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- Title
Cotton Response to Tillage and Soil and Foliar Applied Potassium Fertilization.
- Authors
Malik, Muhammad Waqas Imam; Usman, Khalid; Hamza, Amir; Saad, Muhammad; Ghulam, Said; Ullah, Azmat
- Abstract
In the scenario of recent energy crises, enhancement of yield at a reduced tillage cost and site specific potassium nutrition is much important for higher cotton yield and lint quality. The experiment was in a split-plot design and replicated thrice. Tillage system (i.e. reduced and conventional) was main plot treatment and potassium levels (0, 50, 100, 150, 200 & 250 kg ha-1) sub-plot. K-levels were applied 50, 100, 150, 200, and 200 kg ha-1 as soil application treatments and 1, 2, 3, 4, and 5 as a foliar application of 2% K2SO4 solution at peak boll formation stage. Results revealed that tillage did not influence yield and quality attributes of cotton; however, potassium levels significantly affected yield and quality traits except fiber micronaire. Potassium fertilizer (soil-applied) at 250 kg ha-1 along with five foliar sprays of K2SO4 produced higher plant height, sympodial branches plant-1, bolls plant-1, 100 cotton seed weight, seed cotton yield, ginning outturn, fiber length, and fiber strength compared to other K-levels. Moreover, tillage × potassium interaction indicated that reduced tillage along with 250 kg K ha-1 plus 5 foliar sprays was superior to conventional tillage for producing higher sympodial branches, bolls plant-1, seed cotton yield, and ginning outturn (%).
- Publication
Sarhad Journal of Agriculture, 2022, Vol 38, Issue 3, p952
- ISSN
1016-4383
- Publication type
Academic Journal
- DOI
10.17582/journal.sja/2022/38.3.952.959