00790cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040003900111042001200150050001700162100002600179245011200205260004100317300005300358490003600411504002600447650001800473650001800491650001400509650001300523agr24000617 DLC20260227110944.0810918s1924    enkab    b    000 0 eng c  aagr24000617   a(OCoLC)7770360  aU.S. Dept. of Ag. Libr.cMnSUdDLC  apremarc00aS593.5b.C551 aClarke, George Robin.10aSoil acidity and its relation to the production of nitrate and ammonia in woodland soils,cby G. R. Clarke.  aOxford,bThe Clarendon press,c1924.  a27 p.billus., map, diagrs. (part fold.)c28 cm.0 aOxford forestry memoirs,vno. 2  aBibliography: p. 6-7. 0aForest soils. 0aSoil acidity. 0aNitrates. 0aAmmonia.