Preliminary report on the effect of different types of selenium-enriched foliar fertilizer on selenium enrichment in rice

doi:10.14088/j.cnki.issn0439-8114.2019.08.015

Abstract

Abstract: Three different types of selenium fertilizers were selected for leaf spraying treatment at the same growth stage of the same field of rice in different locations. The clean water treatment was used as control （CK） to investigate the difference of different types of selenium fertilizers on selenium enrichment in rice. The results showed that the Hualongxike brand bio-organic selenium fertilizer （treatment 3 and treatment 4） transformed by selenium-enriched microorganisms sodium selenite had the best effect, and the total selenium and organic selenium content of rice reached 0.3~0.5 mg/kg accurately, meeting the requirements of DBS42/002-2014, good stability and low cost in different locations and different varieties; Treatment 1 application was Nongxike brand selenium fertilizer, the total selenium and organic selenium content of rice was unstable, some points were below 0.15 mg/kg, and some points were above 0.5 mg/kg, which could not reach DBS42/002-2014 requirements; Treatment 2 applied selenium fertilizer of Xizhiyuan brand. The total selenium in rice was below 0.15 mg/kg, and the proportion of organic selenium was less than 80%, which could not meet the requirements of DBS42/002-2014.

Key words: rice, selenium-enriched foliar fertilizer, selenium content

CLC Number:

S511

LIU Yun-fa, DENG Hong-jun, LIU Xiao-na, LI Chun-hong, ZHENG Wei. Preliminary report on the effect of different types of selenium-enriched foliar fertilizer on selenium enrichment in rice[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(8): 67-70.

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