003130000a22001330004500060000800000082001400008100001500022245003700037250000600074260003900080260000900119300000800128650004300136  a100  a631.4 RUS  aRussell, E  aStudent book on soil and manures  a4  aCambridge, At the University Press  c1915  a298  aSoil- Manure/ Cultivation/ Fertilizers