1.   Aerate the soil by spiking with a fork.

2.   You should aerate the soil before planting the seeds.

3.   And add plenty of compost, which helps aerate the soil and improve water retention.

4.   Aerate the soil before the lawn begins to put on top growth in the spring.

5.   Aerate the soil, too.

6.   Aerate the soil.

7.   But the real danger to earthworms from excessive tillage is that it aerates the soil, drying it out and reducing the organic matter that they need to survive.

8.   Leaf-cutters in tropical countries are essential to recycling plant material and to keeping the soil aerated as earthworms do in more temperate climates.

9.   More earthbound tasks include fertilizing, aerating the soil and cleaning up with a chipper and a rake without injuring other plantings.

10.   Ploughing aerates the soil, helping rot weeds and crop residues.