BLOG Curated knowledge for all things cannabis growing, grower news and helpful tips. back to the main blog page back to the main blog page BLOG back to the main blog page Curated knowledge for all things cannabis growing, grower news and helpful tips. Growing tips Grower Spotlight News ADVANCED TIPS Growing Science Retail spotlight white papers Product spotlight Growing tips ADVANCED TIPS Grower Spotlight Retail spotlight White papers News Growing Science Product spotlight … When people think of organic agriculture, they often imagine products free of synthetic chemicals… Read more … Plant density plays an important role in cannabis cultivation. Deciding how many plants to… Read more … Growers who start with clones or tissue culture can count on plants with the… Read more … All living organisms need food for energy, but to use that energy, they must… Read more … Plants produce their own food through photosynthesis, using energy from light to convert water… Read more … Flushing is the practice of halting fertilization before harvest and irrigating plants with plain… Read more … Plant fertilization is a sophisticated science that requires understanding both plant needs and the… Read more … Plants need secondary macronutrients and micronutrients in smaller quantities than primary macronutrients, and yet… Read more … Nitrogen, phosphorus and potassium—commonly referred to as NPK—are the three essential macronutrients. They’re called… Read more … The acidity or alkalinity of a liquid is measured as pH. A low pH… Read more … Plants require specific nutrients to survive and develop properly. These are called essential nutrients… Read more … Plant growth-promoting rhizobacteria (PGPR) are beneficial bacteria that colonize the root zone, acting as… Read more … Humic substances are naturally occurring compounds derived from decomposed animal and plant matter through… Read more … Plant hormones, called phytohormones, are chemical compounds that circulate through the plant, signaling and… Read more … Secondary metabolites are chemical compounds that plants produce to fight against threats, adapt to… Read more … Triacontanol (sometimes abbreviated as TRIA) is a natural non-hormonal growth promoter. First discovered in… Read more … Crop steering is a cannabis cultivation technique where careful control over environmental factors guides… Read more … Fertigation is the process of delivering nutrients to plants through irrigation. In hydroponic systems,… Read more … The vapor pressure deficit (VPD) is the difference between the moisture currently in the… Read more … In our previous blog post, we talked about the importance of plant transpiration and… Read more … When plants transpire, they move water from the roots to the shoots and release… Read more … Supplementing carbon dioxide (CO2) in the grow room is common in indoor cannabis cultivation.… Read more … Carbon dioxide (CO2) is essential for photosynthesis. The amount of CO2 available to plants… Read more … Water is the lifeblood of agriculture. Not only does water irrigate roots, but it… Read more … Even though cannabis grown indoors is protected from Mother Nature, it remains vulnerable to pests… Read more … Cannabis strains have a range of fragrance and flavors, from musky and earthy to… Read more … Light is the primary energy source for plants. Not only is it necessary for… Read more … Proteins are known as “the building blocks of life”—and amino acids the building blocks… Read more … Silicon is the second most abundant element on Earth. However, most forms of silicon[1]… Read more … Although silicon is not considered an essential nutrient—plants can grow without it—it significantly boosts… Read more … Fertilizer is a crucial component of crop production, but simply adding fertilizer to the… Read more … Biofilms are a common problem in cannabis grow operations. These slimy layers of microbial… Read more … In the wild, cannabis goes through three phases during its life cycle: (1) seeds… Read more … Silicon is the second-most abundant element in the Earth’s crust, and it bonds with… Read more … Hydroponic nutrients need to be applied in the right concentrations at the right times… Read more … Download pdf Inorganic fertilizers have a bad rep. Often called “synthetic,” “chemical” and “artificial,”… Read more … Silicon packs a powerful punch, increasing crop quality, strength and resilience. Yet the fertilizer… Read more … In agriculture as in music, heavy metal has a bad-boy reputation. And for good… Read more … Every seedling carries its potential within its genes. Just as a person might inherit… Read more