003100000a22001210004500060000800000082001600008100002200024245004600046260003600092260000900128300000800137650004300145  a100  a631.834 PIE  aPieters, Adrian J  aGreen Manuring  : Principles and Practice  aNew York, John wiley & Sons Inc  c1927  a356  aGreen Manuring/ Feild  Crops/Manuring/