Climate

US (CO): Early freeze in Colorado could cost cannabis growers millions

An early cold snap that swept through Colorado on Tuesday and into Wednesday drove temperatures below freezing and dumped inches of snow, potentially destroying millions of…

US (CA): August Complex fire threatens communities in the Emerald Triangle

On infrared satellite maps, the August Complex fire burning in some of the most remote forests of Northern California shows up as an advancing serpentine, moving west in the mountains east of the Central Valley and along a front that now stretches almost 100 miles from north to south. The largest…

HVAC systems explained

Heating, Ventilating, and Cooling (HVAC) systems are designed to maintain optimal greenhouse growing conditions, which vary according to the crop grown, time of year, and local climate restrictions.…

US (CA): Wildfires hit cannabis farms

California has the largest hold on the legal cannabis industry of any other state or region. In 2019 alone, the state brought in about $3.1 billion, up from about $2.5 billion in 2018. Though 2020 has been a rocky year for sales, overall the industry seems to be growing even further. But a major setback…

also saves 40 to 70 percent of energy

Hygroscopic solution takes aim at humidity issues

The high relative humidity in the greenhouse was one of the main reasons for Hungarian fresh herb grower Akkos to invest in a dehumidifier. About four years ago, they installed the dehumidification systems of Agam Greenhouses and since then, plants are healthier and more stable than before. Special about…

Monitor temperature and humidity for perishables with LogTag data recorders

QA Supplies recommends the UHADO-16 and HASO- 8 humidity and temperature loggers for monitoring current humidity and temperature readings simultaneously. These unique products are ideal for recording and monitoring the environment within a barn, warehouse, cooler, refrigerated transportation, and more. LogTag’s…

Lose as little heat in the greenhouse as possible

The selection and design of heating equipment depends on how much heat will be lost from the greenhouse, as well as the availability and cost of fuel. Heat loss is a function…

Comments from Louisiana and Texas

Hurricane Laura: “It looks like we made it through okay”

While there was concern that it would land and leave behind the type of destruction that Hurricane Katrina did in late August of 2005, thankfully Hurricane Laura had much less of an impact. Laura, a Category 4 storm with winds up to 150 mph, hit inland early Thursday morning as it arrived on the Gulf…

Svensson

the roadmap to sustainable horticulture:

Monitoring and controlling all the balances

Plants are created to produce fruit and flowers efficiently and sustainably by design. And as a grower, why not empower them to do just that? For growers, optimizing your cultivation is essential for success. At the same time, sustainable solutions are needed to combat the enormous challenge of feeding…

Hurricane Laura heads for the US after bringing heavy rain and wind to the Caribbean

While downgrading Hurricane Marco to a Tropical Storm as it landed Monday night at the mouth of the Mississippi River brought some relief to regional growers, they were hoping for the hurricane by-product: rain. Laura hit the Dominican Republic as a Tropical Storm and is on its way to the US as a…

US (CA): Wildfires take their toll from cannabis businesses

As 17 major wildfires continue to rage across California at a historic scale, once again the cannabis industry is feeling the heat close to its annual make-or-break harvest season. Worst case scenario, crops have been lost to the flames. But the problems trickle down to many other farmers close to the…

Priva

In control of crop transpiration

Summer is nearing its end and fall is approaching. This means shorter days, lower temperatures, and a change in the rhythm of life. And it’s no different for your crop: it will be transpiring less and its water requirements will decrease. These factors must be taken into account so that the crop and its root system stay healthy…

The environmental impact of indoor cannabis cultivation

Evan Mills, Ph.D. of the Lawrence Berkeley National Laboratory, and Scott Zeramby have revealed a new chapter in the upcoming “Routledge Handbook of Interdisciplinary Cannabis Research,” entitled “Energy Use by the Indoor Cannabis Industry: Inconvenient Truths for Producers, Consumers, and Policymakers.”…


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