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Effects of boron fertilization on calcium:boron ratio and boron mobility in cauliflower

OAR@ICRISAT

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Relation http://oar.icrisat.org/8257/
http://www.indianjournals.com/ijor.aspx?target=ijor:jre&volume=51&issue=2&article=008
 
Title Effects of boron fertilization on calcium:boron ratio and boron mobility in cauliflower
 
Creator Chander, G
Sharma, S
Sharma, V
Sharma, S
Verma, S
Verma, TS
 
Subject Soil Science
Fertilizer Appications
 
Description Greenhouse studies were conducted on two different alfisols, Bajaura (Loam) and Junga (Sandy loam), that are deficient in boron (B) for cauliflower (Brassica oleracea L. var. botrytis). The calcium:boron (Ca:B) ratio in cauliflower leaves with applied B (1 to 3 mg kg−1 soil) varied from 1276 to 521 in the Bajaura soil with high exchangeable-Ca and no deficiency or toxicity symptoms were evident. In the Junga soil with low exchangeable-Ca, however, the Ca:B ratio varied from 505 to 223 with toxicity symptoms visible when 2 and 3 mg kg−1 B has been applied. This corresponds to a Ca:B ratio of 256 and 223. Farm yard manure application showed an ameliorating effect on Ca:B ratio with a tendency to decrease a high Ca:B ratio in the absence of B application and increase a lower Ca:B ratio when incorporated with higher levels of B. The B mobility from leaves to curd decreased with increasing levels of B application and thus provided a circumstantial evidence for B retranslocation under conditions of low B supply i.e. conditional mobility.
 
Publisher Punjab Agricultural University, Ludhiana
 
Date 2014
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/8257/1/JRPAU_2014_girish-et.al.%2C.pdf
Chander, G and Sharma, S and Sharma, V and Sharma, S and Verma, S and Verma, TS (2014) Effects of boron fertilization on calcium:boron ratio and boron mobility in cauliflower. Journal of Research, 51 (2). pp. 128-131. ISSN 2277-1271