Figure 4. Beneficial and harmful microbes interact with earthworm and affect crop yield (modified from Edwards and Fletcher, 1988)

From

Effects of Silicon, Copper and Zinc Applications on Sheath Blight Disease Severity on Rice

Ei Ei Khaing, Zainal Abidin Mior Ahmad, Wong MuiYun, Mohamad Razi Ismail

World Journal of Agricultural Research. 2014, 2(6), 309-314 doi:10.12691/wjar-2-6-11