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Copy link Of all the essential nutrients, nitrogen (N) is the nutrient that normally produces the greatest yield response in crop plants, promoting rapid vegetative growth and giving the plant a healthy green color. And yet it is also the nutrient that most often limits crop growth. Choosing the right nitrogen fertilizer will reward your crops with better growth, and reward growers with better returns.
Nutrient Conversion Calculator
Role of Nitrogen
Nitrogen is an important component of many essential structural, genetic, and metabolic compounds in plant cells. It is also an elementary constituent of numerous important organic compounds including amino acids, proteins, nucleic acids, enzymes, and the chlorophyll molecule. It is clear to see why it is essential to ensure crops have access to sufficient nitrogen.
Plant roots take up nitrogen in its inorganic forms, nitrate (NO3–) and ammonium (NH4+) ions. Once inside the plant, NO3 is reduced to the NH2 form and is assimilated to form the organic compounds.
Nitrogen is not recommended for legume crops such as soybean, since they manufacture their own nitrogen supply. Nitrogen-fixing soil organisms (rhizobium) associated with the roots of legumes capture atmospheric nitrogen and make it available to the plant.
Symptoms of Nitrogen Deficiency
Plants lacking nitrogen have very slow growth and look weak and stunted. Older leaves have a light green or yellow color. As nitrogen is mobile in the plant and moves to where it is needed, these older and lower leaves are always first to show symptoms of deficiency.
16 Brands found
88 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.
Fully coated nitrogen and phosphorus making it ideal as a safe starter fertilizer, particularly in soils with a high tendency of P-fixation.
Longevity tailored to short-medium cycles of crops including potatoes and other open field soil grown vegetables in sub-tropical and tropical areas.
Ideal longevity for medium-late cycles of crops such as potatoes and other open field soil grown vegetables in sub-tropical and tropical areas.
Longevity suited to short-medium cycles of crops such as potatoes and other open field soil grown vegetables in Mediterranean areas.
Ideal longevity for medium-late cycles of crops such as potatoes and other open field soil grown vegetables in Mediterranean areas.
Ideal longevity for short-medium cycles of crops such as potatoes, Brassicas and leafy vegetables.
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