Effect of humic acid and selenium foliar application on corn yield components under drought stress conditions

April 5, 2025Journal of Plant Environmental Physiology فیزیولوژی محیطی گیاهیOpen Access

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This research aims to evaluate how humic acid and selenium impact corn yield components under drought stress conditions.
Applied humic acid at four levels (0, 200, 100, 300 ppm) and selenium at three levels (0, 10, 20 g/ha) under drought stress and normal irrigation conditions.
Analyzed the effects on corn yield components including seed weight and ear characteristics.
Drought stress reduced seed yield by 39.03%.
Humic acid and selenium application decreased the negative effects of drought by 33.4%.
The treatment with 300 ppm humic acid and 10 g/ha selenium resulted in a yield of 5,995.48 kg/ha under drought conditions.

Examines the impact of humic acid and selenium on corn yield during drought, suggesting effective treatments for crop resilience.

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Pishbin et al. (2025) studied this question.

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