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Based on grower observations and initial experiments at NCSU, it is possible to grow cannabis with a wider soilless substrate pH range than most other species. Cannabis plants do not appear prone to develop leaf symptomology when substrate pH is too low or too high compared to the current general greenhouse standards—only plant stunting occurs at sub-optimal conditions.
When the substrate pH becomes too high, many species develop interveinal chlorosis (yellowing) on the youngest leaves. This is a common situation that occurs with many greenhouse-grown species (such as petunias) when the elevated pH makes micronutrients, such as Fe, unavailable to the plant, even if adequate levels are provided in the fertilizer.
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With cheaper, more powerful technology, opportunities are opening up to improve crops around the world. Dr. Hickey’s team plans to train plant breeders in India, Zimbabwe and Mali over the next couple years through a collaboration with the International Crops Research Institute for the Semi-Arid Tropics and grants from the Bill and Melinda Gates Foundation.
However, given the federal history with respect to cannabis, it is difficult to anticipate that federal agencies might play a rational role in regulating this industry without clear congressional leadership. Our best hope remains in Democratic leadership from the House that would make an offer to the Senate to place cannabinoids under state control. The FDA’s role in controlling explicit pharmaceutical claims might then be negotiated. Only then might we emerge from the federal quagmire regarding basic legality like the beverage alcohol industry did in 1933, which, in our opinion, would be OK.
Studies growing lettuce under LEDs have demonstrated that growth and nutritional values can be enhanced in indoor plant production facilities[4].
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"You’re going to have to keep your mouth shut, legal or not," Crescibene said. "You don’t go around advertising it."
“When it comes to urban farming we are seeing the development of both mega urban farms, with large buildings and a large footprint, as well as strong growth in much smaller farms too. These farms look to support local grocery stores and restaurants, for example. It’s hard to say which is gaining the most traction, but both are growing.”
The global Agricultural Plant Growth Led Lights market competitive scenario and participants detailed profiles
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