Zobrazeno 1 - 10
of 83
pro vyhledávání: '"composite sampling"'
Autor:
Cyrus A. Smith, Dawn VanLeeuwen, Richard J. Heerema, Joshua D. Sherman, Mary J. Comeau, James L. Walworth
Publikováno v:
HortScience, Vol 57, Iss 4, Pp 1-8 (2022)
Analysis of composite pecan leaf samples typically used to determine need for nutrient applications does not account for variability among trees in the sampled area. To account for this unmeasured variability, pecan orchard block nutrient standards a
Externí odkaz:
https://doaj.org/article/12e01c4bd7324117946c21dd5e7289a0
Autor:
Donald E. Weller, Thomas E. Jordan
Publikováno v:
Ecosphere, Vol 11, Iss 8, Pp n/a-n/a (2020)
Abstract Stream water quality data are essential for understanding watershed processes and managing water pollution, but the effort and expense of stream monitoring limit how many watersheds can be studied. For 59 small watersheds in the Chesapeake B
Externí odkaz:
https://doaj.org/article/fc03262285fd43bf8b2a25cd614f95c5
Publikováno v:
Frontiers in Environmental Science, Vol 8 (2020)
Increasing soil organic carbon (SOC) content is crucial for soil quality and climate change mitigation. SOC monitoring is indispensable to the corresponding policies and should provide results at farm scale to allow for incentives. In Switzerland, fa
Externí odkaz:
https://doaj.org/article/c7c184c1b4ec49d38b09094f8e5f88cc
Publikováno v:
Journal of Agricultural, Biological, and Environmental Statistics, 2004 Mar 01. 9(1), 75-90.
Externí odkaz:
https://www.jstor.org/stable/1400707
Autor:
Kerr, M. Kathleen
Publikováno v:
Biometrics, 2003 Dec 01. 59(4), 822-828.
Externí odkaz:
https://www.jstor.org/stable/3695321
Autor:
Izenman, Alan Julian
Publikováno v:
Statistical Science, 2001 Feb 01. 16(1), 35-57.
Externí odkaz:
https://www.jstor.org/stable/2676779
Akademický článek
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Publikováno v:
Journal of the American Statistical Association, 1998 Dec 01. 93(444), 1502-1511.
Externí odkaz:
https://www.jstor.org/stable/2670063
Publikováno v:
Agronomy, Vol 10, Iss 8, p 1152 (2020)
Pasture nutritive value is economically important in south-eastern Australian dairy production systems, yet measurement of nutritive characteristics in pasture cultivar evaluation trials is not routinely undertaken, primarily due to cost. An approach
Externí odkaz:
https://doaj.org/article/ce6c56de47474ad9b7f7a177a32b3e66
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 34, Iss 5, Pp 1491-1502 (2010)
A amostragem do solo é uma importante etapa para caracterização dos atributos físicos e químicos de uma área e definir práticas de manejo e adubação. Para isso, usualmente é utilizada amostragem composta, que busca a representação da áre
Externí odkaz:
https://doaj.org/article/c57d8af83bbd49cd9d6a2a92e74289c5