Abstract
Field experiments were conducted during Rabi (October to April) seasons of 2005 and 2006 in an Aeric Endoaquept taking rape (Brassica campestris L.) as a test crop using two sources of boron (calbor and borax) integrated with farmyard manure (FYM). The amount of 0.02 M CaCl2-extractable B content in soil was maintained at the highest level during crop growth in the treatment receiving calbor at 1 kg B ha−1. The B content in the plant was recorded highest (11.56 mg kg−1) at 90 days of crop growth in the treatment receiving integrated application of 0.5 kg B ha−1 as calbor and FYM (5 t ha−1). The yield of rapeseed was highest (890 kg ha−1) with B at 1 kg ha−1 as calbor compared to borax as a source of B.
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