Zobrazeno 1 - 10
of 10
pro vyhledávání: '"W. Shaw Reid"'
Autor:
W. Shaw Reid, Douglas J. Lathwell
Publikováno v:
Soil Acidity and Liming
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c27c724992cb7ccaf8bb38ba2db832d
https://doi.org/10.2134/agronmonogr12.2ed.c7
https://doi.org/10.2134/agronmonogr12.2ed.c7
Publikováno v:
Soil Science. 165:943-950
Concern over the transport of phosphorus from agricultural soils to surface waters has focused attention on the role of soil phosphorus in environmental risk assessment. This study explores the existence of natural soil phosphorus thresholds as expre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e33963bc2db66eeb9cbd1c506f3f6947
https://doi.org/10.1097/00010694-200012000-00004
https://doi.org/10.1097/00010694-200012000-00004
Autor:
Michael N. Quigley, W. Shaw Reid
Publikováno v:
Communications in Soil Science and Plant Analysis. 29:211-217
A commercially available Cartesian coordinate (gantry style) robot has been programmed to sequentially determine soil/water pH (pHw) using a desk‐top computer, electronic switchbox, pH meter and a bank of five combination electrodes. All movements
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba04a8912f9c62d60805f80f4389c063
https://doi.org/10.1080/00103629809369939
https://doi.org/10.1080/00103629809369939
Publikováno v:
Communications in Soil Science and Plant Analysis. 28:759-775
A laboratory robot has been used to assess the performance of a commercially available flow‐through junction pH electrode. The electrode was tested for accuracy and precision in the determination of soil‐water pH (pHw) and the Shoemaker, McLean,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ecd4803dcb795386231e5583f035a27
https://doi.org/10.1080/00103629709369828
https://doi.org/10.1080/00103629709369828
Autor:
W. Shaw Reid
Publikováno v:
Communications in Soil Science and Plant Analysis. 27:1885-1900
A study was established in 1974 to examine the effects of lime and calcium:magnesium (Ca:Mg) ratio in the limes on alfalfa (Medicago sativa) and birdsfoot trefoil (Lotus corniculatus L.) hay yields and botanical composition of the hay. Lime was appli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87e8d38553d97e0280ca3d59e5583200
https://doi.org/10.1080/00103629609369676
https://doi.org/10.1080/00103629609369676
Publikováno v:
Agronomy Journal. 86:938-941
Leaf composition of the bronze brz) mutant Pea [Pisum sativum L. cv. Sparkle E107 (brz brz)] and its Parent genotype (cv-Sparkle) have been compared when grown in nutrient culture, but not when grown in soil where pH has been adjusted to reduce readi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98a1c4f3a9dd1591d541d75423fbd288
https://doi.org/10.2134/agronj1994.00021962008600060003x
https://doi.org/10.2134/agronj1994.00021962008600060003x
Publikováno v:
HortScience. 31:613c-613
Experiments conducted since 1986 indicate that multi-nutrient fertigation may be effective in improving early growth and yield of new orchards. However, the early studies did not provide information concerning the contributions of individual nutrient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6eaefef8f8649f0f7a6c1628a32665d5
https://doi.org/10.21273/hortsci.31.4.613c
https://doi.org/10.21273/hortsci.31.4.613c
Autor:
Michael N. Quigley, W. Shaw Reid
Publikováno v:
Journal of Chemical Education. 72:440
Apparatus for ensuring a continuous water supply for atomic absorption, emission and plasma spectrophotometers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa25fa5ecb0d8904e96831dabaef36ce
https://doi.org/10.1021/ed072p440
https://doi.org/10.1021/ed072p440
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