. Proceedings of the American Society of Agronomy . 9 80 K 5-52 160 N 320 P, 160 N 135-60 93-20 320 P, 80 K, 4-79 — 160 N, 80 K 55-53 320 P, 80 K, 160 N 34-19 640 P, 80 K, 160 N 9-593 73-52 640 P, 80 K, 320 N 15-355 320 P, 80 K, 320 N 235-10 320 P, 80 K, 640 N 25-948 10 tons manure. . 32
. Proceedings of the American Society of Agronomy . 9 80 K 5-52 160 N 320 P, 160 N 135-60 93-20 320 P, 80 K, 4-79 — 160 N, 80 K 55-53 320 P, 80 K, 160 N 34-19 640 P, 80 K, 160 N 9-593 73-52 640 P, 80 K, 320 N 15-355 320 P, 80 K, 320 N 235-10 320 P, 80 K, 640 N 25-948 10 tons manure. . 2-544 15-93 20 tons manure. . 4-038 Average MORGAN : AVAILABILITY OF PLANT NUTRIENTS. 209 There is an increase in the production of dry matter following anincrease in the moisture content of the soil. The increase is moremarked following a change in moisture from to percent than S ^ § g 10 n u> (0 o ~ 00 OOOOOQOOOQpl t GrameIncrease 17.$ Moisture 42,8^ Moisture.
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