1. Rotating arable crops with clover and grass leys where the fields are effectively rested (but rejuvenated by going back to grass). The use of clover and other legumes is added to the mix to fix nitrogen in the soil. These plants extract nitrogen from the air and effectively place them in the soil. This is a slow process, since traditionally the rotation has been two years of crops and three years of grass and clover. It is a good strategy because it provides excellent grazing opportunities for livestock during this rest period. The demand for grazing on any farm would have an impact on how much of the farm has been set aside for grass in this way.

2. The second strategy is to plant cover crops which are not harvested but may be grazed and which enrich the soil. There are a wide variety of cover crops available for this purpose.

3. Acquiring high quality manures from dairies and other livestock enterprises. This picture gives an idea of the quality of the material that has been brought onto the farm. This is natural fertilizer at its best. Lower Pertwood Farm brings in approximately 5,000 tonnes of high quality organic fertilizer every year. However, as the fertility of the farm improves steadily our requirements will diminish because the soil becomes self-sustaining.