YaraVita Magflo 300

YaraVita Magflo 300 Foilar Fertiliser

YaraVita MAGFLO 300 is a fully formulated flowable liquid fertiliser containing a high concentration of magnesium for foliar application to extend greenness in cereals and potatoes or to treat magnesium deficiency in a wide range of crops.


Highest Concentration of Magnesium

Almost 8-10 times more Mg than in a typical liquid chelate

Three times the percentage Mg of magnesium sulphate

Substantial Mg provision

Stable suspension concentrate formulation


Widest Tank Mixability

Suitable for almost any tank mix

Gives greater flexibility in field recommendations


Excellent Plant Absorption

Quickly taken up by the crop

Very mobile within the plant

Lasting feeding effect

Extends greenness of flag leaf in wheat

Extends greenness of potato haulm


Safe for Crops and Operators

Very safe formulation

Easy to handle liquid formulation

Easy to measure, pour and mix the product in the spray tank


Analysis

30% w/v = 300 g/l Mg (50% w/v = 500 g/l MgO)


Pack Size

10 litres


Available in England, Wales, Scotland and Northern Ireland.

Ask for a quote from a local supplier Where can I buy Yara fertilisers ?
Nutrient composition Product and safety information Product application advice
Blueberries

Blueberries: 4 l/ha applied 10 days after petal fall has finished. Bushes being grown for a second cropping year should receive the fruiting year programme again. Water rate: 1000 l/ha.

Grapevines

Grapevines: 4 l/ha at flower buds visible, flower buds separated and fruit set. Water rate: 200-500 l/ha.
Strawberry

Strawberry (field grown): 4 l/ha at green bud. Water rate: 200-500 l/ha.
Raspberries

Raspberry: 4 l/ha at start of flowering and at 10 to 14 day intervals as necessary, up to 14 days before harvest. Water rate: 200 to 500 l/ha.
Blackcurrants

Blackcurrant: 4 l/ha at full flower and 4 l/ha at first fruit set. Water rate: 200 to 500 l/ha.

Beetroot

Red Beet: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Turnip

Turnip: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Carrots

Carrot: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Note: On carrots, final application to be made one month before harvest. Water rate: 200 l/ha.
Sugar Beet

Sugar Beet: 2-4 l/ha at 4-6 leaf stage, with repeat applications at the above rate at 10-14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Potatoes

Potatoes: 2-4 l/ha 1 week after 100% emergence and following petiole analysis during tuber bulking. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Water rate: 200 l/ha.
Parsnip

Parsnip: 4 l/ha when crop is 15 cm tall. For moderate to severe deficiency, repeat applications at 10 to 14 day intervals. (3 applications maximum). Water rate: 200 l/ha.

Fodder Beet

Fodder Beet: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Swede

Swede: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Conifers

Conifers: 2-4 l/ha when there is new season leaf production and 2-4 l/ha in early autumn. Water rate: 500 to 1,000 l/ha.

Asparagus

Asparagus: Four to five applications of 2 to 4 l/ha during vegetative growth, with repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.
Leek

Leek: 2-4 l/ha 2 weeks after transplanting. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Lettuce

Lettuce (field grown): 2-4 l/ha 2 weeks after transplanting. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Note: Final application to be made at least one month before harvest. Water rate: 500 l/ha.
Onions

Onion: 2 to 4 l/ha two weeks after transplanting, or in the case of direct sown crops, when the crop is 15 cm tall. Repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.
Spinach

Spinach: 4 l/ha at the 4 to 6 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Pumpkin

Pumpkin (Field Grown): 4 l/ha at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Squash

Squash (Field Grown): 4 l/ha at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Protected Crops

Protected Crops: 0.2 litres per 100 litres water maximum concentration. Water rate: 1000 l/ha maximum. Refer to equivalent field grown crop for application timing. N.B. Magflo 300 may leave a white deposit. Do not apply within one month of harvest.

Apples

Apple: 4 l/ha after petal fall. In cases of severe deficiency apply also before flowering (around pink bud stage). Water rate: 500-1,000 l/ha.
Cherries

Cherry: 4 l/ha at fruit set. If necessary a second application may be made 10 to 14 days later. Water rate: 200 to 500 l/ha.
Pears

Pears: 4 l/ha after petal fall. In cases of severe deficiency apply also before flowering (around pink bud stage). Water rate: 500 to 1,000 l/ha.

Plums

Plum: 4 l/ha at fruit set. If necessary a second application may be made 10 to 14 days later. Water rate: 200-500 l/ha.
Linseed

Linseed: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Brassica Vegetables

Brassicas: 4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 75 to 200 l/ha.
Broccoli

Broccoli: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Brussels sprouts

Brussels Sprouts: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Cabbage

Cabbage: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Calabrese

Calabrese: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Oilseed Rape

Oilseed Rape: For a single application, 2-4 l/ha at onset of stem extension. For moderate deficiency, 2-4 l/ha at 4-6 leaf stage and 2-4 l/ha at onset of stem extension. An extra application can be made 10-14 days later for severe deficiency. Water rate: 200 l/ha.
Kale

Kale: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Cauliflower

Cauliflower: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Cereals

Cereals: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.

Barley

Barley: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Maize

Maize: 2-4 l/ha at 4-6 leaf stage. Water rate: 200 l/ha.
Oats

Oats: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Rye

Rye: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Lily (field grown)

Lily (field grown): 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Wheat

Wheat: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Sunflower

Sunflower: 4 l/ha at 4 to 8 pairs of leaves. For moderate to severe deficiency repeat application 10 to 14 days later. Water rate: 200 l/ha.

Grass (grazing)

Grass (grazing): 5 l/ha applied 7 to 14 days before grazing. Water rate: 200 l/ha.

Grassland

Grass (grazing): 5 l/ha applied 7 to 14 days before grazing. Water rate: 200 l/ha.
Alfalfa / Lucerne

Lucerne: 4 l/ha applied 10 to 14 days after regrowth commences post-cutting (when there is enough regrowth to take a spray). Water rate: 200 l/ha.

Beans

Beans: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Amenity Grass

Grass (amenity): 5 to 10 l/ha as soon as growth commences in spring and /or following identification of need by analysis. Repeat sprays at 10 to 14 day intervals as necessary. Water rate: 200 l/ha.

Amenity Turf

Turf: 2-4 l/ha as soon as growth commences in the spring. In the case of moderate to severe deficiency, repeat applications at 14 day intervals. Water rate: 200 l/ha.

Grass (Growth)

Grass (growth): 2-4 l/ha as soon as growth commences in the spring. In the case of moderate to severe deficiency, repeat applications at 14 day intervals. Water rate: 200 l/ha.

Daffodil

Daffodil: 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Tulips

Tulip (field grown): 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Peas

Peas: 2-4 l/ha when crop is 15 cm tall. For moderate to severe deficiency repeat applications at 10-14 day intervals. Water rate: 200 l/ha.

Blueberries

Blueberries: 4 l/ha applied 10 days after petal fall has finished. Bushes being grown for a second cropping year should receive the fruiting year programme again. Water rate: 1000 l/ha.

Grapevines

Grapevines: 4 l/ha at flower buds visible, flower buds separated and fruit set. Water rate: 200-500 l/ha.
Strawberry

Strawberry (field grown): 4 l/ha at green bud. Water rate: 200-500 l/ha.
Raspberries

Raspberry: 4 l/ha at start of flowering and at 10 to 14 day intervals as necessary, up to 14 days before harvest. Water rate: 200 to 500 l/ha.
Blackcurrants

Blackcurrant: 4 l/ha at full flower and 4 l/ha at first fruit set. Water rate: 200 to 500 l/ha.

Beetroot

Red Beet: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Turnip

Turnip: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Carrots

Carrot: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Note: On carrots, final application to be made one month before harvest. Water rate: 200 l/ha.
Sugar Beet

Sugar Beet: 2-4 l/ha at 4-6 leaf stage, with repeat applications at the above rate at 10-14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Potatoes

Potatoes: 2-4 l/ha 1 week after 100% emergence and following petiole analysis during tuber bulking. For moderate to severe deficiency, repeat applications at 10-14 day intervals. Water rate: 200 l/ha.
Parsnip

Parsnip: 4 l/ha when crop is 15 cm tall. For moderate to severe deficiency, repeat applications at 10 to 14 day intervals. (3 applications maximum). Water rate: 200 l/ha.

Fodder Beet

Fodder Beet: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Swede

Swede: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Conifers

Conifers: 2-4 l/ha when there is new season leaf production and 2-4 l/ha in early autumn. Water rate: 500 to 1,000 l/ha.

Asparagus

Asparagus: Four to five applications of 2 to 4 l/ha during vegetative growth, with repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.
Leek

Leek: 2-4 l/ha 2 weeks after transplanting. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Lettuce

Lettuce (field grown): 2-4 l/ha 2 weeks after transplanting. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Note: Final application to be made at least one month before harvest. Water rate: 500 l/ha.
Onions

Onion: 2 to 4 l/ha two weeks after transplanting, or in the case of direct sown crops, when the crop is 15 cm tall. Repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.
Spinach

Spinach: 4 l/ha at the 4 to 6 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Pumpkin

Pumpkin (Field Grown): 4 l/ha at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Squash

Squash (Field Grown): 4 l/ha at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 200 l/ha.

Protected Crops

Protected Crops: 0.2 litres per 100 litres water maximum concentration. Water rate: 1000 l/ha maximum. Refer to equivalent field grown crop for application timing. N.B. Magflo 300 may leave a white deposit. Do not apply within one month of harvest.

Apples

Apple: 4 l/ha after petal fall. In cases of severe deficiency apply also before flowering (around pink bud stage). Water rate: 500-1,000 l/ha.
Cherries

Cherry: 4 l/ha at fruit set. If necessary a second application may be made 10 to 14 days later. Water rate: 200 to 500 l/ha.
Pears

Pears: 4 l/ha after petal fall. In cases of severe deficiency apply also before flowering (around pink bud stage). Water rate: 500 to 1,000 l/ha.

Plums

Plum: 4 l/ha at fruit set. If necessary a second application may be made 10 to 14 days later. Water rate: 200-500 l/ha.
Linseed

Linseed: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Brassica Vegetables

Brassicas: 4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 75 to 200 l/ha.
Broccoli

Broccoli: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Brussels sprouts

Brussels Sprouts: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Cabbage

Cabbage: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Calabrese

Calabrese: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Oilseed Rape

Oilseed Rape: For a single application, 2-4 l/ha at onset of stem extension. For moderate deficiency, 2-4 l/ha at 4-6 leaf stage and 2-4 l/ha at onset of stem extension. An extra application can be made 10-14 days later for severe deficiency. Water rate: 200 l/ha.
Kale

Kale: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.

Cauliflower

Cauliflower: 2-4 l/ha at 4 to 6 leaf stage, with repeat applications at the above rate at 10 to 14 day intervals for moderate to severe deficiency. Water rate: 200 l/ha.
Cereals

Cereals: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.

Barley

Barley: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Maize

Maize: 2-4 l/ha at 4-6 leaf stage. Water rate: 200 l/ha.
Oats

Oats: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Rye

Rye: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Lily (field grown)

Lily (field grown): 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Wheat

Wheat: 2-4 l/ha at 2 leaf stage to first node detectable (G.S. 12-31). For moderate to severe deficiency, repeat applications at 10-14 day intervals. 2 l/ha at flag leaf ligule just visible to anthesis complete (G.S. 39-69). Water rate: 200 l/ha.
Sunflower

Sunflower: 4 l/ha at 4 to 8 pairs of leaves. For moderate to severe deficiency repeat application 10 to 14 days later. Water rate: 200 l/ha.

Grass (grazing)

Grass (grazing): 5 l/ha applied 7 to 14 days before grazing. Water rate: 200 l/ha.

Grassland

Grass (grazing): 5 l/ha applied 7 to 14 days before grazing. Water rate: 200 l/ha.
Alfalfa / Lucerne

Lucerne: 4 l/ha applied 10 to 14 days after regrowth commences post-cutting (when there is enough regrowth to take a spray). Water rate: 200 l/ha.

Beans

Beans: 2-4 l/ha when crop 15 cm tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 200 l/ha.

Amenity Grass

Grass (amenity): 5 to 10 l/ha as soon as growth commences in spring and /or following identification of need by analysis. Repeat sprays at 10 to 14 day intervals as necessary. Water rate: 200 l/ha.

Amenity Turf

Turf: 2-4 l/ha as soon as growth commences in the spring. In the case of moderate to severe deficiency, repeat applications at 14 day intervals. Water rate: 200 l/ha.

Grass (Growth)

Grass (growth): 2-4 l/ha as soon as growth commences in the spring. In the case of moderate to severe deficiency, repeat applications at 14 day intervals. Water rate: 200 l/ha.

Daffodil

Daffodil: 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Tulips

Tulip (field grown): 4 l/ha. Repeat applications at 7 to 14 day intervals commencing when crop is 10 to 15 cm tall. Water rate: 200 l/ha. Do not apply to crops grown under glass or plastic. Do not apply to the crop in flower.

Peas

Peas: 2-4 l/ha when crop is 15 cm tall. For moderate to severe deficiency repeat applications at 10-14 day intervals. Water rate: 200 l/ha.

Related products

YaraVita Gramitrel
A flowable liquid fertiliser with a balanced combination of micronutrients including manganese, magnesium, copper and zinc for foliar application to cereals.
YaraVita Brassitrel Pro
A flowable liquid suspension fertiliser with a combination of micronutrients including manganese, magnesium, boron and molybdenum for foliar application to oilseed rape, brassicas and legumes.
YaraVita CropBoost
(formerly MAIZE BOOST) Same great product, new name. A liquid micronutrient fertiliser containing a high concentrations of phosphate together with zinc, magnesium and potash for foliar application to maize and other crops.
YaraVita Mantrac Pro
A flowable liquid micronutrient fertiliser containing 500 g/l of manganese for application as a foliar spray or seed treatment to a wide range of crops.
YaraVita Foliar Potash
A liquid foliar fertiliser containing 500 g/l potash for foliar application to provide additional potassium or correct potash deficiencies in a wide range of crops.
All YaraVita foliar fertilisers