Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Nitrogen on White Corn Yield (Zea mays L.)

Version 1 : Received: 31 October 2023 / Approved: 1 November 2023 / Online: 1 November 2023 (03:08:44 CET)

How to cite: Ndege, D.O.; Kidwaro, F.; Rhykerd, R.; Barrowclough, M. Effect of Nitrogen on White Corn Yield (Zea mays L.). Preprints 2023, 2023110009. https://doi.org/10.20944/preprints202311.0009.v1 Ndege, D.O.; Kidwaro, F.; Rhykerd, R.; Barrowclough, M. Effect of Nitrogen on White Corn Yield (Zea mays L.). Preprints 2023, 2023110009. https://doi.org/10.20944/preprints202311.0009.v1

Abstract

CONTEXT: The sustained White corn (Zea mays L.) yield relies on supply of Nitrogen (N), which is an important element in improving soil fertility. OBJECTIVE: The research aim to determine the effect of Nitrogen on white corn yield and grain mass. METHOD: The experimental design was a 4 × 4 factorial arranged in randomized complete block design with 2 replications each. The effect of nitrogen was determined in terms of the flow within the soil, initial component, addition, uptake, loss and use of nitrogen by the White corn plants. Nitrogen was applied as Granular Urea using zero broadcast method. The grain yield was determined hand-harvesting and shelling. RESULTS AND CONCLUSIONS: There were no statistically significant differences between the mean samples from the two replicates (blocks 1 & 2) across the two seasons for corn sugar concentration, corn yield estimates and grain yields. In 2021, the mean yield estimate was 12,552 Kg ha-1, while that of 2022 averaged 12687 Kg ha-1. Similarly, the grain yield achieved in 2022 was 844.1kg more than the average grain yield in 2021. The white corn yield estimate and grain yield increased linearly with an increase in nitrogen application level, with the highest yields achieved when nitrogen fertilizer was applied at 150kg N/ha. This demonstrates that nitrogen has a positive influence on the yield quantity of white corn. SIGNIFICANCE: The White maize model may be used to improve the formulation of decisions and enhance the precision of estimates for yield and N fate within the soil-plant-atmosphere continuum. Further, the findings of this study can significantly enhance agricultural productivity while keeping an eye on the environment.

Keywords

Grain yield; White corn; Nitrogen

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

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