Conservation agriculture embraces the three principles of minimal soil disturbance, maximum residue cover and diverse crop rotations. However, organic farmers are reluctant to give up their ploughs due to concerns about weeds, crop disease and nutrient supply. Agronomists Cooper et al. review data from organic experiments and found that yields were not as negatively affected by reduced tillage intensity as expected.
Yes, I am looking for a more sustainable hand driven plough. At the moment I use a pick axe which does a lot of breaking up of microbial activity of the soil. Thanks for your learned comments,