Revitalized cornfield through foliar feeding

Unlock Bountiful Harvests: How Nutrients Can Rescue Your Maize from Drought!

Lena Kashyap monogram
Lena Kashyap in Climate & Environment October 2026 • 4 min read.

"Discover the secrets to drought-resistant maize with foliar feeding! A guide to maximizing yield when water is scarce."


In many parts of the world, including Iran, drought is a major threat to agriculture. As water becomes scarcer, innovative strategies are needed to ensure food security. Efficient water management and the optimized application of nutrients are essential for maximizing crop production and securing returns for farmers.

One promising approach involves the foliar application of nutrients—spraying nutrients directly onto the leaves of plants. This method can be particularly effective in delivering essential elements when the soil is dry or nutrient uptake is otherwise compromised. This article delves into a fascinating study that explores how foliar applications of selenium and microelements can enhance the drought resistance and overall productivity of maize crops.

The research, conducted at the Islamic Azad University-Arak Branch in Iran, investigates the impact of these nutrient interventions on maize plants subjected to varying levels of water deficit. By understanding the results of this experiment, farmers and agricultural enthusiasts can gain valuable insights into how to mitigate the adverse effects of drought and optimize their maize yields.

AI Search Multiple angles on this topic

Article 274 and Land-Use Rights

The listed sources concern Article 274 of the Civil Code of the Russian Federation, which addresses the limited use of another person's land plot, known as a servitude. ConsultantPlus dates the provision to November 30, 1994, while the same source notes that paragraph 1 must be applied with features established by Federal Law No. 69-FZ of April 1, 2020. The available material does not provide statistics about maize drought, nutrients, or harvest impacts.

Evidence Limitations

No source material was provided for this subsection. In general, nutrient-based responses to drought would need to be assessed in relation to soil conditions, crop needs, water availability, and local management practices. Without subsection-specific evidence, no particular method or limitation can be presented as established here.

Historical Context

No sources were supplied for this subsection. A historical account would require evidence about the development of maize nutrition, drought research, or agricultural practices. The available material does not support identifying particular milestones or discoveries.

How Can Nutrients Bolster Maize During Drought?

Revitalized cornfield through foliar feeding

The study employed a split-plot factorial design, testing four irrigation levels, including full irrigation (control) and water deficit at the eight-leaf stage (V8), blister stage (R2), and grain filling stage (R4). Within these irrigation treatments, selenium (with and without 20 g/ha) and microelements (with and without 2 l/ha) were applied as foliar sprays. The maize hybrid 'KSC 704' was used, and the experiment was conducted over two growing seasons (2007-2008).

The results revealed that water deficit stress significantly reduced grain yield, particularly at the blister stage (R2), where a 19.7% decrease was observed compared to the control. However, the application of selenium showed promise in mitigating these losses, significantly increasing relative content water at the R2 and R4 stages. In essence, the nutrients helped the plants maintain hydration and function more effectively under stress.

  • Selenium Boosts Hydration: Selenium application significantly increased relative water content in maize leaves during critical growth stages (R2 and R4) when plants were under water stress.
  • Yield Protection: While water deficit stress reduced grain yield, strategic selenium application helped to offset some of these losses.
  • Nutrient Synergy: The study found a complex interaction between selenium and microelements, indicating that their combined effect on maize requires careful consideration.
AI Search Multiple angles on this topic

Research Evidence

No source material was found for this subsection. Current research claims about nutrients and drought-tolerant maize should therefore be treated cautiously unless supported by studies or reviews. No specific experiment, dataset, or finding can be attributed here.

Unresolved Risks

No sources were provided for this subsection. Potential failures of nutrient-based drought responses would need evidence concerning conditions such as soil variability, application practices, and the severity or timing of water stress. The supplied material does not establish any specific counterargument or failure.

Comparing Electric Bikes

The supplied sources compare electric bicycles rather than maize nutrition. Bicycling's August 6, 2026 list identifies editor-tested picks from Aventon, Lectric, Ride1Up, Specialized, and REI, while Electric Bike Report describes comparisons involving pros, cons, features, specifications, and budget ranges. Walmart emphasizes that terrain influences whether mountain, road, hybrid, or cruiser designs make sense, and Amazon presents a Best Sellers ranking of adult electric bicycles.

Interestingly, the highest grain yields were achieved with specific combinations: water deficit stress at the eight-leaf stage combined with either no selenium or selenium application but without microelements. These findings suggest a nuanced relationship, where the timing and combination of nutrient applications are crucial for maximizing benefits. It also highlights the importance of tailoring nutrient strategies to specific stress conditions.

Turning Research into Real-World Solutions

This research underscores the potential of foliar nutrient applications, particularly selenium and microelements, in enhancing the resilience of maize crops to drought stress. By carefully considering the timing and combinations of these nutrients, farmers can optimize their yields even when water is scarce. These findings are especially relevant in regions facing increasing water scarcity due to climate change. Further research is needed to fine-tune these strategies and explore their applicability across diverse maize varieties and environmental conditions. Ultimately, the goal is to equip farmers with the knowledge and tools they need to ensure food security in a challenging world.

AI Search Multiple angles on this topic

Evidence-Based Synthesis

No sources were supplied for this subsection. A sound synthesis would need to connect verified evidence about nutrients, drought stress, maize growth, and farm-level outcomes. The available source lists do not support expert conclusions about those subjects.

Future Research

No source material was provided for this subsection. Future directions could only be described responsibly using documented projections, research priorities, or emerging technologies. None of those specifics appears in the supplied sources.

Lighting Choices and Constraints

The listed sources address residential lighting rather than agriculture. This Old House presents 2026 picks for recessed lights and compares prices, features, and installation tips, while its LED-light review considers ease of installation, light quality, durability, smart features, and customer reviews. Other sources rank pendant lights by style, brightness, and value or list LED light strips for home decor, but they do not establish systemic challenges for drought-affected maize.

Consumer Services

The supplied sources describe Amazon consumer services rather than farmers' experiences with drought or maize nutrients. Amazon Prime is presented as offering unlimited Prime Video streaming, including new releases, award-winning Originals, and live sports. Amazon also advertises free shipping on millions of items and shopping and entertainment benefits, while Amazon Music offers access to more than 100 million songs along with podcasts.

Foliar treatments tested on KSC 704 maize

Study designRandomised or controlled trial[1]
PopulationMaize hybrid ‘KSC 704’[1]
Sample sizefour replications[1]
SettingResearch Station of Islamic Azad University-Arak Branch, Iran[1]
Duration2007-2008[1]
Effect sizeWater deficit stress decreased grain yield 19.7% in blister stage as compared with control[1]
Times cited2[1]

What the replicated field experiment can show

Randomised or controlled trial (level 3 of 8)

The randomized complete block design with four replications supports comparisons among the treatments tested at the Arak research station; it does not by itself show that the same results apply in other settings.[1]

How this trial relates to other maize findings

Separate maize studies report different foliar approaches and outcomes: selenium under water deficit was associated with improved fodder measures, while zinc and manganese oxide nanoparticles were associated with higher seed yield than water spray.[2] [3]

What the treatment pattern suggests

The study’s conclusion distinguishes between irrigation conditions: micronutrient spray was associated with optimum yield under optimum irrigation, while selenium spray was associated with optimum yield under water deficit.[1]

The selenium result for leaf water content gives a possible physiological counterpart to that yield pattern, but the findings do not establish that maintaining leaf water content caused the yield outcome.[1]

A reported negative interaction between selenium and micronutrients on some measured traits suggests their combined effects were not uniformly beneficial across outcomes.[1]

Questions left by the treatment comparisons

  • Which measured traits showed negative antagonism when selenium and micronutrients were combined?[1]
  • How do the measured changes under water deficit relate to the yield response across the irrigation and spray treatments?[1]

Terms used in the trial

R2
The blister stage of maize growth.[1]

Sources

  1. Effects of Nutrients Foliar Application on Agrophysiological Characteristics of Maize under Water Deficit Stress (Society of Land Measurements and Cadastre from Transylvania, 2010)
  2. Selenium Supplementation Affects Physiological and Biochemical Processes to Improve Fodder Yield and Quality of Maize (Zea mays L.) under Water Deficit Conditions (www.frontiersin.org)
  3. Response of Maize (Zea mays L.) to Foliar-Applied Nanoparticles of Zinc Oxide and Manganese Oxide Under Drought Stress (pmc.ncbi.nlm.nih.gov)

About this Article -

Written with AI assistance from published research, and reviewed by the Mystum team. See our About page for more information.

This article is based on research published under:

DOI-LINK: 10.15835/nsb234734, Alternate LINK

Title: Effects Of Nutrients Foliar Application On Agrophysiological Characteristics Of Maize Under Water Deficit Stress

Subject: Horticulture

Journal: Notulae Scientia Biologicae

Publisher: University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca

Authors: Nour Ali Sajedi

Published: 2010-09-27

Everything You Need To Know

1

How can applying nutrients help maize crops withstand drought conditions?

Foliar application of nutrients, specifically selenium and microelements, can help maize plants maintain hydration and function more effectively when water is limited. Selenium, in particular, has been shown to increase relative water content in maize leaves during critical growth stages such as R2 and R4, while strategic applications of selenium and microelements can offset losses in grain yield caused by water deficit. The interaction between selenium and microelements is complex, so careful consideration of timing and combination is important.

2

What were the specific experimental parameters in the study that examined drought resistance in maize?

The study used a split-plot factorial design, testing four irrigation levels: full irrigation (control) and water deficit at the eight-leaf stage (V8), blister stage (R2), and grain filling stage (R4). Within these irrigation treatments, selenium (with and without 20 g/ha) and microelements (with and without 2 l/ha) were applied as foliar sprays to the maize hybrid 'KSC 704' over two growing seasons (2007-2008). These parameters provided data about how maize crops respond to drought when foliar feeding is utilized.

3

Under what specific drought and nutrient application conditions were the highest grain yields achieved in the maize study?

The highest grain yields were observed when water deficit stress occurred at the eight-leaf stage (V8), combined with either no selenium or selenium application but without microelements. This suggests the impact of nutrient applications on maize is highly dependent on the timing and severity of drought stress, and that the combination of selenium and microelements needs careful consideration to maximize its benefits. Further research would be needed to determine if the results are applicable across diverse maize varieties and environmental conditions.

4

What specific benefits did selenium provide to maize plants experiencing drought stress?

Selenium application significantly increased relative water content in maize leaves during the blister (R2) and grain filling (R4) stages when plants were under water stress. While water deficit stress reduced grain yield, strategic selenium application helped to offset some of these losses. This boost in hydration and protection may contribute to more stable yields when drought conditions threaten maize crops. The relationship between selenium and microelements requires careful consideration.

5

What are the broader implications of research on foliar feeding of selenium and microelements for maize crops in regions facing water scarcity?

This research highlights the potential of foliar nutrient applications, especially selenium and microelements, to enhance drought resilience in maize crops. The findings suggest that by carefully timing and combining these nutrients, farmers can optimize yields even when water is limited. These strategies are particularly relevant in regions facing increased water scarcity due to climate change. The importance of this approach is to provide farmers with information to ensure food security in a challenging world.

Newsletter Subscribe

Subscribe to get the latest articles and insights directly in your inbox.