Almasi, M., Kaiani, S. & Loveimi, N. (1999). Principles of agricultural mechanization (4th edition). Hazrate Masoumeh Pub.
Andersson, J.A. & D’Souza, S. (2013). From adoption claims to understanding farmers and contexts: A literature review of Conservation Agriculture (CA) adoption among smallholder farmers in southern Africa. Agric. Ecosys. Enviro., from http://dx.doi.org/10.1016/j.agee.2013.08.008.
Bear, M.H., Hendrix P.F. & Coleman, D.C. (1994). Water stable aggregates and organic matter fraction in conventional and no tillage. Soil Sci. Soc. Am. J, (58), 777 -786.
Behaeen, M. A., Afzalinia, S & Roozbeh, M. (2011). Impact of Crop Residue Management on the Crop Yield, Soil Organic Matter, and Soil Properties in Irrigated Wheat-Corn Rotation. 11th International Congress on Mechanization and Energy in Agriculture, September 21-23, Istanbul, Turkey.
Bhattacharyya, R., Prakash, V., Kundu, S., Srivastva, A.K & Gupta, H.S. (2009). Soil aggregation and organic matter in a sandy clay loam soil of the Indian Himalayas under different tillage and crop regimes. Agric. Ecosyst. Environ, (132), 126-134.
Botta, G. F., Becerra, A. T. & Melcon, F. B. (2009). Seedbed compaction produced by traffic on four tillage regimes in the rolling Pampas of Argentina. Soil and Tillage Research, 105 (1), 128-134.
Cooper, J., Baranski, M., Stewart, G., Nobel-de Lange, M., Bàrberi, P., Fließbach, A., . . . Casagrande, M. (2016). Shallow non-nversion tillage in organic farming maintainscrop yields and increases soil C stocks: a meta-analysis. Agronomy for Sustainable Development. 36(1), 22.
De Vita, P., Di Paolo, E., Fecondo, G., Di Fonzo, N. & Pisante, M. (2007). No-tillage and conventional tillage effects on durum wheat yield, grain quality and soil moisture content in southern Italy. Soil and Tillage Research, (92), 69–78.
Erenstein, O. & Laxmi, V. (2008). Zero tillage impacts in India’s rice–wheat systems: A review, Soil and Tillage Research, (100), 1–14.
Ghodsi, M. (2013). The Effect of conservation and conventional Tillage on Wheat Yield and Water Use Efficiency in Chenaran. Final report, Seed and plan improvement Institute. (In Farsi)
Gholami, M. (2010). The effect of different safflower tillage methods on the performance of agricultural machines. 6th National Conference on Agr. Machinary Engineering and Mechanization. Tehran, Iran
Gozubuyuk, Z., Sahin, U., Ozturk, I., Celik, A. & Adiguzel, M.C. (2014). Tillage effects on certain physical and hydraulic properties of a loamy soil under a crop rotation in a semi-arid region with a cool climate. Catena, 118, (pp.195-205).
Guerif, J., Richard G., Durr C., Machet J.M., Recous S. & Roger-Estrade J. (2001). A review of tillage effects on crop residue management, seed bed conditions and seedling establishment. Soil and Tillage Research, (61), 13-32.
Jat, M.L., Gathala, M.K., Ladha, J.K., Saharawat, Y.S., Jat, A.S., Kumar, V., Sharma, S.K. Kuma, V. & Gupta, R. (2009). Evaluation of precision land leveling and double zero-till systems in the rice–wheat rotation: Water use, productivity, profitability and soil physical properties. Soil and Tillage Research, 105 (1), 112-121.
Jat, H.S., Datta, A., Sharma, P.C., Kumar, V., Yadav, A.K., Choudhary, Madhu. (2017). Assessing soil roperties and nutrient vailability under conservation agriculture practices in a reclaimed sodic soil in cereal-based systems of North-West India. Archives of Agronomy and Soil Science. https://doi.org/10.1080/03650340.2017.1359415
Kaspar, T.C., Erbach D.C. & Cruse R.M. (1990). Corn response to seed-row residue removal. Soil Sci. Soc. Am. J, (54), 1112-1117.
Montgomery, D. R. (2007). Soil erosion and agricultural sustainability. P. Natl. Acad. Sci. USA, (104), 13268-13272.
Ozpinar, S., Cay, A., 2006. Effect of different tillage systems on the quality and crop productivity of a
clay -lom soil in semi arid north- western turkey. Soil and Tillage, 88:95-106
Rusu, T. (2005). The influence of minimum tillage systems upon the soil properties, yield and energy efficiency in some arable crops. Journal of Central European Agriculture, 6(3), 287-294.
Salem, H.M., Valero, C., Muñoz, M.Á., Rodríguez, M.G. & Silva, L.L. (2015). Short-term effects of four tillage practices on soil physical properties, soil water potential, and maize yield. Geoderma, 237, pp.60-70.
Sims, B.G. and O'Neill, D.H. (1994). Testing and evaluation of agricultural machinery and equipment: Principles and practices (No. 110). Food & Agriculture Org.
Shafiee, S, A. (1993). Principles of farm machinery. University of Tehran Publication, First edition.
Verhulst, N., Goverts, B., Verachtert, E., Castellanos-Navarrete, A., Mezzalma, M., Wall, P., Deckers, J., Sayre, K. D. (2010). Conservation Agriculture, Improving Soil Quality for Sustainable Production Systems In: Lal, R., Stewart, B.A. (Eds), Advances in S oil Science, Food Security and Soil Quality. CRC Press, Boca Raton.
)