YaraVita® MAGPHOS™
The liquid formulation makes it easy to measure, pour and mix the product in the spray tank.
The purity of raw materials selected for this product makes it safe for application to the crop and helps ensure that the harvested produce will not be rejected at any point in the supply chain.
A broad tank mixability makes it easy to co-apply the products with agrochemicals, saving both time and money. Just as important, free access to Tankmix information online or via smartphones makes it quick and easy to check whether products can be co-applied.
Alfalfa: 2 quarts/acre when sufficient leaf cover to intercept spray. Then 2 quarts/acre one week after every cutting. Water rate: 20 gallons/acre.
Apricots: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Artichoke: 1 to 2 quarts/acre applied from the 4 to 6 leaf stage onwards. Repeat applications may be necessary at 10 to 14 day intervals. Water rate: 50 gallons/acre
Avocado: 2 quarts/acre applied during spring flush and again during summer flush. Water rate: 50 to 100 gallons/acre.
Barley: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Beans: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Blueberries: 1-2 quarts/acre 7-10 days after petal fall has finished. Repeat in 10-14 day intervals through berry softening and color break Water rate: 100 gallons/acre
Broccoli: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Brussels Sprouts: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Cabbage: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Calabrese: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Carrots: 1-2 quarts/acre when crop is 6 inches tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 20 gallons/acre
Cauliflower: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre
Celery: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat 10 to 14 days later if necessary. Water rate: 20 gallons/acre.
Cereals: 1-2 quarts/acre at tillering. Repeat at 10 to 14 day intervals if necessary. Also apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Cherries: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Chick peas: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Zucchini/Courgette (field grown): 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat at 10 to 14 day intervals. Water rate: 20 to 50 gallons/acre.
Cranberries: 1-2 quarts/acre applied at full fruit set, with repeat applications at 14 day intervals. Water rate: 50 gallons acre.
Cucumber (field grown): 1-2 quarts per acre at 4 to 6 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20-50 gallons per acre .
Cucurbits (field grown): 1-2 quarts/acre at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20 to 50 gallons/acre.
Garlic: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Ginseng: 2 quarts/acre applied once the new season growth is well underway. Repeat applications at 10 to 14 day intervals may be necessary for moderate to severe deficiency. Water rate: 50 gallons/acre
Grapes (table): 2 to 5 applications of 1-2 quarts/acre at 10-14 day intervals beginning at early shoot growth, flower buds separated and stretching, after berry set, berry size and early veraison before harvest. Water rate: minimum 20 gallons/acre.
Grapes (wine): 2 to 5 applications of 1-2 quarts/acre at 10-14 day intervals beginning at early shoot growth, flower buds separated and stretching, after berry set, berry size and early veraison before harvest. Water rate: minimum 20 gallons/acre.
Turf: 1.5 fl.oz./1000 sq.ft. as soon as growth commences in spring. Repeat sprays at 10 to 14 day intervals as necessary. Water rate: 0.5 gallons/1000 sq.ft.
Groundnuts/Peanuts: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat as necessary at 10 to 14 day intervals. Water rate: 3 to 20 gallons/acre.
Hazelnuts: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Hops: 4 applications of 4 quarts/acre commencing when crop starts to burr, with subsequent applications at 14 day intervals. Water rate: 50 gallons/acre.
Leek: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre
Legumes / pulses: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Lemon: 1-2 quarts/acre applied at 10 to 14 day intervals following fruit set. Water rate: 50 to 150 gallons/acre.
Nectarines: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Nursery/Ornamentals: 2 gallons in 100 gallons water (1.875% v/v) as soon as there is sufficient leaf area to intercept a spray. Repeat at 10 to 14 day intervals as necessary. Avoid applications during flowering. Spray a maximum of three applications per crop per annum. Maximum water rate: 20 gallons/acre
Nuts (deciduous): Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Oats: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Canola: For a single application, 1-2 quarts/acre at onset of stem extension. For moderate deficiency, 1-2 quarts/acre at 4 to 6 leaf stage and at onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Avoid flowering. Water rate: 3 to 20 gallons/acre.
Olive: Two applications of 2 to 4 quarts per acre. Apply before flowering and again 10 to 14 days after flowering. Water rate: 20 to 100 gallons per acre.
Oranges: 1-2 quarts/acre applied at 10 to 14 day intervals following fruit set. Water rate: 50 to 150 gallons/acre.
Peaches: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Pears: 4 to 6 applications of 1-2 quarts/acre from end of flowering. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Peas: 1 to 2 applications of 1-2 quarts/acre when the crop is 4 to 6" tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Peppers (field grown): 1 pint in 45 gallons before transplanting. Repeat applications in 10-14 day intervals at 1-2 Quarts per acre. Water rate: 100 gallons/acre maximum
Pistachios: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Plums: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Pumpkin: 1-2 quarts/acre at start of flowering. Repeat at 10 to 14 day intervals if necessary. Water rate: 50 gallons/acre.
Rye: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Shallot: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Sorghum/Milo: 1-2 quarts/acre at 4 to 8 leaf stage. Repeat at 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Spinach: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat applications every 10-14 day interval as required. Water rate: 20 gallons/acre
Squash (field grown): 1-2 quarts/acre at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20 to 50 gallons/acre.
Sugar Beets: 1-2 quarts/acre at the 4 to 6 leaf stage. For moderate to severe deficiency, repeat at 10 to 14 day intervals. Water rate: 5 to 20 gallons/acre.
Sunflower: Apply 2 qts/acre at the 2 to 6 leaf stage. Repeat if necessary 10 days later. Water rate: 5 to 20 gallons/acre.
Sweet Potato: Apply 1-2 quarts/acre 7-21 days after emergence. Repeat applications during tuber initiation and tuber bulking at 14 to 21 day intervals. Water rate: 20 gallons/acre.
Tobacco: Two applications of 1-2 quarts/acre two to three weeks after transplanting (3 to 4 leaf stage) with 10 days between applications. Water rate: 3 to 50 gallons/acre.
Walnuts: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Water Melons (field grown): 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat at 10 to 14 day intervals. Water rate: 20 to 50 gallons/acre.
Wheat: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Alfalfa: 2 quarts/acre when sufficient leaf cover to intercept spray. Then 2 quarts/acre one week after every cutting. Water rate: 20 gallons/acre.
Apricots: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Artichoke: 1 to 2 quarts/acre applied from the 4 to 6 leaf stage onwards. Repeat applications may be necessary at 10 to 14 day intervals. Water rate: 50 gallons/acre
Avocado: 2 quarts/acre applied during spring flush and again during summer flush. Water rate: 50 to 100 gallons/acre.
Barley: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Beans: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Blueberries: 1-2 quarts/acre 7-10 days after petal fall has finished. Repeat in 10-14 day intervals through berry softening and color break Water rate: 100 gallons/acre
Broccoli: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Brussels Sprouts: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Cabbage: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Calabrese: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre.
Carrots: 1-2 quarts/acre when crop is 6 inches tall. For moderate to severe deficiency repeat applications at 10 to 14 day intervals. Water rate: 20 gallons/acre
Cauliflower: 1-2 quarts/acre applied soon after transplanting. Repeat 2-3 times in 10-14 day intervals during stem extension and head development. Water rate: 7.5 to 20 gallons/acre
Celery: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat 10 to 14 days later if necessary. Water rate: 20 gallons/acre.
Cereals: 1-2 quarts/acre at tillering. Repeat at 10 to 14 day intervals if necessary. Also apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Cherries: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Chick peas: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Zucchini/Courgette (field grown): 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat at 10 to 14 day intervals. Water rate: 20 to 50 gallons/acre.
Cranberries: 1-2 quarts/acre applied at full fruit set, with repeat applications at 14 day intervals. Water rate: 50 gallons acre.
Cucumber (field grown): 1-2 quarts per acre at 4 to 6 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20-50 gallons per acre .
Cucurbits (field grown): 1-2 quarts/acre at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20 to 50 gallons/acre.
Garlic: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Ginseng: 2 quarts/acre applied once the new season growth is well underway. Repeat applications at 10 to 14 day intervals may be necessary for moderate to severe deficiency. Water rate: 50 gallons/acre
Grapes (table): 2 to 5 applications of 1-2 quarts/acre at 10-14 day intervals beginning at early shoot growth, flower buds separated and stretching, after berry set, berry size and early veraison before harvest. Water rate: minimum 20 gallons/acre.
Grapes (wine): 2 to 5 applications of 1-2 quarts/acre at 10-14 day intervals beginning at early shoot growth, flower buds separated and stretching, after berry set, berry size and early veraison before harvest. Water rate: minimum 20 gallons/acre.
Turf: 1.5 fl.oz./1000 sq.ft. as soon as growth commences in spring. Repeat sprays at 10 to 14 day intervals as necessary. Water rate: 0.5 gallons/1000 sq.ft.
Groundnuts/Peanuts: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat as necessary at 10 to 14 day intervals. Water rate: 3 to 20 gallons/acre.
Hazelnuts: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Hops: 4 applications of 4 quarts/acre commencing when crop starts to burr, with subsequent applications at 14 day intervals. Water rate: 50 gallons/acre.
Leek: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre
Legumes / pulses: 1 to 2 applications of 2 quarts/acre when the crop is 4 to 6 inches tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Lemon: 1-2 quarts/acre applied at 10 to 14 day intervals following fruit set. Water rate: 50 to 150 gallons/acre.
Nectarines: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Nursery/Ornamentals: 2 gallons in 100 gallons water (1.875% v/v) as soon as there is sufficient leaf area to intercept a spray. Repeat at 10 to 14 day intervals as necessary. Avoid applications during flowering. Spray a maximum of three applications per crop per annum. Maximum water rate: 20 gallons/acre
Nuts (deciduous): Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Oats: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Canola: For a single application, 1-2 quarts/acre at onset of stem extension. For moderate deficiency, 1-2 quarts/acre at 4 to 6 leaf stage and at onset of stem extension. An extra application can be made 10 to 14 days later for severe deficiency. Avoid flowering. Water rate: 3 to 20 gallons/acre.
Olive: Two applications of 2 to 4 quarts per acre. Apply before flowering and again 10 to 14 days after flowering. Water rate: 20 to 100 gallons per acre.
Oranges: 1-2 quarts/acre applied at 10 to 14 day intervals following fruit set. Water rate: 50 to 150 gallons/acre.
Peaches: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Pears: 4 to 6 applications of 1-2 quarts/acre from end of flowering. Repeat applications at 10 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Peas: 1 to 2 applications of 1-2 quarts/acre when the crop is 4 to 6" tall. Allow 10 to 14 days between applications. Water rate: 3 to 20 gallons/acre.
Peppers (field grown): 1 pint in 45 gallons before transplanting. Repeat applications in 10-14 day intervals at 1-2 Quarts per acre. Water rate: 100 gallons/acre maximum
Pistachios: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Plums: 2 to 5 applications of 1-2 quarts/acre from petal fall. Repeat applications at 7 to 14 day intervals. Water rate: 50 to 100 gallons/acre.
Pumpkin: 1-2 quarts/acre at start of flowering. Repeat at 10 to 14 day intervals if necessary. Water rate: 50 gallons/acre.
Rye: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
Shallot: 1-2 quarts/acre. Apply when the foliage is 6" tall, with repeat applications 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Sorghum/Milo: 1-2 quarts/acre at 4 to 8 leaf stage. Repeat at 10 to 14 day intervals if necessary. Water rate: 3 to 20 gallons/acre.
Spinach: 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat applications every 10-14 day interval as required. Water rate: 20 gallons/acre
Squash (field grown): 1-2 quarts/acre at 4 leaf stage. Repeat if necessary 10 to 14 days later. Water rate: 20 to 50 gallons/acre.
Sugar Beets: 1-2 quarts/acre at the 4 to 6 leaf stage. For moderate to severe deficiency, repeat at 10 to 14 day intervals. Water rate: 5 to 20 gallons/acre.
Sunflower: Apply 2 qts/acre at the 2 to 6 leaf stage. Repeat if necessary 10 days later. Water rate: 5 to 20 gallons/acre.
Sweet Potato: Apply 1-2 quarts/acre 7-21 days after emergence. Repeat applications during tuber initiation and tuber bulking at 14 to 21 day intervals. Water rate: 20 gallons/acre.
Tobacco: Two applications of 1-2 quarts/acre two to three weeks after transplanting (3 to 4 leaf stage) with 10 days between applications. Water rate: 3 to 50 gallons/acre.
Walnuts: Two to three applications of 1-2 quarts per acre beginning at petal fall. The repeat applications should be made at 7 to 14 day intervals through hull split. Water rate: 50 to 100 gallons per acre.
Water Melons (field grown): 1-2 quarts/acre at the 4 to 6 leaf stage. Repeat at 10 to 14 day intervals. Water rate: 20 to 50 gallons/acre.
Wheat: 1 to 2 quarts/acre from the 2 leaf stage to 1st node detectable, (Zadok's G.S. 12 to 31). Repeat at 10 to 14 day intervals if necessary within this time-frame, up to a maximum of three applications. Also, apply from ear emergence until the end of flowering (Zadok's G.S. 51 to 69). Water rate: 5 to 20 gallons/acre.
