Manganese

AF MANGANESE is a highly efficient liquid foliar product designed to contribute to various biological systems within plants, including photosynthesis, respiration, chloroplast formation, nitrogen assimilation and synthesis of some enzymes. Produced using a unique process of production, via the Flex Fertiliser System ApS, AF MANGANESE contains a true amide complex that increases the uptake and efficiency of trace elements to the crop.

N Mg S Mn

TECHNICAL BREAKDOWN

2.0% Total Nitrogen (N)

2.0% Amide Nitrogen (N)

0.8% Magnesium (MgO)

16.9% Sulphur (SO3)

12.0% Manganese (Mn)

APPLICATION METHOD

DIRECTIONS FOR USE

IMPORTANT: This information is approved as part of the product label. All instructions within this section must be read carefully in order to obtain safe and successful use of this product.

For best results of nutritional uptake, apply in the evening or early morning. Do not spray when the crop is in stressed conditions such as very hot weather or drought.

Shake the container well before opening and use. Spray equipment should always be clean before adding product.

COMPATIBILITY: Compatible with a wide range of agrochemical products. For details of compatibilities contact your distributor or local AIVA FERTILISER representative. Carry out a jar test before adding to a new mix.

FOLIAR APPLICATION

MIXING: Half fill the spray tank with water, begin agitation and add the required quantity of AF MANGANESE* to the tank. Rinse container thoroughly and then add the rinsings to the sprayer. Once mixed, continue agitation until spraying is complete and spray without delay. It is not advised to leave products in the tank for long periods of time. *Mix into the tank last when used alongside pesticides.

TIMING: Apply as necessary, higher rates may be needed in very severe deficiency.

DOSE RATE: 3-5 L/ha

WATER RATE: 100-200 L/ha

THE IMPORTANCE OF MANGANESE

Manganese deficiency is a widespread problem, most often occurring in sandy or organic soils with a pH above 6. It is typically worsened by cool and wet conditions.

Winter crops must endure a lot of stress during the colder, more wet winter season. Manganese is a very important nutrient at this point of time. In winter wheat and winter barley, deficiencies of Manganese can lead to the death of many shoots and plants and a deficiency level can limit growth before you notice typical symptoms in the leaves.

Manganese plays a key role in photosynthesis where it facilitates the photolysis (light splitting) of water molecules which provides the energy for photosynthesis to occur.

LOOKING FOR MANGANESE DEFICIENCIES

It is necessary to note the difference between Magnesium and Manganese. Magnesium is a part of the chlorophyll molecule, Manganese is not. The symptoms of Manganese deficiency can be relatively similar to Magnesium deficiencies because Manganese is also involved in photosynthesis. Leaves become yellow and there is also interveinal chlorosis. However, Manganese is less mobile in a plant, compared to Magnesium, so the symptoms of deficiency appear first on young leaves. Manganese deficiency symptoms appear as interveinal chlorosis (yellow leaves with green veins) on the young leaves, and sometimes tan, sunken spots that appear in the chlorotic areas between the veins. Plant growth may also be reduced, pale and limp.

If in doubt, take a tissue analysis.

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