Zobrazeno 1 - 5
of 5
pro vyhledávání: '"W. J. Blackburn"'
Autor:
Brian Glazebrook, K. L. Kadam, L. H. Forrest, W. J. Blackburn, W. A. Jacobson, K. C. Nehoda, V. J. Camobreco, D. C. Simeroth
Historically, more than 90% of the excess agricultural residue produced in California (approximately 10 million dry metric tons per year) has been disposed through open-field burning. Concerns about air quality have prompted federal, state, and local
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f67635634cd00acbe0fb9ab03cf64d98
https://doi.org/10.2172/9538
https://doi.org/10.2172/9538
Publikováno v:
Canadian Journal of Botany. 60:2734-2740
Infestation of apple leaves with the spotted tentiform leafminer (STLM) reduced their net photosynthetic rate (Pn) over a range of light intensities. At a saturating irradiance level of 1240 μE∙m−2∙s−1 and 20 mines per leaf, 32.9% of the lea
Autor:
D. M. Brown, W. J. Blackburn
Publikováno v:
Canadian Journal of Plant Science. 67:1167-1180
Subzero temperatures are the most widespread hazard to crop production in Canada. This hazard ranges from temperature occurrences near 0 °C in spring and fall that damage many annual crops and some perennials to the winter occurrences of −30 °C a
Publikováno v:
Journal of Chromatographic Science. 5:183-189
Autor:
J. T. A. Proctor, W. J. Blackburn
Publikováno v:
HortScience. 18:233-235
Albedo of plantings of strawberry (Fragaria × Ananassa Duch.) and bare soil is a major factor determining the amount of radiation absorbed and used by the crop in various energy exchanges. It varied diurnally and had a mean daily value of about 22%