Commercial fish fertilizer isn't fish oil at all; it's called fish emulsion and is a mild, liquid fertilizer made from fish byproducts and waste that provide nitrogen, enzymes and other essential nutrients for plant growth. The chocolate-brown liquid emits a strong odor, but it strongly benefits both tomato (Solanum lycopersicum) seedlings and transplants. When fertilizer is applied to a tomato plant at the right time with the correct ratio of liquid concentrate to water, growers can achieve greater yields and better-tasting fruit.
Fish oil fertilizer, also called fish emulsion, has been used for centuries to promote vegetable growth. Many native Americans placed fish remains in the trenches used to plant maize.
Tomato transplants
One technique that is used during the transplanting process is to first flood a planting hole with the diluted fish fertilizer solution; then, the tomato plant's root ball is inserted and covered with soil. This technique assures that young and vulnerable roots receive immediate moisture and nutrients. Fish emulsion can be applied right after transplanting as well by using a watering can at ground level around the base of the plant. The liquid should not be splashed on the foliage.
Starting from seeds
Most fish emulsion recipes call for 1 to 3 tablespoons of concentrated liquid fertilizer diluted in 1 gallon of water. However, when you are caring for delicate seedlings, the solution should be diluted even more. Too much concentrated fertilizer might "burn" or kill a young plant. When high levels of fertilizer are applied, concentrated salts damage roots leading to decreased water intake.
Choosing the right fertilizer
A consistent supply of nitrogen helps tomatoes maintain healthy, green leaves. Yellowed leaves often indicate nitrogen deficiency. Fish emulsion contains high levels of nitrogen. The trace minerals and additional nutrients vary from brand to brand. Growers with an organic philosophy might steer toward products made from wild-caught ocean fish rather than farm-raised fish. Others might see geography as a selling point, preferring brands that boast North Atlantic or Alaskan fish ingredients.
Application
Fish emulsion should be applied in cool weather, preferably in the early morning or evening. Avoid applying it in the midday heat or to any heat-stressed plants. If fertilizer is applied at the wrong time -- or if too much of the concentrate is applied at once -- it might prevent tomato plants from forming fruit. A sure sign of too much nitrogen fertilizer in tomato plants is lush and healthy plants with few flowers and fruit.
Actions
Fish emulsion works by delivering needed nutrients that encourage vine and fruit growth. It is an excellent source of nitrogen, and a good source of phosphorus. Fish emulsion increases yield and thwarts disease.
Mixing
Commercial brands of fish emulsion are available in concentrated form. Mix with distilled or rainwater: 1 tbsp. of emulsion per gallon of water.
Root delivery
When you first transfer tomato plants to the garden, add diluted fish emulsion to the first watering at the roots to strengthen the plant.
Foliar delivery
Spray diluted fish oil fertilizer on tomato plant leaves to help the plant absorb the nitrogen quickly. Spraying the blossoms also may increase fruit yield.
Fish oil fertilizer, also called fish emulsion, has been used for centuries to promote vegetable growth. Many native Americans placed fish remains in the trenches used to plant maize.
Tomato transplants
One technique that is used during the transplanting process is to first flood a planting hole with the diluted fish fertilizer solution; then, the tomato plant's root ball is inserted and covered with soil. This technique assures that young and vulnerable roots receive immediate moisture and nutrients. Fish emulsion can be applied right after transplanting as well by using a watering can at ground level around the base of the plant. The liquid should not be splashed on the foliage.
Starting from seeds
Most fish emulsion recipes call for 1 to 3 tablespoons of concentrated liquid fertilizer diluted in 1 gallon of water. However, when you are caring for delicate seedlings, the solution should be diluted even more. Too much concentrated fertilizer might "burn" or kill a young plant. When high levels of fertilizer are applied, concentrated salts damage roots leading to decreased water intake.
Choosing the right fertilizer
A consistent supply of nitrogen helps tomatoes maintain healthy, green leaves. Yellowed leaves often indicate nitrogen deficiency. Fish emulsion contains high levels of nitrogen. The trace minerals and additional nutrients vary from brand to brand. Growers with an organic philosophy might steer toward products made from wild-caught ocean fish rather than farm-raised fish. Others might see geography as a selling point, preferring brands that boast North Atlantic or Alaskan fish ingredients.
Application
Fish emulsion should be applied in cool weather, preferably in the early morning or evening. Avoid applying it in the midday heat or to any heat-stressed plants. If fertilizer is applied at the wrong time -- or if too much of the concentrate is applied at once -- it might prevent tomato plants from forming fruit. A sure sign of too much nitrogen fertilizer in tomato plants is lush and healthy plants with few flowers and fruit.
Actions
Fish emulsion works by delivering needed nutrients that encourage vine and fruit growth. It is an excellent source of nitrogen, and a good source of phosphorus. Fish emulsion increases yield and thwarts disease.
Mixing
Commercial brands of fish emulsion are available in concentrated form. Mix with distilled or rainwater: 1 tbsp. of emulsion per gallon of water.
Root delivery
When you first transfer tomato plants to the garden, add diluted fish emulsion to the first watering at the roots to strengthen the plant.
Foliar delivery
Spray diluted fish oil fertilizer on tomato plant leaves to help the plant absorb the nitrogen quickly. Spraying the blossoms also may increase fruit yield.
Experiment
Test how fish emulsion works by spraying half your tomato plants with the fertilizer, while leaving half untreated. Compare the number and size of the fruits, as well as health of the plants.
Test how fish emulsion works by spraying half your tomato plants with the fertilizer, while leaving half untreated. Compare the number and size of the fruits, as well as health of the plants.
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