Selenium enhancement strategy under precise fertilization in foxtail millet rhizosphere

Area of Science:

• Agricultural Science
• Nutritional Science
• Soil Science

Background:

• Selenium deficiency is a global health concern, leading to malnutrition.
• Millet is a staple food crop, making it an ideal vehicle for selenium biofortification.

Purpose of the Study:

• To determine the optimal agronomic strategies for enhancing selenium content in millet.
• To investigate the impact of fertilization parameters on selenium accumulation in millet organs.

Main Methods:

• Utilized a three-factor, five-level quadratic rotation combination design for experimental analysis.
• Assessed the effects of selenium fertilizer application amount, vertical, and horizontal fertilization positions on selenium content.
• Analyzed selenium accumulation patterns in various millet organs.

Main Results:

• Selenium fertilizer application amount, vertical, and horizontal fertilization positions significantly influenced selenium content in millet organs.
• Identified optimal ranges for selenium fertilizer application (100.65-120.15 kg/hm²), vertical position (10.28-11.76 cm), and horizontal position (6.74-7.29 cm).

Conclusions:

• Precise fertilization measures are crucial for effective selenium enrichment in millet.
• The study provides valuable insights for developing selenium-enriched millet production techniques to address nutritional deficiencies.