Ploughing and turning over the soil aerates the soil so the roots of plants are able to thrive well. Ploughing the roots of leguminous plants back to the soil returns nutritents and organic matter to the soil organically rather than using synthetic fertilisers which are potentially hazardous to the environment.
A. a form of gene
it can be either recessive or dominant
<span>microorginisms tinggal di usus memecah makromolekul / membantu pencernaan</span>
