Zobrazeno 1 - 5
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pro vyhledávání: '"Walter R. Heald"'
Autor:
Walter R. Heald
Publikováno v:
Methods of Soil Analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::261bd81ee5a65c6a4ccb3aecdc73f7b2
https://doi.org/10.2134/agronmonogr9.2.c17
https://doi.org/10.2134/agronmonogr9.2.c17
Autor:
Les E. Lanyon, Walter R. Heald
Publikováno v:
Methods of Soil Analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::615372ad6d9c31991bca5050ac947110
https://doi.org/10.2134/agronmonogr9.2.2ed.c14
https://doi.org/10.2134/agronmonogr9.2.2ed.c14
Autor:
William J. Gburek, Walter R. Heald
Publikováno v:
Water Resources Research. 10:113-118
Soluble phosphate data from the stream draining a 7.7-km2 Pennsylvania agricultural watershed are reported. Yearly watershed soluble phosphate output and monthly and within-month phosphate concentration variations are interpreted. The stream approach
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e3c3d352488dab3460c5d5b77e68d40
https://doi.org/10.1029/wr010i001p00113
https://doi.org/10.1029/wr010i001p00113
Publikováno v:
Journal of Agricultural and Food Chemistry. 20:900-905
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e97d82da46e506777d068e36775cdf1
https://doi.org/10.1021/jf60182a026
https://doi.org/10.1021/jf60182a026
Autor:
Walter R. Heald
Publikováno v:
Soil Science Society of America Journal. 24:103-106
To a series of calcium or strontium saturated clays suspended in 50 symmetry concentrations of the saturating ion, variable amounts of Sr⁸⁵Cl₂ or Ca⁴⁵Cl₂ were added. From the radiochemical analysis of the clay at equilibrium, the amount o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1362fc98b9da40bb3455611948055d50
https://doi.org/10.2136/sssaj1960.03615995002400020011x
https://doi.org/10.2136/sssaj1960.03615995002400020011x