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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal Article

Mineral nutrient composition of green and white asparagus spears  [1994]

Makus, D.J. (USDA, ARS, CPSR, Weslaco, TX.);

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Mineral nutrients were determined in green and white 'Jersey Giant' asparagus (Asparagus officinalis L.) spears grown in 1991 near Booneville, Ark. Green spears had higher concentrations of tissue N, K, P, S, Na, and Zn; similar levels of Fe, Al, and Cu; and lower levels of NO3 than white spears grown under opaque plastic rowcovers or under sawdust mulch. Levels of Ca, Mg, and Mn were higher in plastic-grown white spears than in those grown in sawdust. The spear tip contained higher concentrations of K, S, and Cu than the butt. Less NO3, Fe, and Al were in the tip than in the butt. Spear distribution gradients for K, Fe, and Cu were linear, whereas S and NO3 gradients were both linear and quadratic. Nitrogen, P, Ca, Mg, Zn, Al, and Mn levels were influenced by spear production method and spear segment

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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
1996
Volume:
29
Issue:
12
Start Page:
1468
End Page:
1469
All titles:
" Mineral nutrient composition of green and white asparagus spears "
Other:
" references "

From the journal

HortScience : a publication of the American Society for Horticultural Science (USA)

ISSN : 0018-5345