九州大学大学院農学研究院植物資源科学部門植物生産科学講座土壌学研究室
Laboratory of Soil Science, Division of Soil Science and Plant Production, Departmerit of Plant Resources, Faculty of Agriculture, Kyushu University
Agricultural population, land use, and production of rice, wheat and maize were compared among the 14 countries of southeastern and southern Asia based on the FAO agricultural statistics for characterization of lndochina 3 countries (Viet Nam, Laos and Cambodia) in terms of these items. Common to the three countries, the proportion of agricultural population in the total population was in the range of 70~60% and rice had an overwhelmingly greater importance in the agricultural production. However, Viet Nam highly dominated over Laos and Cambodia in the gross output of cereals, reflecting the differences in the agricultural population, eultivated land and grain yield. lrrespective of these differences, lndochina three countries were ranked in the top level concerning the annual increasing rate of the index of the production of cereals.