印度大部分土地只能在雨季开始时播种，雨季结束时收割，一年一熟。想亩产超过三百斤，就需要大量化肥。印度偏缺石油，无重化工业

来源: thore 于 2025-12-27 17:26:53 [旧帖] [给我悄悄话] 本文已被阅读：次

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