Zobrazeno 1 - 8
of 8
pro vyhledávání: '"W. C. Dahnke"'
Autor:
R. A. Olson, W. C. Dahnke
Publikováno v:
Soil Testing and Plant Analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d43b4026c3c71600c7853aec263ea106
https://doi.org/10.2136/sssabookser3.3ed.c4
https://doi.org/10.2136/sssabookser3.3ed.c4
Autor:
W. C. Dahnke, Gordon V. Johnson
Publikováno v:
Soil Testing and Plant Analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::69793fe769b96c6944ca2d44ac203724
https://doi.org/10.2136/sssabookser3.3ed.c6
https://doi.org/10.2136/sssabookser3.3ed.c6
Autor:
W. C. Dahnke
Publikováno v:
Communications in Soil Science and Plant Analysis. 24:11-27
Soil test interpretation, the process of developing fertilizer application recommendations from soil test levels and other soil, crop and climatic conditions, is a commonly used but poorly understood procedure. This paper discusses the shapes of curv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7cc1cb879aa4b64224234df349c1283e
https://doi.org/10.1080/00103629309368778
https://doi.org/10.1080/00103629309368778
Publikováno v:
Communications in Soil Science and Plant Analysis. 23:417-429
Quantification of soil organic carbon level is important in areas of soil testing, soil classification, and application of agricultural chemicals. The Walkley‐Black method is widely accepted as a rapid procedure for semiquantitative determination o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81087e04f0990359255768639b803ae1
https://doi.org/10.1080/00103629209368599
https://doi.org/10.1080/00103629209368599
Publikováno v:
Communications in Soil Science and Plant Analysis. 19:755-772
A study relating N uptake by wheat to several N soil tests was conducted throughout North and South Dakota. Sixty nine sites were utilized over a period of 5 years. The N soil tests and their respective r values with N uptake are: Soil Nitrate‐N 0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f43f8e168febf47a9685c141e389861
https://doi.org/10.1080/00103628809367972
https://doi.org/10.1080/00103628809367972
Publikováno v:
Soil Science Society of America Journal. 34:137-142
A study was made of various factors affecting the release of fertilizer from polyethylene packets. Movement of water from the soil into the packets was almost entirely in the form of vapor and was closely related to both the area and perimeter of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e4d15ea223d453baf862446c20ded87
https://doi.org/10.2136/sssaj1970.03615995003400010037x
https://doi.org/10.2136/sssaj1970.03615995003400010037x
Autor:
W. C. Dahnke
Publikováno v:
Communications in Soil Science and Plant Analysis. 2:73-84
The construction, theory and many of the factors such as interfering anions, extracting agents, soil to solution ratio, reference electrodes, accuracy and precision of the nitrate ion selective electrode are discussed in relation to routine soil test
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5099836736369c260260d073490e4073
https://doi.org/10.1080/00103627109366292
https://doi.org/10.1080/00103627109366292
Publikováno v:
Agronomy Journal. 55:242-244
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df920f2b25cc743950f4483ee77cafd0
https://doi.org/10.2134/agronj1963.00021962005500030010x
https://doi.org/10.2134/agronj1963.00021962005500030010x