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2. Environmental impact of cannabis cultivation - Wikipedia

   en.wikipedia.org/wiki/Environmental_impact_of...

   There is a trend towards an increase in the number of cultivators who are using sustainable methods for growing cannabis. To improve the soil, they mainly use: special AACT inoculations, growing companion crops, and even grazing goats, which loosen and aerate the soil with their hooves, and their droppings are used as a natural fertilizer. [12]

3. Have you tested your garden soil? Here's what you should know

   www.aol.com/tested-garden-soil-heres-know...

   By testing soils, we can determine which plants will grow best in a particular location. Soil testing can also be a useful tool to diagnose plant health problems when insect, disease and other ...

4. Plant tissue test - Wikipedia

   en.wikipedia.org/wiki/Plant_tissue_test

   Any laboratory test (soil or tissue test) performed by a commercial company will cost the grower a fee. Laboratory tests take at least a week to complete, usually 2 weeks. It takes time to dry the samples, send them to the lab, complete the lab-tests, and then return the results to the grower.

5. Plant nutrients in soil - Wikipedia

   en.wikipedia.org/wiki/Plant_nutrients_in_soil

   Nutrients in the soil are taken up by the plant through its roots, and in particular its root hairs.To be taken up by a plant, a nutrient element must be located near the root surface; however, the supply of nutrients in contact with the root is rapidly depleted within a distance of ca. 2 mm. [14] There are three basic mechanisms whereby nutrient ions dissolved in the soil solution are brought ...

6. Winogradsky column - Wikipedia

   en.wikipedia.org/wiki/Winogradsky_column

   Of specific interest are the red regions of the middle column, indicative of purple non-sulfur bacteria (e.g. Rhodospirillaceae). Also, in column three, the red growth along the side of the column: a purple sulfur bacterium, Chromatium. The Winogradsky column is a simple device for culturing a large diversity of microorganisms.

7. Base-cation saturation ratio - Wikipedia

   en.wikipedia.org/wiki/Base-cation_saturation_ratio

   Base-cation saturation ratio (BCSR) is a method of interpreting soil test results that is widely used in sustainable agriculture, supported by the National Sustainable Agriculture Information Service (ATTRA) [1] and claimed to be successfully in use on over a million acres (4,000 km 2) of farmland worldwide.

8. How to legally grow marijuana at home in NY: Key rules you ...

   www.aol.com/legally-grow-marijuana-home-ny...

   What is prohibited for home-grow marijuana? Cannabis plants must be kept in a secure place and not accessible to any person under 21. It is also illegal to make cannabis hash oil or concentrates ...

9. Soil test - Wikipedia

   en.wikipedia.org/wiki/Soil_test

   A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.