Crop Nutrition

The Role of Potash in Sustainable Agriculture and Advancing Food Security

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27 May 2024, Israel: Potash fertilizer, a key source of potassium, stands as a cornerstone of modern agriculture, playing a critical role in enhancing crop growth, improving yield quality, and advancing global food security. As an essential macronutrient, potassium ensures the efficient transportation of water, nutrients, and carbohydrates within plant tissues, fostering optimal plant health and productivity. However, the challenge lies in harnessing the benefits sustainably. Achieving this balance is crucial for meeting the increasing global food demands while preserving our environmental resources for future generations. 

This article delves into potash fertilizers’ critical role in enhancing agricultural productivity and sustainability, detailing their applications and pivotal contributions to global food security.

Sustainable Practices in the Use and Production of Potash Fertilizers

While the application of nutrients through fertilizers or manure may present challenges, including the potential for environmental impact if lost to water or air, the industry is actively pursuing more sustainable solutions. 

Innovative farming practices and improved fertilizer formulations are being developed to minimize nutrient loss, particularly in sandy soils where leaching is more prevalent. Recent studies, such as those conducted in Denmark, highlight the importance of soil texture in managing potassium efficiency.

These findings have underscored the advancements in precision agriculture—a suite of technologies and practices that enable the tailoring of nutrient application to specific soil types. By leveraging data analytics, GPS mapping, and soil sensors, precision agriculture allows for precise rates and timing of fertilizer application, thereby optimizing usage and further reducing the environmental footprint.

It is important to highlight that, regarding the use of potash, unlike other nutrients like nitrogen and phosphorus, there are no environmental problems associated with potassium, so potash application is not a specific issue for cross-compliance. 

Potassium is essential for plant and animal health, and there are no known adverse effects on human health or the environment from levels significantly higher than those commonly found in rivers and farm soils. However, a negative environmental effect associated with potassium can arise where a shortage of this major nutrient in the soil leads to the inefficient use of nitrogen due to an imbalanced nutrient supply.

Maintaining a sufficient reserve of available potassium in the soil is critical not just to avoid the direct negative effects of a shortage of potassium in the crop but is also essential to ensure efficient recovery and utilization of other nutrients. This is particularly true for the nutrient nitrogen. 

Even if the correct recommended rate of nitrogen is applied, if the soil, and therefore the crop, is potassium deficient, the efficient recovery and utilization of the nitrogen will be severely impaired. This will have a negative effect on the profitability of the crop and also means that unused nitrogen remains in the soil and becomes liable to loss through leaching or other pathways, highlighting the interconnected nature of nutrient management and environmental sustainability.

Innovative Manufacturing Processes for Reduced Impact

ICL’s innovation extends to its manufacturing processes, where the company focuses on reducing the carbon footprint of all fertilizer production including potash. These technologies help minimize the impact on the atmosphere, surface water, groundwater, and soil, protecting the surrounding ecosystems. 

By adopting energy-efficient methods and exploring the use of renewable energy sources, ICL not only is a global leader in sustainable fertilizer production but also contributes to the broader goal of reducing agriculture’s environmental impact. 

ICL is integrating renewable energy sources and optimizing manufacturing processes to set new standards in environmental sustainability within the industry. These efforts reflect ICL’s holistic approach to sustainability, balancing the need for high-quality agricultural inputs with the imperative of environmental conservation.

Through responsible mining practices and a commitment to environmental stewardship, ICL demonstrates its dedication to ensuring the sustainability of its operations.

A Commitment to Ecological and Agricultural Harmony

Through these practices, ICL exemplifies its dedication to sustainable agriculture, aiming for a future where food production can coexist with environmental preservation. By providing farmers with the tools and knowledge to use potassium fertilizers judiciously, ICL plays a pivotal role in promoting soil health, water conservation, and biodiversity.

Food Security and Sustainability: The Essential Role of Potassium

Potash fertilizers play a pivotal role in maintaining food security by supplying potassium (K), an essential nutrient critical for plant health and productivity. Let’s dive into how the judicious use of potash helps advance food security and sustainability.

1. Increased crop yields

Potash fertilizers provide essential potassium to plants and play a vital role in increasing crop yields. Plants need potassium for physiological processes, such as photosynthesis, nutrient uptake, and water regulation. Adequate potassium supply promotes healthy plant growth, enhances nutrient use efficiency, and improves the overall productivity of crops. 

2. Potassium helps maintain nutrient balance and fertility in the soil 

Along with nitrogen (N) and phosphorus (P), potassium (K) is one of the primary plant macronutrients. Balancing nutrient availability in the soil is crucial for optimal plant growth and crop production. 

Potash fertilizers replenish potassium in the soil, ensuring that plants can access this essential nutrient. Nutrient-depleted soils can lead to reduced yields, and by supporting nutrient balance and soil fertility, potash fertilizers contribute to sustainable food production.

3. Potassium enhances plant stress resistance and resilience 

Potash fertilizers help plants withstand abiotic stresses, including drought, heat, and salinity and may become more important in the face of climate change. 

Potassium regulates stomatal activity, reducing water loss during drought and providing resilience to crops. It also promotes osmotic regulation and enhances plant tolerance to high temperature and salt stress. Potash fertilizers can help maintain yields and ensure a stable food supply in regions prone to adverse environmental conditions by improving stress resistance.

4. Improved crop quality and nutritional value 

Potash fertilizers positively influence crop quality and nutritional value. Potassium is involved in various biochemical and physiological processes that affect taste, texture, color, and shelf life. Additionally, potassium plays a role in carbohydrate metabolism, protein synthesis, and nutrient translocation within plants. 

Potassium is essential for human health – for example, hypertension (high blood pressure) is a significant risk factor for cardiovascular diseases such as heart disease and stroke, but increasing dietary potassium intake is associated with a decrease in blood pressure. An adequate potassium supply through potash fertilizers helps produce crops with improved nutritional content, enhances the availability of nutritious food options, and supports balanced and healthy diets.

By improving crop quality, potash fertilizers contribute to sustainable agriculture practices, prioritizing nutritional value and health, marketability, and consumer satisfaction. 

Potash and Sustainability

Potash fertilizers also play a key role in sustainable agriculture. Potassium promotes root development, improving nutrient and water uptake efficiency. It enhances photosynthesis, energy transfer, and carbohydrate metabolism, increasing biomass production and yield. 

According to the IPI (International Potash Institute), using of potassium fertilizers can improve:

  • Nitrogen Use Efficiency (NUE) by 20%
  • Crop yield and quality by 20%
  • Tolerance to pests and disease by 30%
  • Food security by 20%

The Global Initiative on Potassium Deficiency: A Collaborative Approach

In response to the growing need for improved crop nutrition and sustainable farming practices, the partnership between the University of Nebraska–Lincoln (UNL) and the International Fertilizer Association (IFA) represents a significant stride towards global agricultural improvement. This ambitious two-year project is dedicated to addressing potassium deficiencies in crop systems worldwide.

With the support of ICL and other key fertilizer producers, this initiative aims to develop an extensive database of potassium levels across major agricultural regions, addressing a critical need for enhanced crop nutrition and food security.

Under the expert guidance of Prof. Patricio Grassini from UNL, the project is set to make significant strides in nutrient management and fertilizer recommendations, benefiting not just farmers but also researchers, policymakers, and the broader agri-food sector. The effort underscores the importance of international collaboration and ICL’s commitment to sustainability and agricultural innovation.

ICL’s Potassium Solutions: Excellence in Sustainability and Agronomic Support

ICL Group is a leading world fertilizer manufacturer committed to advancing food security through sustainable and innovative agricultural practices, fertilizer production, and use. 

ICL manufactures potash fertilizers using environmentally friendly methods, particularly at its unique Dead Sea site, where natural evaporation contributes to the production process. This approach not only ensures high-quality potash, rich in potassium but also significantly reduces the carbon footprint compared to alternative products in the market. 

As a global leader in fertilizer manufacturing, ICL delivers high-quality, ready-to-use potash fertilizers that help farmers boost yields and contribute to worldwide food production. 

Utilizing potash as a foundational raw material, ICL crafts a diverse array of products, including compound granular fertilizers (NPK, PK) and advanced water-soluble fertilizers—namely Nova PeaK, Pekacid, and various NPK solid and liquid formulations. 

This range of offerings underscores our dedication to innovation, sustainability, and the production of superior fertilizers that meet the comprehensive agricultural needs of today’s farmers. ICL’s steadfast commitment to quality and environmental stewardship positions our potash fertilizers as the premier choice for enhancing crop performance and supporting sustainable farming practices.

ICL’s commitment extends beyond production to encompass comprehensive agronomic support. The company’s team of professional agronomists and technical experts works closely with customers, offering tailored advice to optimize potassium nutrition and ensure that every application of ICL potash maximizes both crop performance and environmental benefits. This holistic approach not only underscores ICL’s role as a provider of superior potash fertilizers but also highlights its dedication to sustainable farming solutions.

ICL’s Portfolio of New Generation Potassium Fertilizers

ICL offers a wide range of specialized potassium fertilizers tailored to meet the specific needs of different crops, soil conditions, and farming practices. These products go beyond the traditional choices of potash, providing solutions that cater to chloride sensitivity or salt accumulation concerns, and supporting sustainable agriculture with innovative formulations. The expanded specialty range includes advanced fertilizers with potassium, such as Polysulphate®, ICL PotashpluS™, Nova PeaK (mono-potassium phosphate, MKP), and Pekacid among others. 


Polysulphate® is a naturally occurring 4-in-1 mineral fertilizer with four essential nutrients: potassium (K), sulfur (S), magnesium (Mg), and calcium (Ca). Extracted from the unique mineral polyhalite, Polysulphate® is exclusively produced by ICL and is instrumental in promoting sustainable farming practices by providing a comprehensive nutrient package. Polysulphate® stands out as the fertilizer with a very low carbon footprint and has international certification for organic agriculture. 

ICL PotashPluSTM

ICL PotashpluS™ is a unique granular fertilizer that merges Polysulphate® and potassium chloride, providing crops with essential potassium, sulfur, magnesium, and calcium in a single application. ICL PotashpluS™ simplifies fertilization by offering four crucial nutrients at once and reducing chloride content, making it more compatible with sensitive crops and environments. Its nutrient availability is optimized for plant uptake across various crops and soil types. 

Nova PeaK (Mono-Potassium Phosphate, MPK)

Nova PeaK is a water-soluble fertilizer for fertigation and foliar applications. Specifically crafted to exclude nitrogen (N), this specialized formulation provides optimal phosphorus to potassium (P:K) ratio during critical phases of plant growth such as flowering, fruit setting, ripening, and harvesting, where the demand for nitrogen is reduced.

MKP is highly valued in fertigation and horticulture for its purity and nutrient availability. Using proprietary technology, ICL sets the global standard as the largest producer of mono-potassium phosphate (MKP), leveraging unique, proprietary technology to guarantee exceptional product quality worldwide. MKP 0-52-34 is fully water-soluble, has low sodium content, and contains no impurities. 

Nova Pekacid

Nova Pekacid 0-60-20, a patented innovation from our lineup, emerges as a great solution for those in need of water-soluble phosphorus and potassium. This unique formulation combines the benefits of phosphoric acid in a safe, crystalline form with added potassium, enhancing nutrient uptake in various crops. Designed for fertigation in both open-field and soilless setups, its acidifying properties prevent irrigation clogs and clean driplines, ideal for hard water or calcareous soils. 

PeKacid is safe, posing no hazards in use, storage, or transport, eliminating spillage risks. Its effectiveness in dissolving quickly and maintaining irrigation efficiency makes it essential for nutrient delivery and system upkeep. This efficient nutrient provider and system cleaner simplifies agricultural practices, ensuring healthy crops and durable irrigation setups.


The pivotal role of potassium in sustainable agriculture and advancing food security cannot be overstated. Potash fertilizer, a rich source of essential potassium, serves as the cornerstone of modern farming practices, enhancing crop growth, improving yield quality, and ensuring global food security. While challenges persist in harnessing these benefits sustainably, ongoing innovations in farming practices and fertilizer formulations are actively mitigating environmental impacts.

ICL, as a leader in the fertilizer industry, exemplifies a commitment to sustainability through its innovative manufacturing processes and diverse portfolio of potassium fertilizers. Products like Polysulphate®, ICL PotashpluS™, Nova PeaK, and Pekacid showcase ICL’s dedication to providing farmers with effective and environmentally friendly solutions tailored to diverse agricultural needs.

Furthermore, collaborative initiatives like the Global Initiative on Potassium Deficiency highlight the importance of international cooperation in addressing agricultural challenges and promoting sustainable practices.

Through continued innovation, responsible practices, and comprehensive agronomic support, ICL is paving the way for a future where food production coexists harmoniously with environmental preservation.

If you would like to know more about ICL’s range of potash fertilizers and how they can help your agricultural business, please contact us here. 

Also Read: IARI Starts Sale of Imazethapyr Tolerant Basmati Rice Varieties

(For Latest Agriculture News & Updates, follow Krishak Jagat on Google News)

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