The Asian Journal of Horticulture

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Response of Onion to Soil and Foliar Application of Iron on Entisols


Affiliations
1 Department of Soil Science and Agricultural Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar M.S., India
     

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An investigation was carried out on Typic Ustorthent (Entisol) to study the effect of soil and foliar application of iron on nutrient uptake and iron availability in soil and yield of bulb onion (cv. Basawant 780). The highest total uptake of total nitrogen (128.13 kg ha-1) and iron (4.45 kg ha-1) by onion was found in treatment of soil application of RDF + FYM + FeSO4 @ 20 kg ha-1 followed by treatment of RDF + FYM + FeSO4 @ 20 kg ha-1 + 0.5 % FeSO4 at 30 and 45 days after transplanting. The iron availability in soil 20.12 and 21.43 mg kg-1 was also increased in soil after harvest of onion in aforesaid two treatments, respectively. The same trend of increased in microbial count in soil after harvest of onion was recorded in above mentioned two treatments. The highest onion bulb yield (28.11 Mg ha-1) was obtained under the treatment soil application of RDF + FYM + FeSO4 @ 20 kg ha-1 on entisol.

Keywords

Ferrous Sulphate, Uptake, Microbial Count, Residual Fe in Soil, Onion Bulb Yield, Entisol
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  • Response of Onion to Soil and Foliar Application of Iron on Entisols

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Authors

A. G. Durgude
Department of Soil Science and Agricultural Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar M.S., India
C. R. Palwe
Department of Soil Science and Agricultural Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar M.S., India
D. D. Sawale
Department of Soil Science and Agricultural Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar M.S., India
S. R. Kadam
Department of Soil Science and Agricultural Chemistry, Mahatma Phule Krishi Vidyapeeth, Rahuri, Ahmednagar M.S., India

Abstract


An investigation was carried out on Typic Ustorthent (Entisol) to study the effect of soil and foliar application of iron on nutrient uptake and iron availability in soil and yield of bulb onion (cv. Basawant 780). The highest total uptake of total nitrogen (128.13 kg ha-1) and iron (4.45 kg ha-1) by onion was found in treatment of soil application of RDF + FYM + FeSO4 @ 20 kg ha-1 followed by treatment of RDF + FYM + FeSO4 @ 20 kg ha-1 + 0.5 % FeSO4 at 30 and 45 days after transplanting. The iron availability in soil 20.12 and 21.43 mg kg-1 was also increased in soil after harvest of onion in aforesaid two treatments, respectively. The same trend of increased in microbial count in soil after harvest of onion was recorded in above mentioned two treatments. The highest onion bulb yield (28.11 Mg ha-1) was obtained under the treatment soil application of RDF + FYM + FeSO4 @ 20 kg ha-1 on entisol.

Keywords


Ferrous Sulphate, Uptake, Microbial Count, Residual Fe in Soil, Onion Bulb Yield, Entisol