1、The Effect of Foliar Spraying of Different Selenium Fertilizers on the

This study investigated the effects of four selenium fertilizers (nano-Se, EDTA-chelated Se, organic Se, and microbial Se) at three concentrations (50, 25, and 12.5 mg·L−1) on garlic (Allium sativum L. cv. ‘Xusuan 918’) through foliar application during critical growth stages.

2、Effect of foliar spraying of organic and inorganic selenium fertilizers

Appropriately delaying the spraying time and selecting organic Se fertilizer as the Se source can help to produce green and safe selenium-rich rice. Approximately one billion people in the world have selenium (Se) deficiency (Sun et al. 2021).

3、Effects of foliar selenium spraying on the growth and selenium content

In this study, foliar applications of sodium selenite at concentrations of 0.0075 kg/hm² (FX01) and 0.015 kg/hm² (FX02) were administered during the full heading stage of rice (Oryza sativa L.) to systematically investigate Se uptake, interorgan translocation, and organic Se speciation in grains.

4、Foliar Spraying of Nanoselenium Improves the Nutritional Quality of

(26) Exogenous selenium foliar spraying has a significant impact on the plant’s phyllosphere microorganisms. It is an interesting idea to reveal the interaction with plants in terms of the regulation of interleaf microorganisms by nanoselenium.

Selenium Fertilizers

Se fertilizers refer to selenium fertilizers used to enrich plant products, primarily employed to address selenium deficiency in soils, particularly in regions like Finland.

Effects of Foliar Spraying of Different Selenium Fertilizers on

In summary， the application of inorganic selenium and nano selenium increased the total selenium and organic selenium contents in rice. Compared to inorganic selenium， treatment with nano-selenium could lead to a higher content of organic selenium in rice.

The Effect of Foliar Spraying of Different Selenium Fertilizers on the

In this study, four distinct selenium fertilizer formulations were systematically evaluated: nano-selenium fertilizer, EDTA-chelated selenium fertilizer, organic selenium fertilizer, and microbial selenium fertilizer.

Modes of Selenium Application in Agriculture: Efficacy and Issues

This chapter explores different selenium (Se) application methods in agriculture analyzing the efficacy of traditional techniques like soil application and foliar spraying and seed treatments against emerging technologies like nano-selenium (Se-NPs).

Effect of Foliar Spraying of Organic and Inorganic Selenium Fertilizers

Results The selenium content in rice sprayed with organic selenium fertilizer was controlled in the relatively safe range and met the human selenium supplement requirement compared to the...

E ect of foliar spraying of organic and inorganic selenium fertilizers

Organic Se fertilizer is mostly compounded with Se and organic substances such as amino acid chelated Se fertilizer, humic acid Se fertilizer, etc. The absorption of inorganic Se by...

Spraying selenium fertilizer is an agricultural technique that involves applying selenium-based nutrients to plants to enhance their selenium content. Selenium is an essential trace element for human health, playing a critical role in maintaining well-being. Below are the key benefits and potential drawbacks of this practice:

Benefits:

1. Increased Crop Yields: Studies show that selenium fertilization can significantly boost crop productivity. Selenium improves photosynthetic efficiency, promotes growth, and ultimately leads to higher yields.

2. Enhanced Disease Resistance: Selenium strengthens crops' antioxidant capacity, reducing susceptibility to pests and diseases. This lowers the incidence of infections and minimizes yield losses.

3. Improved Crop Quality: Selenium enrichment increases the nutritional value of crops by raising levels of proteins, fats, carbohydrates, and other essential compounds. It also enhances sensory traits like color, taste, and texture, making produce more appealing.

4. Extended Shelf Life: Selenium slows enzymatic activity and reduces oxidative degradation in crops, prolonging post-harvest freshness. This is vital for storage, transportation, and marketability.

5. Reduced Pesticide Use: By bolstering crop resilience, selenium reduces reliance on chemical pesticides, cutting environmental contamination and promoting sustainable farming.

6. Soil Fertility Boost: Selenium stimulates microbial activity in soil, accelerating nutrient cycling and improving overall soil health and fertility.

Drawbacks:

1. Risk of Crop Toxicity: Excessive selenium application can poison plants, stunting growth or causing death. Dose control is critical to avoid toxicity.

2. Soil Acidification: Selenium may react with iron in soil to form insoluble compounds, lowering pH and disrupting soil acidity balance over time.

3. Ecological Disruption: High selenium concentrations can harm aquatic life and alter soil ecosystems by affecting nutrient availability and microbial balance.

4. Yield Reduction Risks: While optimal selenium enhances yields, overapplication can inhibit growth and reduce output due to selenium toxicity.

5. Impact on Soil Microbiota: Excess selenium may compete with microorganisms for nutrients, suppressing their activity and disrupting soil biodiversity.

Spraying selenium fertilizer offers significant advantages, including higher yields, improved crop quality, reduced pesticide use, and enhanced soil health. excessive use poses risks such as crop toxicity, soil acidification, and ecological damage. Careful dosage management is essential to maximize benefits while mitigating adverse effects.