00437nam a2200157Ia 4500008004100000020001500041082001800056100001800074245003700092260003900129300000800168650004100176650003400217653001600251653001200267170901s2006    xx            000 0 und d  a8170354471  a630.913bA79C  aKumar, Arvind 0aConcepts of Tropical Agriculture  aDelhibDaya Publishing Housec2006  a313  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgriculture  aTropics