Zobrazeno 1 - 4
of 4
pro vyhledávání: '"P. N. S., Mnkeni"'
Publikováno v:
African Journal of Food, Agriculture, Nutrition & Development; Apr2023, Vol. 23 Issue 4, p23139-23160, 22p
Autor:
A. F. Mackenzie, P. N. S. Mnkeni
Publikováno v:
Canadian Journal of Soil Science. 68:243-250
Studies were conducted in the growth chamber to compare sodium orthophosphate (NaOP), sodium pyrophosphate (NaPP) and PolyN (a triammonium pyrophosphate-orthophosphate mixture) as sources of P for barley in four Quebec soils treated with farmyard man
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a4535d514a1aa5eb1841a9563d79a77
https://doi.org/10.4141/cjss88-024
https://doi.org/10.4141/cjss88-024
Autor:
P. N. S. Mnkeni, A. F. MacKenzie
Publikováno v:
Plant and Soil. 104:163-167
Polyphosphate hydrolysis was studied in three surface samples and one subsurface sample of Quebec soil treated with alfalfa residues (44.8 t ha−1) and farmyard manure (FYM; 44.8 t ha−1); and in two acid soil samples treated with CaCO3 (12.5 t ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d56c789b305c36e763eae3c710339af0
https://doi.org/10.1007/bf02372528
https://doi.org/10.1007/bf02372528
Autor:
A. F. Mackenzie, P. N. S. Mnkeni
Publikováno v:
Canadian Journal of Soil Science. 61:351-359
Field studies were conducted on three southwestern Quebec soils for 2 yr to provide information on effects of S fertilization on barley growth, to examine any S-P interaction, and to assess contributions of S from rain during the growing season. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14c9ee509752e0666f7528be9778f7f7
https://doi.org/10.4141/cjss81-039
https://doi.org/10.4141/cjss81-039