 41, 371-385.
Koochaki, A. 1994. Cultivation in arid regions. Jihad- Daneshgahi Pub. Mashad. Iran. (in Farsi)
Miller, D. E. and Gifford, R. O. 1970. Modification of soil crusts for plant growth. In "Soil Crust". Tech. Bull. 214. Agric Expt. Sta. Univ. Arizona.
Richards, L. A. 1953. Modulus of rupture as an index of crusting of soil. Soil Sci. Soc. Am. Proc. 217, 321-323.
Robertson, E. B., Sarig, S. and Fireston, M. K. 1991. Cover crop management of polysaccharide-mediated aggregation in an orchard soil. Soil Sci. Soc. Am. J. 55, 734-739.
Taki, O. 2004. The improvement of seedling emergence by crack development in crusting soils. PhD Thesis. Cranfield University at Silsoe. Bedfordshire. UK.
Taki, O. and Godwin, R. J. 2006. The creation of longitudinal cracks in shrinking soil to enhance seedling emergence. Part II. The effect of surface micro-relief. Soil Use Manage. 22, 305-314.
Taki, O., Godwin, R. J. and Leeds-Harrison, P. B. 2006. The creation of longitudinal cracks in shrinking soil to enhance seedling emergence. Part I: The effect of soil structure. Soil Use Manage. 22, 1-10.
Wolf, D. and Hards A. 1984. Soil compaction effects on cotton emergence Trans. ASAE. 30, 655-659.