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Effect of long-term FYM and nitrogen application in bajra-wheat cropping system on fractions of S, fe and mn in soil

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Title Effect of long-term FYM and nitrogen application in bajra-wheat cropping system on fractions of S, fe and mn in soil
 
Creator Reddy, Ramanjaneya A.
 
Contributor Balwan Singh
 
Subject FYM, Sulphur, Iron, Manganese, Fractions, Uptake, Bajra, Wheat
 
Description A long-term field experiment, going on at the research farm, Department
of Soil Science, CCS HAU, Hisar, since Rabi-1967, was selected for present
investigation. The treatments consisted of three times of FYM application (in Kharif,
Rabi and both seasons), three levels of FYM application (15, 30 and 45 Mg FYM ha-1),
one control and three levels (0, 60 and 120 kg N ha-1) of fertilizer nitrogen application
through urea. Long-term effect of FYM and N application on uptake of sulphur, iron
and manganese by wheat crop were estimated. Application of different levels of FYM
and N significantly increased the yield as well as the uptake of sulphur, iron and
manganese by wheat crop. Highest
uptake of sulphur, iron and manganese was found in 45 Mg FYM and 120 kg N ha-1 in
both seasons treated plots followed by Rabi and Kharif.
Long-term FYM and N application effect was also studied on different fractions
of sulphur, iron and manganese in soil at surface (0-15 cm) and sub-surface (15-30 cm)
level. Increasing level of FYM application increased the content of sulphur, iron and
manganese in all fractions. Highest content of sulphur, iron and manganese in all
fractions was recorded in plots receiving FYM 45 Mg ha-1 in both seasons followed by
Rabi and Kharif. Higher amounts of sulphur, iron and manganese was found in surface
soils as compared to sub-surface soils, except carbonate bound iron and manganese,
whose contents were slightly higher in the sub-surface soils than surface soils. The
percent contribution of different fractions of sulphur to total sulphur in soil at surface
and sub-surface depths were in the following order: Organic sulphur > residual sulphur
> heat soluble sulphur > sulphate sulphur > water-soluble sulphur and the percent
contribution of different fractions of iron and manganese to total iron and manganese in
soil at surface and subsurface depths were in the following order: Residual >
organically bound > oxide bound > carbonate bound > exchangeable. The fertilizer N
application did not significantly affect any of the sulphur, iron and manganese fractions
in soil at surface and sub-surface level.
 
Date 2016-12-01T08:57:25Z
2016-12-01T08:57:25Z
2006
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/88492
 
Language en
 
Format application/pdf
 
Publisher CCSHAU