Scholars Research Library

Scholars Research Library

All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.

Annals of Biological Research

Abstract

Comparison of ammonium acetate at different concentrations and some extractants for determination of plant-available potassium in different soils of Chahar Mahal and Bakhtiari province in Iran

Author(s): Milad Zarenia, Ali Reza Hosseinpur,Meysam Zarbizadeh and Shahram Kiani

The extractions of soil potassium (K) bychemical methods werecompared as predictors of plant-available K forpot-grownPinto beans (Phaseolus vulgaris) on Charmahal Va Bakhtyari-Iran soils. The treatments included two K levels [0 and 200 mg K kg-1 as potassium sulfate (K2SO4)] and 15 soils in a factorial experiment in a randomized block design with three replications.The result indicated that K application increased yield, K concentration and K uptake by bean. Relationships between methods werediscussed. The 8 extracting solutions used in this study wereclassified into3 groups on the basis of K extracted.The correlationstudies showed that 0.002 M SrCl2, 0.02 M SrCl2+0.05 M citric acid, and 1 M NaCl, could be used as available K extractants. Potassium critical levels by extractants were also determined by Cate-Nelson method. Potassium critical levels for 90% of relative yield were 38, 80, and 136 mg kg-1 for 0.002 M SrCl2, 0.02 M SrCl2 +0.05 M citric acid, and 1 M NaCl, respectively.


javgrown.com scatvids.club javvids.com