Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Lyle R. Bjornestad"'
Publikováno v:
Communications in Soil Science and Plant Analysis. 26:1687-1695
Deep soil‐profile sampling in wet, clayey soils can be difficult. Friction against the probe surface can cause core compression and impedes extraction of intact cores from the probe tube. Lubrication of the probe tube reduces friction and improves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cadb0dd5e8a31a70ea081c982fb4cf5
https://doi.org/10.1080/00103629509369401
https://doi.org/10.1080/00103629509369401
Autor:
Lyle R. Bjornestad, Joseph G. Lauer
Publikováno v:
Agronomy Journal. 83:266-268
(...) The planter was designed and constructed for establishing research plots in furrow-irrigated cropping systems. The planter drive wheels provide flexibility for furrow spacings ranging from 0.25 to 2.2 m. Two tool bars with no interfering suppor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a99c1e781d980ec3399bcb4b62946e61
https://doi.org/10.2134/agronj1991.00021962008300010060x
https://doi.org/10.2134/agronj1991.00021962008300010060x
Autor:
Wood, Marcia
Publikováno v:
Agricultural Research. Aug2001, Vol. 49 Issue 8, p18. 2p. 3 Color Photographs.