Calcium nutrition of peanuts (Arachis-Hypogaea L) on Cockatoo Sands of the Ord River Irrigation Area

Bell, MJ (1985) Calcium nutrition of peanuts (Arachis-Hypogaea L) on Cockatoo Sands of the Ord River Irrigation Area. Australian Journal of Experimental Agriculture, 25 3: 642-648. doi:10.1071/EA9850642


Author Bell, MJ
Title Calcium nutrition of peanuts (Arachis-Hypogaea L) on Cockatoo Sands of the Ord River Irrigation Area
Formatted title
Calcium nutrition of peanuts (Arachis-Hypogaea L) on Cockatoo Sands of the Ord River Irrigation Area
Journal name Australian Journal of Experimental Agriculture   Check publisher's open access policy
ISSN 0816-1089
1836-5787
Publication date 1985-01
Sub-type Article (original research)
DOI 10.1071/EA9850642
Volume 25
Issue 3
Start page 642
End page 648
Total pages 7
Place of publication Clayton, Australia
Publisher C S I R O Publishing
Language eng
Formatted abstract
ield response of Virginia Bunch peanuts to calcium fertilization was investigated on Cockatoo Sands of the Ord River Irrigation Area. Shallow incorporation of 1000 kg/ha limestone (90% CaCO3) before planting produced maximum yields of sound mature kernels. Additional top-dressings of calcium as gypsum at flowering produced no significant effects on yield. The residual value of calcium fertilizer was investigated under a cropping regimen of a peanut crop every year. Yields at the highest total soil calcium level tested (440 ppm) produced only 86% of maximum yield obtained with additional gypsum applications at flowering, and 7.5% of kernels produced from these plots exhibited 'dark plumuleÆ symptoms of calcium deficiency. Presence of some residual limestone in large granules, by reducing availability of calcium for uptake by pods, may have produced these effects. There were highly significant positive linear relationships between kernel calcium content and total soil calcium, and between kernel calcium content and germination percentage. Highly significant negative relationships between soil and kernel calcium contents and presence of 'dark plumuleÆ symptoms were also established.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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