organic

Worm tea can be used anytime, in veg or flower, as it is not really a nutrient source, more of a growth enhancer. You can also use worm castings as part of your soil mix which is probably even better.

There is a big difference in P. The problem with getting it to the roots where the plant can use it is that it's not a very mobile nutrient, meaning it tends to stay where it is in the soil. So if you put some non-soluble P fertilizer (like bone meal) on the surface of the soil, none of it will get down in the root zone where the plant can use it. Also, nearly all organic P sources need to be broken down by the soil processes which takes some time. So it is important to have your P source mixed in with the soil from the start, so it is both in the root zone and broken down enough for the plant to use when it is flowering. Most organic P sources are non-soluble.

Soluble P is able to be dissolved in water and therefore you can get it to the roots of the plant late in the grow. It is hard to come by from organic sources, one of the only options is a high P guano (like Chilean seabird). You would generally want to use this to correct a P deficiency, or to give the plants a little boost during flowering, rather than planning on providing all the P for the grow this way.

Hope this helps

O

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cassiusclay

Percentage by weight of //// Availability
Type of to plant
Fertilizer N P (P2O5) K(K2O)

Blood Meal 13.0 0 0 Rapid/medium
Bone Meal 0.5 15.0 0 Medium/slow
Blood/Bone Meal 6.0 7.0 0 Medium/slow
Cottonseed meal 6.0 7.0 1 Slow/medium
Fish meal 8.0 2.0 0 Slow/medium
Hoof and bone meal 10.0 2.0 0 Slow
Rock Phosphate 6.0 24.0 0 Slow
Wood Ash 0 1.5 3-7 Rapid
Greensand 0 0 2-8 Medium/slow

Dr DragonFly

I'm about to go with Organic's recipe for soil as stated in this thread, but I'm confused on one thing.

Do you use this soil recipe for your germinated seedlings, or wait to use this soil for when they are a little bigger and you transplant them into it???

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Grow your own

My grow chamber is so stealth, sometimes I can't even find it.

(it's just a weed)

organic

Some people germinate their seeds right in the pot they intend to finish in, so it is OK to use it this way.

Personally, I like to germinate in just straight potting soil amended with a little bit of worm castings. Nutes can't really help seedlings, and can hurt them if overapplied, but studies have been done showing that amending with w.c. at the germination/seedling stage has positive effects that persist throughout a plant's life.

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Marijuwana

Thanks for taking your time to create such a nice reference of terms, helped me out in some areas. I also thought I would add a really useful index on a few pests in the garden and what it takes to solve the problem. =)
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==APHIDS==
Aphids are a prolific pear-shaped insects, approxomitaley 1/16-3/8 of an inch long. they come in many diffrent colors including white, green, pink, red, yellow and black. they mature in 7-10 days and start producing live young. Aphids feed on plant juices and are often herded by ants which milk them for the "honeydew" or sugar concentrate which they release.
-CONTROL: Aphidius colemani is a tiny parastic wasp, which lays it's eggs in living Aphids. The adult wasp emerges from the phids body in two weeks, ready to makte and start reproducing, they also prefer tempetures lower then 80 degrees, not hard to cooperate with. One introuduction should be enough.
-CONTROL: Aphidius aphidimyza is a predatory midge. The midge will lay about 250 eggs over a ten day period near an Aphid colony. the bright orange larvae, about 1/10" long, will eat about ten Aphids a day but will attack more. The larvae then mature in the soil, emerging as adults to lay eggs. The total cycle takes about three weeks. One release of about 250 midges is enough to get a colony started, the insect lies dormant during flowering forcing with 12 or fewer light hours and are not recommended for hydro grows due to predatroy nematodes.

==FUNGUS GNATS==
Fungus Gnats are tiny black flies that hove near the planting medium. Their larvae feed on dead organic matter. The larvae attract plant diseases and should be eliminated from the indoor garden, there are several biological controls for this:
-CONTROL: Gnatrol is a strain of Bacillus thuringiensis, which attacks only fungus gnats. the bacteria are mixed in water and applied to the medium three times a werk. the bacteria kill the larvae so the gants are elimanated over several weeks.
-CONTROL: Nemasys is a strain of predatory nematodes, which attack gnats in the larval stage. One pack of 50 million nematodes covers an area of 3,600 square feet. The nematodes should be introduced weekly for 3 consecutive weeks to elimated gnat infestations.
-CONTROL: Scanmask is a Steinernema feltros, a hydrid strain of nematodes that use chemical cues to find there prey. The nematodes enter the insect and release bacteria that kill them. Scanmask is avaliable both as a spray (to be used as a drench) and in granular form to be mixed into your planting medium. One application is all that is needed.

==SPIDER MITES==
Spider mites usually occur when the flowering has already begun, and they tend to hide in the preciouse bud, can only been spotted when very closely observed.
CONTROL- Spider mites can be controlled by Sethorus punctillum, a type of tiny ladybug that eats both eggs and newly hatched spider mites. Each bug eats about 40 mites a day as well as many eggs. About 100 bugs are need to start a healthy colony.

==THRIPS==
Thrips are plant parasites that feed on leaves, leaving behind a a trail of damaged plant tissue and fecal matter. they are so small that they can barely be seen, so you are more likely to notice there trails. They mature after 7 to 10 days and can lay between 200 and 250 eggs, so there population increases quickly.
-CONTROL: Orius insidiosus, a minute pirate bug, is a small insect that dines on Thrips. They reproduce quickly (every 10-20 days) and will decimate the adult population.

==WHITEFLIES==
Whiteflies are.. White-colored flies. About 1/32", which are easily seen fluttering about infested vegitation. Whiteflies slow plant growth and attract disease.
-CONTROL: Encarsia formosa is a tuny wasp, which feeds exclusively on whiteflies. The adult female lays hundreds of eggs. In approxomitely three weeks the adult whitefly emerges, ready to eat and start laying eggs, these wasps are very effective but go dormant under a flower forcing regimen. Weekly introductions for 3-6 weeks are suggested at first sign of infestation.
-CONTROL: Delphastus pusillus is a tuny black ladybug, about 1/32" long that eats all stages of whitefly. Each beetle eats about 150 eggs daily and they can quickly control a whitefly infestation. Only one introduction should be required.

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