It is also called "Heisaku" for short. The yield (crop quality) of agricultural crops, especially rice, wheat, etc., is normal. In the case of rice, a trend line is mathematically drawn by adding weather conditions, farming techniques, and other factors to the average yield per tan for each year up to the previous year, or by averaging the yield over three years excluding the highest and lowest years of the yield over the past five years. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
略して平作ともいう。農作物,特に米,麦などの収穫高 (作柄) が通常であること。米の場合,前年までの毎年の平均反あたり収量に,気象状態や農作技術などの条件を入れて数学的に傾向線を出したり,過去5年間の収穫高のうち,最高と最低との年次を除いた3年間の収穫高を平均して出したりする。
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