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Marijuana Fertilizers and Additives

marijuana fertlizers and additives

In last chapter we talked dirty: In this chapter we are going to talk sh*t.  And not just regular sh*t, we’re talking bull, bat, and synthetic.  Don’t worry, we’re going to take them one by one and figure them out.

MARIJUANA FERTILIZERS AND ADDITIVES

STEER MANURE

Cow manure it often sold as “steer manure” but is most often collected from dairy herds. Cow manure has been used for centuries and is a good fertilizer as well as a soil amendment.

Steer manure is most valuable as mulch and a soil amendment. It holds water well and maintains fertility for a long time. The nutrient value is low and should not be relied upon for the main source of nitrogen. The average nutrient content of cow manure is N – 0.6% P – 0.3% K – 0.3%. There is also a full range of trace elements.

This said, my co-grower Fred, really likes Steer Manure.  He adds it to his soil in the beginning of the season and really feels it helps.  We buy 3 bags for an 8’x12′ greenhouse.  We also buy 3-6 bags of popular branded soil.  Then we layer dirt, manure, dirt, etc. and mix it with a rake.  I like to wait 24-48 hours before planting to let the mixture coagulate.

GUANO

Wikipedia says: (via Spanish, ultimately from the Quechua wanu, meaning ‘dung’) is the excrement (feces and urine) of seabirds, cave dwelling bats, and seals. Guano manure is an effective fertilizer due to its high levels of phosphorus and nitrogen and its lack of odor. It was an important source of nitrates for gunpowder. Soil that is deficient in organic matter can be made more productive by addition of this manure. Guano consists of ammonium oxalate and urate, phosphates, as well as some earth salts and impurities. Guano also has a high concentration of nitrates. Bird guano has a fertilizer analysis of 11 to 16 percent nitrogen, 8 to 12 percent equivalent phosphoric acid, and 2 to 3 percent equivalent potash.[1] Bat and seal guano are lower in fertilizer value than bird guano.

The classification of “Guano” includes not only Bat Guano, but also Seagull and Seal!  Ideally, you want to use Seagull Guano because it contains more Nitrogen than other Guanos.

RECIPE FOR GUANO “TEA”

Put 2 cups of high-nitrogen bat or seabird guano (found at your local garden center or nursery) in the corner of a cloth bag (old pillowcases are perfect). Tie it in a knot around a stick and suspend it in a 5-gallon bucket of fresh (preferably distilled) water. It is now like a tea bag. Just shake the tea bag around several times a day. It should emit a dark secretion from the bag. After two days, the water should be pretty dark. Take out the tea bag and dispose of it or rinse it out to be reused. Use this dark water at a rate of 1-2 cups per gallon of fresh water and mix it up. This will give you a “tea” to water your plants. Use it to water once, and then wait a few days to see if your plants like it.

You can use this high-Nitrogen tea whenever your plants tell you they need it (yellowing leaves).

COMMERCIALLY BOTTLED

Now, as though you haven’t had enough of this sh*t, we are going into the less gross classification, commercially bottled.  There are many types out there and I have used most of them.  They all seem to be pretty much the same.  Look for nutrients that are organic and contain a high Nitrogen content.  When the girls start flowering, switch to a high Phosphorus content, and then 4 weeks later, switch to a high Potassium content nutrient.

“Growing up in the sub tropics of Florida, one of the things that can be done to defray the ever rising cost of pot is to grow your own. So we did (and do) in every available space and way you can imagine. Since much of our lovely state is made up of mangrove swamps, estuaries and barrier islands, our youthful efforts to produce clandestine crops of cannabis eventually moved to this final frontier of mosquitos, mud and the raccoon…”

— Pot Stories for the Soul

 

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