Ahmadi, M. M., KHoshtaghaza, M. H.and Mahdizadeh, R. 2008. Comparison some physical attribute of wheat and lentil. Third agricultural machinery engineering conference. (in Persian).
Chen, J.M., Yu, C.C., Lei, J. H. J. M. and Chang, C.F.1993. A multipurpose vacuum seed planter for vegetable crops plantings. Agric. For. 42(1): 1-18.
Dibaee nia, b. 1992. Design components in mechanic engineering. Tehran University Jihad. Pub. (in Persian)
Dong, H. D., ZhangTang, W. and Li, W. Z. 2005. Effects of planting system, plant density and flower removal on yield and quality of hybrid seed in cotton. Field Crops Research. 93, 74-84.
Ehteshamnia, A. and Jafari, S. M. 2010. Evaluation of Some Physical Properties of Cucumber. J. Agric. Sci. Technol. ISSN. 1939-1250, USA.
Gaikwad, B.B. and Sirohi, N.P.S. 2007. Design of a low-cost pneumatic seeder for nursery plug trays. Bios. Eng. 99, 322-329. (in Persian).
Guarella, P., Pellerano, A. and Pascuzzi S. 1995 Experimental and theoretical performance of a vacuum seeder nozzle for vegetable seeds. Agric. Eng. Res. 64, 29-36.
Hanacek, W. and Bickel, A. 1984. Singulating seeder for high density plugs trays.United states patent: Bud Antle. Inc.
Javanmardi, J. 2008. The guide of seedling produce. Mashhad University Jihad. Pub. (in Persian).
Javanmardi, J. 2010. "Scientific and practical bases for the production of vegetable seedlings". Mashhad University Jihad. Pub. (in Persian).
Karimi, K. 2008. greenhouse cultivation. Yazd thinkers. Pub (in Persian).
Kirk, A. l. 2003. Rotary drum seeder. United states patent. US 6520111 B2.
Marr, C. W. 1991 .A planting template for plug flats. Horticultural Technology. 24, 120-12.
Mousavizadeh, S., J. Mashayekhi, K., Garmakhany, A., Movahedi, A., Rezvani, M. and Hemati, A. 2013. Design, Development and Evaluation of an automated pneumatic system to provide seeder seedling tray. J. Agric. Machin. 65-70. (in Persian).
Sadeghi, A. M. 2015. Design, construction and evaluation of a semi-automatic seedling tray seeder. M. Sc. Thesis. Faculty of Agriculture. Ferdowsi University. Mashhad. Iran. (in Persian)
Tavallaee, M. 2013. The guide of implant greenery tomato and cucumber. AREEO. Tehran.Iran. (in Persian).
Yalinejad, M. H. 1997. Energy management of greenhouse. Zeytoon. 135, 40-43.
Zhan, Z. 2010. Numerical analysis and laboratory testing of seed spacing uniformity performance for vacuum-cylinder precision seeder. Bios. eng. 106, 344-3.