00433nam a2200145Ia 4500008004100000020001500041082001600056100003300072245003400105260005000139300000800189650004100197650003400238653001500272170901s1976    xx            000 0 und d  a0112408931  a631.7bG72A  aGoI, Ministry of Agriculture 0aAgriculture And Water Quality  aLondonbHer Majesty's Stationery Officec1976  a468  aAgriculture and related technologies  aTechnology (Applied sciences)  aIrrigation