1. Puddling and N management effects on crop response in a rice–wheat cropping system;Aggarwal;Soil Till. Res.,1995
2. Techno-economic performance of a self-propelled rice transplanter and comparison with hand transplanting for hybrid rice variety;Alizadeh;Int. J. Nat. Eng. Sci.,2011
3. Studies on puddled soil characteristics for self-propelled rice transplanter;Behera;Agric. Mech. Asia Afr. Lat. Am.,2003
4. Effect of puddling on puddled soil characteristics and performance of self-propelled transplanter in rice crop;Behera;Agricultural Engineering International,2009
5. Bulk density;Blake,1986