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  1. backtracker

    Nitrate (NO3-) versus ammonium (NH4+)

    Soil nitrogen conversion processes The three main sources of nitrogen, used in agriculture are urea, ammonium and nitrate. The biological oxidation of ammonia to nitrate is known as nitrification. This process consists of various steps, as demonstrated in Figure 1, and is mediated by...
  2. backtracker

    The effects of nitrate on plant growth

    How does excess amounts of nitrate affect the growth of a plant and why is this so? Increase in nitrate, like increase in any salt will increase the osmotic concentration of the soil solution. The roots of the plant then have to take up minerals from a more and more concentrated solution. If...
  3. backtracker

    OK now what

    Last fall I planted a mix of grass and peas into my grow bags now they look like giant black gods with long green hair. If it's turned under there's not enough time for it to break down before it's time to plant plus the root mass from last year is still there, it was a cold wet winter so they...
  4. backtracker

    law of the minimum

  5. backtracker

    Hot Water Seed Treatment

    anyone tried this to prevent disease ? https://extension.unh.edu/resources/files/Resource004574_Rep6520.pdf
  6. backtracker

    Small grower saving grace?

    In wine they use the term " terroir" from wiki: Terroir (French pronunciation: [tɛʁwaʁ] from terre, "land") is the set of all environmental factors that affect a crop's phenotype, unique environment contexts and farming practices, when the crop is grown in a specific habitat. Collectively...
  7. backtracker

    The Perils of Pot Farming: A Season on America's Least Chill Weed Farm

    I didn't know where else to put this, a great read. " We're up north, several hours from San Francisco, when we pull off the freeway in the middle of buttfuck nowhere. Nothing but a single-lane road surrounded by hills browned by the August sun. It's early Sunday. Nelson pulls up to a locked...
  8. backtracker

    The Drum Beat Begins...Marijuana use associated with increased risk of stroke, heart failure

    Here they come with the right wing bullshit to make it bad then it will be OK to go after users again. Back to the good old days of the 60's, they're already building new prisons on the boarder for the unauthorized immigrants they're rounding up so after they send them back there will be plenty...
  9. backtracker

    The fucking stock market for pot

    http://www.mjcharts.com/
  10. backtracker

    Great read on illegal pot grows in California

    Two black bears, a deer, and a gray fox. The decomposing corpses are strewn among 7,000 pounds of propane tanks, tarps, car batteries, fertilizers, pesticides, banned rodenticides from Mexico, and other trash, plus 4,000 pounds of irrigation line blanketing an abandoned 20,000 plant illegal...
  11. backtracker

    Oregon bans 14 strains

    Girl Scout Cookies, Grape Ape, Candyland, Charlotte's Web, Cinderella, Dr Who, Bubblisious, Smurf, Bruce Banner, Deathstar, Skywalker, Jedi Kush, LSD, Blow...........WTF about Green Crack.....my current favorite.
  12. backtracker

    Marijuana's hidden price: Environmental impact

    "It's just a plant" is a common refrain from those who want to legalize the leaf, but a recent study of cannabis production argues that the environmental impact of marijuana farming must be considered -- especially as more states move toward further legalization this election season. The study...
  13. backtracker

    ‘Potalyzer’ to check marijuana DUI

    September 9, 2016 Himanshu Goenka Posted with permission from International Business Times As more states in the United States legalize marijuana consumption — or set up votes for it — whether only for medical reasons or for recreational use as well, there are also growing concerns about...
  14. backtracker

    Court Upholds Ban On Gun Sales To Medical Marijuana Card Holders

    BySUDHIN THANAWALAPublishedAugust 31, 2016, 3:41 PM EDT SAN FRANCISCO (AP) — A federal government ban on the sale of guns to medical marijuana card holders does not violate the 2nd Amendment, a federal appeals court said Wednesday. The ruling by the 9th U.S. Circuit Court of Appeals applies to...
  15. backtracker

    The Science Behind Purple Kush, and the Colors of Cannabis

    August 30, 2016 // 02:17 PM EST, Motherboard. Before cannabinoid testing and genetic profiling of the cannabis plant, consumers would judge a batch of weed based on its smell, taste, and color. In fact, a whopping 93 percent of buyers make a purchasing choice contingent on the color and look of...
  16. backtracker

    Fake penis called 'Whizzinator' seized during Contra Costa drug test

    MARTINEZ -- An Oakley man tried to dupe his probation officer by using a synthetic penis dubbed a "Whizzinator" to pass a drug test, according to sheriff's records. Ryan Marino, 32, is being held without bail on charges of battery and vandalism, as well as a probation violation, according to...
  17. backtracker

    Cannabis Business Times

    Here we go, big biz is taking over. http://www.cannabisbusinesstimes.com/
  18. backtracker

    Heads up for those shopping at hydroponic stores

    The Complicated Connections Between Legal Hydroponics and the Marijuana Black Market. Florida, where the DEA eradicated 242 indoor marijuana grow sites in 2015—second only to California—indoor gardening retailers are catering to a mostly black market clientele with a wink and a nod, according...
  19. backtracker

    Going wide and shallow

    The one in the box is haze and the one in the bag is gorilla glue. The box is 5'x5' x12" the bag is 6' x 18'". I wanted to see what would happen if they were forced to go wide not down. There's about 10inches of soil in the box and the bottom is open it's sitting on red clay no hole was dug...
  20. backtracker

    Bat shit crazy

    I tried going shallow and wide just to see how the plants would do. The one in the 5'x5' box has about 10 inches of soil in it and is setting on clay that's hard as cement, it's a haze X and is now around 12 ft tall 8 ft wide and just starting to flower. The one in the bag is a Gorilla Glue by...
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