000	00000nam 2200000zi 4500
001	9.951321
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008	250523e19991025sncd    o    f000 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
086	1 |aA52-327/1999E-PDF
100	1 |aCampbell, C. A. |q(Constantine A.), |d1934- |eauthor.
245	10|aHarvesting straw : |bwill it affect soil quality? / |cC.A. Campbell, G.P. Lafond, F. Selles, and V.O. Biederbeck.
264	1|aSwift Current, Saskatchewan : |bSemiarid Prairie Agricultural Research Centre : |bAgriculture and Agri-Food Canada, Research Branch = Agriculture et agro-alimentaire Canada, Direction générale de la recherche, |cOctober 25, 1999.
300	|a1 online resource (2 pages, 5 unnumbered pages) : |bgraphs
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
500	|aDigitized edition from print [provided by Agriculture and Agri-Food Canada].
520	|a"It is well know that soil organic matter, whether measured in terms of Carbon or Nitrogen, increases with increasing rates of crop residues returned to the land. This being so, one would expect to find that continued harvesting of straw will eventually lead to a decrease in soil organic matter. But does it? The answer to this question seems to vary depending on the studies that have been conducted on this subject"--Page 1.
650	0|aStraw|xHarvesting.
650	0|aSoils|zQuality.
650	6|aPaille|xRécolte.
650	6|aSols|xQualité.
710	2 |aSemiarid Prairie Agricultural Research Centre (Canada), |eissuing body.
710	1 |aCanada. |bAgriculture and Agri-Food Canada. |bResearch Branch, |eissuing body.
856	40|qPDF|s806 KB|uhttps://publications.gc.ca/collections/collection_2025/aac-aafc/A52-327-1999-eng.pdf