If a cannabis plant is affected by a calcium deficiency for too long, it may begin to show the following symptoms due to the lack of calcium. 1  Stems become weak or flimsy and may crack easily. 2  Stems become hollow or show inner signs of decay. 3  Plant does not stand up well to heat.otanicare Cal-Mag Plus is a calcium, magnesium, and iron plant nutrient supplement. General application is to mix 1 tsp (5ml) of Cal-Mag into each gallon of water. I have used Cal-Mag Plus several times with great results.
The law of Ukraine On alternative sources of energy refers to alternative energy sources: solar, wind, geothermal, hydrothermal, marine and hydrokinetic energy, hydroelectricity, biomass, landfill biogas and others.
Alternative sources of energy like solar energy, wind energy, tidal energy, energy from biomas (biogas), etc., can be used on a large scale to substitute the fossil fuels. Use of solar cookers and biogas for cooking must be encouraged. New materials are being developed to substitute non-renewable resources. For example, plastics are now used to make products that once could be made only out of steel. The use of atomic energy can lessen our dependence on coal and oil. 3. Recycling resources: All types of metal wastes, glass and paper and plastic can be recycled and used again.