00524nam a22001217a 4500008004100000040005500041245017300096260007600269300001000345500001100355650001600366653002000382230724b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aProvisional  indicative world plan for agricultural development: bA synthesis and analysis of factors relevant to world, regional and national agricultural development  aRome: bFood and Agriculture Organization of the United Nations, c1970  a327p.  aVol. 1  aAgriculture  aCrop production