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Sea Agri Usage Instructions

Drip Irrigation

Drip Irrigation Application Instructions

SEA-90 is water soluble and therefore applicable to all drip irrigation systems. Our customers successfully apply SEA-90 utilizing drip irrigation on tomatoes, strawberries, blueberries and almonds. Rutgers University is currently in the second year of research trials applying SEA-90 to tomatoes through drip irrigation. The amount of SEA-90 applied is variable due to the following factors:

  • Tomatoes, Strawberries & Row Crops
    Number of lineal bed feet (LBF) per acre
  • Grapes, Blueberries, Fruit & Nut Trees
    Number of bushes or trees per acre

In a row crop raised bed system where rotation is practiced annually, 115 kg SEA-90 can be applied during the growing season. With grapes, berries, fruit and nut trees, 45 kgs per acre can be applied annually. SeaAgri recommends annual soil testing and when Na exceeds 30 ppm, the recommended application rates should be reduced by 50 percent.

SeaAgri also recommends foliar applications of SEA-90 in addition to drip irrigation.

Two excellent publications for growers interested in applying SEA-90 through drip irrigation are available:

Calculating Fertilizer Rates for Drip Irrigation (PDF)
Fertilizer Application for Drip Irrigated Vegetables (PDF)


Application Instructions Metric (PDF)

Additional Instructions

For Drip Irrigation applications, we recommend using the following methods combined.

  1. Drip Irrigation
  2. Foliar Spray pre-harvest

Foliar Spray

SEA-90 minerals and trace elements can be used alone and/or mixed with most water-soluble fertilizers. It can be added to any foliar spraying program as a mineral and trace element source. SEA-90 is a natural surfactant. By adding it to your foliar spray, it will assist in spreading and absorption of the minerals and trace elements. To increase effectiveness, add fish emulsion as a nitrogen source, humate (per manufacturer recommendations), and one half pound cane sugar per acre. SEA-90 might contain small amounts of sediment. Therefore, prior to adding dissolved SEA-90 to the spray tank, we suggest mixing the desired amount with water to allow sediment to settle and filter if necessary.

Foliar Feed for all Vegetable Crops

  • General:
    Mix 0.5 to 2.25 kg SEA-90 per 40-80 liters water until completely dissolved. Filter if necessary. Avoid over spraying at end of the row as this may cause tip burn!
  • Gardeners:
    Mix one teaspoon SEA-90 per liters and apply until runoff every 7-14 days.
  • Farmers:
    Apply 1 kg dissolved in 80 liters of water per acre every 7 days; 9 kg per acre per season.
  • Row Crops:
    1.5 kg per Acre. 6 times during the growing season. Apply every 14 days. 10 kg total per year.
  • Liquid Row Support:
    2.5 kg per acre. Add to the current mix at the time of planting.
  • Continuous Pasture Grasses, Hay, Alfalfa, Etc.
    Apply 2.25 kg dissolved in 80 liters of water per acre at the greening-up stage and after each cutting or rotation of cattle; 9 kg per season.
  • Small Fruits & Trees Fruits:
    1 kg per Acre. 8 times during the growing season. 8 kg per acre per year

Additional Instructions

For Foliar Spray applications, we recommend using the following methods combined.

  1. Foliar Spray pre-harvest
  2. Granular Broadcast pre-planting OR Drip Irrigation

Granular Broadcast

Suggested Broadcast applications:

  • Continuous Pasture:
    20 kg SEA-90 per acre
    Apply to surface late Autumn or early Spring
  • Row Crops:
    20 kg SEA-90 per acre
    Till into soil or apply to surface late Autumn or early Spring
  • Row Support Fertigation:
    Incorporate 3 kg per acre into the current mix
  • Small Fruits & Fruit Trees:
    20 kg SEA-90 per acre
    Spread on the soil surface during Spring
  • Home & Community Garden Instructions:
    All Garden Soils
    0.5 kg  SEA-90 per 30 square meters annually for four years. No further application for three years.
  • Small & Tree Fruits, Vines & Nuts:
    0.5 kg  pounds SEA-90 per 30 square meters annually during Spring or Autumn for four years. No further application for three years.

Recommended spreaders (PDF) for broadcasting SEA-90.
Winter Wheat Experiment (PDF)

Application Instructions (PDF)
Application Instructions Metric (PDF)

Livestock Feed

SEA-90 minerals and trace elements can replace any salt or mineral salt you are currently offering your livestock and poultry. It supplies the basic mineral package included in custom-blended products plus additional minerals and trace elements present in seawater (85 have been currently identified). If you are purchasing a blended feed or mineral product that contains salt, ask your producer to either eliminate the salt from the mix or add SEA-90 Essential Elements in its place. Many of our customers eliminated supplemental mineral and mineral mixes from their mineral programs after offering SEA-90 Essential Elements. Once incorporated into their mineral program, most customers observed positive changes within three to four weeks.

SEA-90 Essential Elements is OMRI™ listed for the production of organic food, fiber (Certificate) and all livestock (Certificate) and is pollution-free (heavy metal analysis / SEA-90 Herbicide & Pesticide Test).

  • Dairy Cows and Cattle:
    Mix 60g SEA-90 Essential Elements in feed ration twice per day and offer free choice.
  • Cattle:
    Mix 30g SEA-90 Essential Elements per day in feed ration daily and/or offer free choice. Mature cows will ingest 30g or less per day when only offered SEA-90 Essential Elements, free choice.
  • Sheep and Goats:
    Mix 15g SEA-90 Essential Elements in feed ration daily and offer free choice. When mixing with other mineral add 7kg SEA-90 Essential Elements to 50kg of regular mineral supplement.
  • Hogs and other non-ruminant livestock including Horses:
    Mix 15g SEA-90 Essential Elements per day in feed ration and offer free choice. For large quantities mix 6kg per 1000kg feed.
  • Poultry:
    Mix 5kg SEA-90 Essential Elements per 1000kg feed. In water as a mineral supplement, mix 15g per 4 liters of water for the stock solution and inject it into daily water at a ratio of 1:128. For free-range birds, scatter small amounts on the ground as you would feed and allow chickens to eat free choice.
  • Turkeys:
    Add 8kg SEA-90 Essential Elements per ton of feed and/or offer free choice.
  • As a Natural Wormer:
    Mix 3kg of SEA-90 Essential Elements with 0.5kg of diatomaceous earth and bind together with a small amount of raw apple cider vinegar.

SEA-90 Essential Elements can also be dissolved in livestock drinking water. Dissolve 0.7kg per 1100 liters water once every week.

Application Instructions (PDF)
Application Instructions Metric (PDF)

Additional Instructions

For livestock application, we recommend using the following methods combined.

  1. Livestock Direct Feed
  2. Broad Acre Application for Farm Grown Livestock Feed
  3. Foliar Spray for Farm Grown Livestock Feed

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