SIP thread -- (Sub-Irrigated Planter)

[Shiggity]

Day 53 Nearing the finish. Huck dieselV2 from dynastygenetics. Sour diesel leaning pheno. Took a test branch and it’s really citrus with a hint of berry. Energetic buzz that sinks into a body buzz. Temps got high for a quick minute but she’s fine now, just a little leaf taco.

 

[Hollatchaboy]

Day 53 Nearing the finish. Huck dieselV2 from dynastygenetics. Sour diesel leaning pheno. Took a test branch and it’s really citrus with a hint of berry. Energetic buzz that sinks into a body buzz. Temps got high for a quick minute but she’s fine now, just a little leaf taco.
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Looks good man!

 

[Shiggity]

I think those vertical air channels really helped this grow with the yellowing. I didn’t have any issues with the wet soil releasing nitrogen like I have had before.

 

[Hollatchaboy]

I think those vertical air channels really helped this grow with the yellowing. I didn’t have any issues with the wet soil releasing nitrogen like I have had before.

What's that? You just dig channels into the soil?

 

[Shiggity]

What's that? You just dig channels into the soil?

I took some 3” corrugated pipe and cut holes in every layer. Wrapped it in a drainage sock and placed it in the soil right on top of the resevoir. Keeps the soil oxygenated. Wet soils in absence of oxygen cause denitrifying bacteria to convert nitate to n2 and n20 which are both gases.

 

[Hollatchaboy]

I took some 3” corrugated pipe and cut holes in every layer. Wrapped it in a drainage sock and placed it in the soil right on top of the resevoir. Keeps the soil oxygenated. Wet soils in absence of oxygen cause denitrifying bacteria to convert nitate to n2 and n20 which are both gases.View attachment 5045115View attachment 5045116

Oh, perforated plastic pipe. Do you fill those with soil, or leave them empty?

 

[myke]

Cut holes in every layer? Drain tile?

You mean drilled holes in every fold? Like small 1/4" holes?

Cool idea,since theres no way for air with only one tote.The overflow hole is the only air vent.

 

[Hollatchaboy]

Cut holes in every layer? Drain tile?

You mean drilled holes in every fold? Like small 1/4" holes?

Cool idea,since theres no way for air with only one tote.The overflow hole is the only air vent.

Ok, does soil volume make a difference? The eb only has the overflow and filler tube. Should I be trying to get more air into the eb soil in your opinion?

 

[myke]

Ok, does soil volume make a difference? The eb only has the overflow and filler tube. Should I be trying to get more air into the eb soil in your opinion?

IDK,never crossed my mind.Mine have a big air gap between the totes not sure what that does.Holes in the inntainer bottom is all I have.
Maybe all my air gap does is make water evaporate more?

 

[Hollatchaboy]

IDK,never crossed my mind.Mine have a big air gap between the totes not sure what that does.Holes in the inntainer bottom is all I have.
Maybe all my air gap does is make water evaporate more?

I was led to believe the air gap was so roots could get oxygen. Maybe I should try an airstone in the res. It should add more do to the water, and hopefully into the soil?

 

[myke]

I was led to believe the air gap was so roots could get oxygen. Maybe I should try an airstone in the res. It should add more do to the water, and hopefully into the soil?

If the bottom is all perforated the bubbles splashing up would be like dwc.Roots would continue to grow through.

Mine air prune at ea hole.

 

[myke]

I assume Shiggys tube would have the same air pruned roots inside?

 

[Hollatchaboy]

If the bottom is all perforated the bubbles splashing up would be like dwc.Roots would continue to grow through.

Mine air prune at ea hole.
View attachment 5045164

Yea, that may not be a good thing. I might have to have water in the res at all times then.

But then again, with air being pumped into the res, there would be no reason to let it go dry for a period. Am I thinking in the right direction?

 

[Hairybuds]

Plants if given proper aeration through rice hulls perlite etc should be all it needs no? I don’t have any breather holes in my wick so roots are in water and plants look good

 

[myke]

Plants if given proper aeration through rice hulls perlite etc should be all it needs no? I don’t have any breather holes in my wick so roots are in water and plants look good

Thats my thoughts,as long as the soil does not directly sit in water.

 

[Hollatchaboy]

Thats my thoughts,as long as the soil does not directly sit in water.

I guess I'm just too high. Lol
If the sip already works, why fuck with it?

 

[myke]

I guess I'm just too high. Lol
If the sip already works, why fuck with it?

Air stone would keep the soil moist,like another wick.So say you had no wick the air stone splashing up would work but water level like dwc would need to be maintained.

Agreed ,feed the soil not the sip lol.

 

[Shiggity]

I just wanted to provide oxygen to the wet soil. Aeration is good but I really think these air channels are keeping the soil oxygenated. When soil is wet it’s hard for oxygen to get through it. That why we are doing so many SIP grows with yellow leaves but no other deficiency at the same time. Nitrogen is offgassing because of lack of oxygen in the soil. Doesn’t matter if the resevoir is aerated. Gotta have oxygen in the soil to prevent denitrifying bacteria from acting.

 

[Hollatchaboy]

I just wanted to provide oxygen to the wet soil. Aeration is good but I really think these air channels are keeping the soil oxygenated. When soil is wet it’s hard for oxygen to get through it. That why we are doing so many SIP grows with yellow leaves but no other deficiency at the same time. Nitrogen is offgassing because of lack of oxygen in the soil. Doesn’t matter if the resevoir is aerated. Gotta have oxygen in the soil to prevent denitrifying bacteria from acting.

I'm not exactly sure how it works, if I add d.o. to the res water, that doesn't add more oxygen to the soil by wicking up oxygenated water?

 

[GrassBurner]

What about this for a tea for my small sips? I picked up some Dr Earth Bone Meal and Blood meal on clearance this summer, haven't used them for anything, but they were $2 for 4lb bags. If I make a tea with Bone Meal and Langbeinite at regular strength, and use blood meal at half strength, I would get 9.5-15-22 NPK. I could give the 4 sips 1/4 gallon each @ weeks 3 and 6, Neptune's Harvest @ weeks 4 and 8, and Flowergirl tea weeks 2,5, and 7. Does the blood/bone/langbeinite tea sound too strong @ 1/4 gallon per 3 gallons of soil?