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Copy link Potassium (K) is one of the three essential plant macronutrients, along with nitrogen and phosphorus, that plants need to thrive. Choosing and using potassium-based fertilizers guarantees the availability of potassium in the soil, ready for plants to take up the relatively large amounts of the nutrient they require.
Potassium increases crop yields and improves the quality of agricultural produce while also enhancing the ability of plants to resist diseases, insect attacks, cold and drought stresses, and other adverse conditions. By helping develop strong and healthy root systems, potassium increases the efficiency of the uptake and use of nitrogen and other nutrients.
Potassium and Animal Nutrition
And it is not just plants that benefit. Potassium improves the nutritional quality of products destined for animal nutrition, such as grassland and forage crops, meaning potassium is significant in livestock nutrition.
Many Roles of Potassium in Plants
The importance of potassium stems from its multiple roles in plants:
- Potassium is involved in the activation of more than sixty enzymatic systems in plant cells and in the synthesis of proteins, vitamins, starch, and cellulose which ensure normal plant metabolism, plant growth, and the formation of strong tissues.
- Potassium helps photosynthesis, the process through which the sugars and energy that the plant needs for its development are formed and converted.
- Potassium controls the opening and closing of the leaf stomata, regulating the water status in the plant.
- It is essential in starch formation and the production and translocation of sugars. Potassium is, therefore, of particular value in carbohydrate-rich crops such as sugarcane, potato, and sugar beet.
- The production of starch and sugar in legumes boosted by potassium benefits the symbiotic bacteria living on the roots and thus improves nitrogen fixation.
- Potassium not only increases yields but also enhances crop quality. It improves the nutritional value of grains, tubers, and fruits by increasing the contents of protein and oil in seeds, starch in tubers and seeds, and vitamin C and sugar in fruits.
- With an adequate supply of potassium, cereals produce plump grains and strong stalks, making them resistant to lodging.
- Potassium improves the flavor and color of fruits and increases the size of tubers and fruits. In addition, it increases the resistance to various injuries during storage and transportation, thus extending shelf life.
Symptoms of Potassium Deficiency
Plants deficient in potassium suffer in several ways. Potassium-deficient plants are prone to ‘lodge’ or bend over at ground level, which makes them difficult to harvest. Potassium deficiency also makes plants more susceptible to disease.
Visually, the older leaves appear to have burned edges (scorching), and since potassium is mobile in the plant, the bottom and older leaves show potassium deficiency symptoms first.
3 Brands found
86 Products found
8-28-7+3CaO+3MgO+8.5SO3+0.5B | 5-6M is a high P analysis enriched with Ca, Mg, S, and a high level of B, especially designed for new forestry, orchard and vineyard plantations and ideal for planting hole applications.
10-7-22+2MgO | 16-18M has a high K analysis enriched with Mg – perfect for the establishment and uniform growth of crops cultivated in tropical areas.
11-21-9+6MgO | 8-9M is a high P analysis that promotes root development and crop establishment, enriched with a high level of Mg, it boosts photosynthesis of new young plants for improved and healthier growth.
14-12-9+0.1B | 8-9M has a high NP analysis enriched with B to bring about fast-growing crops and well-established root systems and is ideal for planting hole applications.
17-7-10+4MgO | 12-14M has a high N analysis enriched with Mg, making it ideal to be used for the establishment and uniform growth of both new plantation in the field and main nurseries of crops grown in sub-tropical areas.
17-8-9+3MgO | 16-18M features a high N analysis enriched with Mg, so it’s perfect for the establishment and uniform growth of crops grown in tropical areas, such as oil palm seedlings.
When spring has sprung, make sure your temperate and sub-tropical crops follow suit with Agroblen® 17-9-8+4MgO | 8-9M. This high-nitrogen granular NPK fertilizer has been specially formulated to help you establish your new temperate and sub-tropical plantations, such as avocados and citrus. With added magnesium for enhanced photosynthesis, this product is ideal for spring applications. Thanks to ICL’s patented Resin Release Technology, your plants can enjoy a controlled, sustained, and reliable 8-9 month nutrient release.
18-5-10+2MgO | 2-3M features an analysis designed specifically for new plantations in strawberry and other soft fruit crops, it enables fast growth and establishment of crops and is ideal for row applications.
18-5-11+2MgO | 3-4M has an analysis designed specifically for new plantations in strawberry and other soft fruit crops and it facilitates fast growth and crop establishment – plus it’s ideal for row applications.
22-0-20 | 3-4M is a well-balanced N and K analysis for crops grown in soils with very high levels of P.
9-20-8+3MgO+0.1B | 8-9M has a high P analysis enriched with Mg and B for a strong root system and uniform growth – it’s designed especially for the plantation of new conifers and other crops in forestry and orchards and is ideal for planting hole applications.
14-20-5+2MgO+TE | 5-6M | 7.5 grams – Designed to deliver new plantations in spring a high NP analysis source of nutrition in a single application to develop a strong root system and well-balanced vegetative growth.
9-20-7+2MgO+13.5SO3+TE | 8-9M | 10 grams. A steady supply of precision nutrition for new plantations in spring or autumn that covers all your plants’ needs for the full crop cycle.
Featuring a new innovative combination of the resin coating technology plus the V-Factor organic growth enhancer for stronger root development, improved plant growth, better plant establishment and high survival rates.
This fully coated MOP based product significantly reduces K leaching in light soils and especially tropical soils while fulfilling crop’s potassium needs, in one single base application.
Agromaster 10-5-23+2CaO+5MgO+29SO3 | 2-3M is a 61% coated N A multi-nutrient product featuring a high K analysis enriched with extra Ca, Mg and S, making it ideal for all kinds of crops with a medium-long crop cycle, especially those grown in light soils (for example, onions, carrots, potatoes, tomatoes, peppers and eggplant).
Agromaster 11-8-27+3CaO+12.5SO3 | 2-3M consists of 61% coated N, high K analysis and high level of coated nitrogen, making it ideal for all Cl-tolerant crops with a medium-long crop cycle that are grown especially in light soils (for example, onions and potatoes).
Agromaster 12-12-22+3.7CaO+2MgO+13.5SO3 | 2-3M is a 41% coated N. A product with a typical 2-2-4 NPK ratio enriched with Ca, Mg and S and is the perfect for solution for crops that love potassium and are grown either in open fields or protected areas (for example, onions, carrots, potatoes, tomatoes, peppers and eggplant).
Agromaster 12-5-20+2CaO+4MgO+35SO3 | 2-3M is a 41% coated N. A multi-nutrient product providing a high K analysis enriched with extra Ca, Mg and S, making it perfect for all kinds of crops grown in protected areas or in open field with a medium-long crop cycle (for example, melon, soil-grown soft fruits, gherkins and eggplants).
Agromaster 15-7-15+3MgO+34SO3 | 2-3M is a 30% coated N. A product with a well-balanced N-K analysis and 2-1-2 NPK ratio, plus extra Mg and S, which means it is ideal for all crops grown in open field or protected areas (such as leafy vegetables and mature vineyard and orchard plantations).
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