All plants need magnesium (Mg). Under optimum growing conditions, plants garner this magnesium from the soil. But magnesium availability can be hampered due to leaching, especially in sandy soils, or because of environmental conditions such as wet, cold, or an acidic root environment. An imbalance of nutrients in the soil, including high levels of potassium, calcium, or ammonia, can also restrict magnesium uptake by plants.
The Role of Magnesium in Crops
Magnesium is required to help plants to capture the sun’s energy for growth and production through photosynthesis. Photosynthesis takes place in chlorophyll, the green pigment in plants, and magnesium is the central atom of the chlorophyll molecule, with each chlorophyll molecule containing 6.7% magnesium.
Magnesium also plays a significant role in activating enzymes involved in respiration, photosynthesis, and nucleic acid synthesis. It aids in phosphate metabolism, serving as a carrier of phosphate compounds throughout the plant. Magnesium facilitates the translocation of carbohydrates (sugars and starches), enhances the production of oils and fats, and is necessary for cell division and growth.
Symptoms of Magnesium Deficiency
Magnesium-deficient plants show interveinal chlorosis (dark green veins with yellow areas between them) on their older leaves. These yellowed or chlorotic leaves develop spotted areas of dead tissue and the leaf edges curl. Since magnesium is mobile in the plant, the lower or older leaves are always affected first.
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When spring has sprung, make sure your temperate and sub-tropical crops follow suit with Agroblen® 17-3.9-6.6+2.4Mg | 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.
Agromaster 16-8-16+5MgO+16SO3 | 5-6M has a 94% coated N / 82% coated P and K A high value Agromaster formulation enriched with magnesium, making it ideal for longer crop cycles of vegetable crops, while the high coating % of NPK makes it ideal for placement on spots, bed or by row application (for example, tomatoes, peppers and eggplant).
Agromaster Hi N | 5-6M is a 95% coated N / 51% coated P / 100% coated K product, which thanks to this valuable 2-1-1 NPK analysis enriched with a high level of Mg combines a high level of coated nutrients and adequate longevity for long crop cycles in open field or protected areas to create an essential buffer of nutrients leading to uniform growth and higher yields (for crops such as tomatoes, peppers and eggplants).
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