Analyzing Data Biology 10th

1. Bar graph.
2. Growing legumes the previous year significantly increased the crip yields. Growing rye did not increase yields. In fact, the bare field's yield was slightly higher than the field planted with rye.
3. The legumes_ particularly the Austrian peas_ produced the highest yields. Rye produced the lowest yield.
4. The corn plants benefited greatly when the soil was enriched with nitrogen fixed by legumes the previous year.

Rhizobia (from the Greek words rhiza= root and bios = Life) are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. The rhizobia cannot independently fix nitrogen, and requires a plant host.