农业科学

• 谷草比

  Based on the harvest data of crops from 300 agrometeorologieal experimental stations in China, the authors calculated and analysed the harvest index (C_H), the ratio of grain to straw(G_s), and some relevant statistical parameters.

  本文对中国300个农业气象试验站各种作物的收获资料进行统计分析，计算了收获指数、谷草比和有关的统计参数。