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Mahendra Kumar, M. B.
- Effect of Zinc Enriched Compost on Soil Chemical Properties and Nutrients Availability
Abstract Views :165 |
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, College of Agriculture, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
2 Department of Agronomist, C.C.R.I., Balehonnur (Karnataka), IN
1 Department of Soil Science and Agricultural Chemistry, College of Agriculture, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
2 Department of Agronomist, C.C.R.I., Balehonnur (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 6, No 2 (2011), Pagination: 189-194Abstract
A field experiment was conducted on a Typic Haplustalf with sandy loam texture to study the effect of Zn-E compost on soil properties and distribution of zinc fractions in soil. The experiment was laid out in Randomized Complete Block Design with three replications. There were eight treatments comprising of recommended dose of compost, NPK fertilizers, ZnSO4 and zinc enriched compost. Application of NPK + compost + ZnSO4 at 20 kg ha-1 and different levels of Zn-E compost treated plots recorded significantly higher values of primary, secondary and micronutrients in soil at tillering, panicle initiation and at harvest stages. A slight improvement in soil pH, electrical conductivity and organic carbon content noticed higher values in NPK + zinc enriched levels followed by package of practice. The application of Zn-E compost increased the amount of zinc present in different fractions. Increase in amount of zinc present in different zinc fractions might be due to the higher solubility and mobility of the added zinc source. Water soluble plus exchangeable fractions significantly increased with the enrichment of compost.Keywords
Zn-E Compost, NPK, Zinc.- Degradation of Propineb in Potato and Soil
Abstract Views :184 |
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Authors
K. R. Ashoka
1,
T. H. Hanumantharaju
1,
M. B. Mahendra Kumar
1,
Chakpram Birendrajit
1,
Atheefa Munawery
1,
P. Veeranagappa
1
Affiliations
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 6, No 2 (2011), Pagination: 211-214Abstract
A season study (December 2008 to march 2009) was undertaken with potato crop and was found that propineb residue degraded faster in potato under field condition when applied at 1400 and 2800 g a.i ha-1. However, the propineb was noticed in soil on the day of propineb spray. Degradation was faster at lower dose of than higher dose of application with the half-life values of 2.3 and 2.5 days. The safe waiting period of 3.3 and 4.3 days was recommended for potato when applied at 1400 and 2800 g a.i ha-1 of propineb.Keywords
Propineb, Potato, Degradation, Bisdithiocarbamate.- Effect of Graded Levels of Zinc and Boron on Nutrient Content and Uptake by Grain and Straw of Paddy
Abstract Views :240 |
PDF Views:0
Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, GKVK, Bengaluru (Karnataka), IN
2 ICAR-National Bureau of Soil Survey and Land Use Planning, Hebbal Regional Centre, Bengaluru (Karnataka), IN
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, GKVK, Bengaluru (Karnataka), IN
2 ICAR-National Bureau of Soil Survey and Land Use Planning, Hebbal Regional Centre, Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 12, No 2 (2017), Pagination: 275-282Abstract
A field experiment was taken during summer at Naganahalli village, Mysore district, Karnataka to study the graded levels of zinc and boron on nutrient content and uptake by grain and straw of paddy. Among the treatments, T12 treatment (RDF+ZnSO4 @ 20 kg ha-1+borax @ 4 kg ha-1) recorded significantly higher nutrients (N, P, Ca, Mg, Zn, Cu and B ) content and uptake by grain and straw of paddy compared to all other treatments. The potassium and sulphur content and uptake were significantly high in T16 treatment (RDF+ZnSO4 @ 30 kg ha-1+borax @ 6 kg ha-1) but, the potassium uptake was significantly high in T13 treatment (RDF+ZnSO4 @ 20 kg ha-1+borax @ 6 kg ha-1). The RDF+FYM (T1) treatment showed significantly higher Fe and Mn content but their uptake was significantly high in T12 (RDF+ZnSO4 @ 20 kg ha-1+borax @ 4 kg ha-1) and T3 (RDF+ZnSO4 @ 20 kg ha-1) treatment by grain and straw of paddy.Keywords
Content, Uptake, Grain, Straw, Treatment, Significantly.References
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