11. Caveat : Growing in moist, heavy soil can result in root rot and fungal disease. 12. It causes heavy soil erosion during the monsoon floods. 13. Caveats : susceptible to root rot and fungal disease when grown in moist, heavy soil . 14. But it does have an Achilles'heel, and that is its aversion to wet, heavy soil . 15. Easter Island has suffered from heavy soil erosion in recent centuries, aggravated by agriculture and deforestation. 16. Using a heavy soil , such as one dug up from outdoors can also cause root rot. 17. This makes many aluminium heavy soils relatively infertile. 18. "Banksia ilicifolia " grows exclusively on sandy soils; its range ends where heavy soils are evident. 19. It prefers grassy places and dry soils, avoiding heavy soils , and flowers between July and September. 20. Using this method about can be ploughed per day in light soils and about in heavy soils .