Výsledky vyhledávání - "O. N. Purvis"

The effect of potassium salts on the anatomy of Dactylis glomerata

Autor: O. N. Purvis

Publikováno v: The Journal of Agricultural Science. 9:338-365

Stems of Dactylis glomerata were collected from grass-plots which had received different manurial treatment as regards potash.The yield of hay from these plots was in close agreement with the average which shows that the season during which the work

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83f50bd7f852b5de31e4fe0e809985a9
https://doi.org/10.1017/s0021859600005219

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On the behaviour in the field of small grain obtained by premature harvesting

Autor: O. N. Purvis, E. S. J. Hatcher

Publikováno v: The Journal of Agricultural Science. 35:177-183

1. By premature harvesting, as early as 5 days after fertilization, dwarf grains are obtained which will germinate readily and produce normal plants, even though grain size may be only 10% that of fully developed grain. Such plants tend to attain the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dc129e67f8e1adcb944f6fcb38f6a1d0
https://doi.org/10.1017/s0021859600049194

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