Working Paper Article Version 1 This version is not peer-reviewed

Influence of Incidental Application of Sulfur Impurity in Triple-Super Phosphate Fertilizer on Wheat Yield

Version 1 : Received: 19 July 2021 / Approved: 21 July 2021 / Online: 21 July 2021 (08:22:32 CEST)

How to cite: Menna, A.; Haile, J. Influence of Incidental Application of Sulfur Impurity in Triple-Super Phosphate Fertilizer on Wheat Yield. Preprints 2021, 2021070470 Menna, A.; Haile, J. Influence of Incidental Application of Sulfur Impurity in Triple-Super Phosphate Fertilizer on Wheat Yield. Preprints 2021, 2021070470

Abstract

This research was specifically aimed at assessing the influence of sulfur in triple-super phosphate (TSP) on wheat yield. From the results, wheat showed response to sulfur (S) from gypsum (in 67%); and nitrogen (N) from urea in about 100% (of 24 sites). Based on this N was found to be the most limiting element to wheat production followed by sulfur, and then by phosphorus. TSP is tested to contain agronomically up to 2-6% by weight of S. However, wheat didn’t show response to S impurity supplied in the form of TSP. Though, not statistically significant, it is observed that there have always been yield increments by certain percent due to S from TSP in 8 out of 10 target sites, which is depicted in the increasing trends of yield response curves. From this it is learnt that, the benefits of the accidental/incidental application of such high analysis fertilizers can be many-folds in the quality attributes of wheat, if the soils of such investigation at the same time would contain significant amount of organic matter (OM). Indeed, such analysis would be vital in varietal specific nutrient requirement studies in precision-farming and/or in categorizing soils into fertility gradients and fertilizer recommendation domains.

Subject Areas

Wheat; yield; triple-super-phosphate; sulfur; nitrogen; micro-dosing, precision-farming

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