Soil: Typos and Cross-Reference

[forsoothic]

Trade paperback, Vol 2

Soil: Structure, p. 644

- (CC "Vehicles: Tractor: Implements: Unpowered: Subsoiler"))
+ (p. 272)

Though I believe your cross-reference script requires CCC.

Soil: Chemistry, p. 644

- Plants deplete these threeelements from the soil
+ Plants deplete these three elements from the soil

Soil: Chemistry: Test Kits, p. 646

- it can be seen that a bare bones BPK test kits
+ it can be seen that a bare bones NPK test kit

...unless you're testing for Boron?

Soil: Chemistry: Fertilizer: N, P, K, p. 648

- other contents that are no captured by the N-P-K numbers.
+ other contents that are not captured by the N-P-K numbers.

Soil: Soil Profiles, p. 649 "B1 — 6 to 10 inches; B2 — 10 to 15 inches ; B3 — 15 to 20 inches"). Use subscripts consistently or not at all.