Plant Propagation, Nutrition & Health

Plant nutrition is the study of the chemical elements and compounds necessary for plant growth, plant metabolism and their external supply. Each will show you an intro description and links to suppliers.

Cloning & Seed Starting

From complete propagation kits and accessories to the compounds and solutions you need for cloning, cuttings and seed starting, LA Hydro carries everything you need to do it effectively. Seedling heating mats, germination kits, propagation trays, rooting powders, rooting solutions and labeling kits all from the best names in the business including Super Sprouter, Botanicare, Clonex, Turbo Klone, Hormex, Vita Grow, Olivia’s Cloning, Dyna Grow, Humboldt Roots, Dip ‘N Grow and others. Get your seeds or cuttings started for indoor gardening, hydroponic gardening and aquaponic gardening with the broad selection of cloning and seed starting supplies.

Click on the links below to browes our suppliers product listings. Email us your wishlist for quote. 

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Nutrients & Supplements
Pest & Disease Control
Leaf Shines & Washes

Plant Nutrients (Wikipedia):

In 1972, E. Epstein defined two criteria for an element to be essential for plant growth:

• in its absence the plant is unable to complete a normal life cycle.
• or that the element is part of some essential plant constituent or metabolite.

This is in accordance with Justus von Liebig's law of the minimum. The essential plant nutrients include carbon and oxygen which are absorbed from the air, whereas other nutrients including hydrogen are typically obtained from the soil (exceptions include some parasitic or carnivorous plants).

Plants must obtain the following mineral nutrients from their growing medium:

• the macronutrients: nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), sulfur (S), magnesium (Mg); and
• the micronutrients (or trace minerals): boron (B), chlorine (Cl), manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni).

The macronutrients are consumed in larger quantities and are usually present in plant tissue in concentrations of between 0.2% and 4.0% (on a dry matter weight basis). Micronutrients are present in plant tissue in quantities measured in parts per million, ranging from 0.1 to 200 ppm, or less than 0.02% dry weight.

Most soil conditions across the world can provide plants adapted to that climate and soil with sufficient nutrition for a complete life cycle, without the addition of nutrients as fertilizer. However, if the soil is cropped it is necessary to artificially modify soil fertility through the addition of fertilizer to promote vigorous growth and increase or sustain yield. This is done because, even with adequate water and light, nutrient deficiency can limit growth and crop yield.

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