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Abstract - Issue Nov 2016, 37 (6) Back
nstantaneous and historical temperature effects on a-pinene
of iron application on iron nutrition of aerobic rice
in different soils
Meena1*, R.K. Rattan2, S.P.Datta2 and M.C.
Coordinating Unit, ICAR-Central Soil Salinity Research Institute, Karnal-132
2Division of Soil
Science and Agricultural Chemistry, ICAR-Indian Agricultural Research
Institute, New Delhi-110 012, India
Author E-mail: email@example.com
26 April 2016
10 June 2016
05 August 2016
the content of Fe in edible portion of rice for improving human health is a
global challenge. A greenhouse experiment was conducted to evaluate the
relative effectiveness of soil, foliar and seed treatment of Fe in
alleviating Fe-deficiency using two rice cultivars (IR-64 and Pusa Sugandh-3)
grown on alkaline, calcareous, acid and lime-treated acid soils. Results
showed that on an average, soil application of Fe improved the available Fe
status of soil (8.14 mg kg-1) over control (6.79 mg kg-1).
The foliar application of Fe (3% FeSO4.7H2O solution,
thrice 40, 60 and 75 days after sowing of rice) was more effective and
economical in enhancing the yield (9.42%) as well as increasing Fe content
(3.48%) of milled rice as compared to soil application (67 mg FeSO4.7H2O
kg-1). Among the soils, acid soil (without lime) produced highest
yield (27.4 g pot-1) of aerobic rice followed by alkaline (21.2 g
pot-1), calcareous (20.0 g pot-1) and lime-treated acid
soils (17.7 g pot-1). Pusa Sugandh-3 (23.4 g pot-1)
performed better under aerobic condition compared to IR-64 (19.7 g pot-1).
Ferrous-iron content in rice plants proved to be a better index of Fe
nutrition status compared to total plant Fe and chemically extractable soil
Fe. The Fe2+ content of ≥ 42 mg kg-1 in plants
(on dry weight basis) appeared to be an adequate level at 45 days after
sowing for rice grown under upland aerobic condition.?????????
rice, Biofortification, Fe-deficiency, Foliar application, Seed treatment
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