Ploughing between the vines has the following effects
- Aeration of the soil, which provides essential oxygen to the various soil organisms. Invertebrates, fungi and bacteria play a vital role in helping the vine roots assimilate nutrients.
- Weed control. Excessive weed growth can have a negative effect on the vine through competition for nutrients, water and even sunlight.
- Forming a thin surface layer of dry soil which acts like a mulch, retaining moisture in the sub-soil