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  • B- Growing shoots turn grey or die. Growing shoots appear burnt. Treat with one teaspoon of Boric acid (sold as eyewash) per gallon of water.

    Mb- Yellowing of middle leaves. Foliar feed with chemical fertilizer containing Mb.

    Zn- White areas form at leaf tips and between veins. Occurs in alkaline soils. Zn deficiency can be treated by burying galvanized nails in the soil. Chemical fertilizer containing Zn can also be used.

    Over Fertilization – Causes leaf tips to appear yellow or burnt. To correct soil should be flushed with three gallons of water per one gallon of soil.
    Ca- Lack of calcium in the soil results in the soil becoming to acidic. This leads to Mg or Fe deficiency or very slow stunted growth. Treat by foliar feeding with one teaspoon of dolomatic lime per quart of water until condition improves

    S- Plants suffering from S deficiencies exhibit yellowing of new growth. Mix one tablespoon of Epsom salts per gallon of water until condition improves.

    Mg- Lower leaves yellow and may even turn white while veins remain dark green. Blades die and curl upward

    Fe- Leaves on growing shoots turn pale and veins remain dark green. pH imbalances make iron immobile. Foliar feed with chemical fertilizer contain Fe or rusty water.

    Mn- Necrotic and yellow spots form on top leaves. Mn deficiency occurs when large amounts of Mg are present in the soil. Foliar feed with any chemical fertilizer containing Mn.
    very useful post found by sqweels in OMM old journal

    Nutrient Deficiency Symptoms

    N- Pale plants, red stems, smaller growth. Rapid yellowing of lower leaves progressing up the plant. Add any chemical fertilizer containing N. Treated plants recover in about a week

    P- Slow or stunted growth, red stems. Smaller leaves that are dark green. Lower leaves yellow and die. Add chemical fertilizer containing P. Affected leaves will not show recovery but new growth will appear normal.

    K- Affected plants are usually tallest and appear to be most vigorous. Necrotic spots form on lower leaves. Red Stems. Leaves appear pale of yellow. Add chemical fertilizer containing K.
    wish i could grow outside like it used to be. plants look really good. Stop by DocBud's Grass roots hi brix, We are new to ideas of feeding the soil and not the plant. It a new way to help grow the best, and when the plants are happy they provide their pest control. Its much more detailed and esay to follow, you'll understand it better the more you take part. You can start at any level... rep+ sent
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