来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:George Samaan

关键词:corn;soybean and wheat yields on brookston clay drained by plastic tubing installed by two methods at seven spacings and two depths

使用许可:Unknown

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来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:J.C. Jofriet

关键词:corn;soybean and wheat yields on brookston clay drained by plastic tubing installed by two methods at seven spacings and two depths

使用许可:Unknown

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来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:R. Kok, Broughton, R. S., Chieng, S. T

关键词:an economic comparison of timothy harvested as hay;direct cut silage;...

使用许可:Unknown

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来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:W. Baier, Dyer J.A.

关键词:editorial;cover page;...

使用许可:Unknown

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来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:D. N. R. Bulley, Phillips

关键词:corn;soybean and wheat yields on brookston clay drained by plastic tubing installed by two methods at seven spacings and two depths

使用许可:Unknown

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来源：Canadian Biosystems Engineering.The journal of the Canadian Society for Bioengineering , 1980

作者:M. Oosterveld, C. Chang

关键词:corn;soybean and wheat yields on brookston clay drained by plastic tubing installed by two methods at seven spacings and two depths

使用许可:Unknown

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