Question

Across
Process of seperating grain from chaff. 9 word
Farmers friend. 9 word
Bacteria can fix this element. 8 word
Manual scattering of seeds. 8 word
Type of plant used for crop rotation. 6 word
These provide nutrients to the soil but may cause pollution. 11 word

Answer 1

6. fertilizer
9. earthworms
8. rotating plants