Nature, Količina 108Sir Norman Lockyer Macmillan Journals Limited, 1921 |
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Zadetki 1–3 od 65
Stran 7
... Soil and Soil Management . ( 1 ) Agricultural Geology . By Dr. F. V. Emer- Pp . xviii + 319 . son . ( New York : John Wiley and Sons , Inc .; London : Chapman and Hall , Ltd. , 1920. ) 16s . 6d . net . ( 2 ) The Soils and Agriculture ...
... Soil and Soil Management . ( 1 ) Agricultural Geology . By Dr. F. V. Emer- Pp . xviii + 319 . son . ( New York : John Wiley and Sons , Inc .; London : Chapman and Hall , Ltd. , 1920. ) 16s . 6d . net . ( 2 ) The Soils and Agriculture ...
Stran 81
... soil at pH8.7 and in Assam at pH5.4 . It , however , does much better in the latter for various reasons . In the British Isles it has been found that the yellow stonecrop , Sedum acre , flourishes in soil from pH7 to 8 or over , whereas ...
... soil at pH8.7 and in Assam at pH5.4 . It , however , does much better in the latter for various reasons . In the British Isles it has been found that the yellow stonecrop , Sedum acre , flourishes in soil from pH7 to 8 or over , whereas ...
Stran 147
... soil . Also , it is known that plants which are usually very susceptible to acidity will thrive in certain soils of California and Sweden the pH of which is between 4 and 5 , and that those plants growing in those soils show no response ...
... soil . Also , it is known that plants which are usually very susceptible to acidity will thrive in certain soils of California and Sweden the pH of which is between 4 and 5 , and that those plants growing in those soils show no response ...
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BarrettHamilton and M A C Hinton | 21 |
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ROYAL AERONAUTICAL SOCIETY at Royal Society of Arts at 5 30 | 296 |
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