The preliminary results of NCSU’s research imply that vegetative stock plants of cannabis have a wide substrate pH range in which the plants will optimally grow. That range appears to be as wide as pH 5.0 to 7.0. Based on experience with other species, a narrower range of 5.5 to 6.5 may be more appropriate to target, as this will allow growers to more easily adjust as pH approaches the ends of the targeted range.
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I’m lucky to have a green thumb. Give me some seed or a cutting or just about anything and I can grow it. This was probably caused from my growing up on a Biodynamic farm belonging to my family in New Jersey. However, most people have black thumbs. They plant something in the earth and it just shrivels and dies no matter what they do. They can’t understand why the plant died, it just stopped being happy, then it turned to brown and said, without much fanfare, good-bye.
Aquaponics does have one attribute that other systems can’t boast, though, and that is public interest. The reason: Fish move, plants don’t. The fish tanks can have little viewing windows and people can even feed the fish. It makes for visually exciting and interactive tours while the science and environmentalism makes a fascinating lesson. I can imagine a clever entrepreneur could combine quality cannabis cultivars, gourmet seafood dining and technology tours into a thriving agritourism destination.
Most macronutrients are sold in a two-part liquid to prevent certain elements from precipitating (combining into an inert solid that is unusable by the plant), meaning you’ll need to purchase two bottles (part A and part B) for veg, and two bottles for grow, as well as a bottle of micronutrients. Other than these basics, the only other nutrient product you may need to purchase is a Cal/Mag supplement, as some strains require more calcium and magnesium than others.
A third style is the Tower Garden, which is comprised of vertical plastic columns of roughly 12 inches in diameter—with planting holes distributed evenly—attached to a 20-gallon reservoir with a pump. Via a submerged pump in the bottom of the reservoir, nutrient solution is sent upward through the center of the column, where it drips down through a series of sieves that distribute the droplets effectively to the roots of all the plants along the column perimeter.
“The plants are just taking in what they need,” Hookway said. “When you irrigate fields, you’re watering everything. We’re just giving the plants the water they need.”
Wanjun Gao=WG: I originally came from China; however, I have been living in Florida for the most of my adult life. BiFarm’s activities of research, design, development, and user experience trial are conducted here in the United States. While exploring the sourcing partners around world, we currently work with our suppliers and manufacturers in China for prototyping and initial production for AeroXPS.
“It’s a very expensive system compared to open field,” said Chieri Kubota, professor of controlled environment agriculture at Ohio State University. “It’s a high input, high output type of system, so if anyone wants to start this type of business they need to have a capital investment at hand to start, and that’s actually limiting that application, not everyone can do it.”
Summer weather can sometimes be stifling, which can drive people indoors. But you don’t have to allow the heat to deter you from spending time on your patio. And you don’t have to resort to a loud and distracting freestanding fan to cool you off. As long as you have an area for mounting, this ceiling fan can provide the airflow you need to defeat hot summer temperatures and reclaim your outdoor living space.
Researchers at the Poznan University of Life Sciences, Poland examined different amounts of blue light between 10 and 15% with a constant proportion of red light and its effect on dill plants. They discovered that generally, dill plants treated with red light were higher overall and displayed elongated internodes, but the plants treated with blue light had shorter internodes and generated relatively high herb yields.
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