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by Chris P

Recycling Grocery Waste

10:39 pm in Featured Post, Nutrition, Other Cool Urban Ag. Stuff by Chris P

I work at a grocery store here in florida, and i noticed that the produce deartment throws away a massive amount of decent fruits and vegetables just because they have been on the shelf for to long. my question is, would it b worth it to try and recycle all that waste and try and turn it into nutrition for the window farm system. Honestly im new to all this kind of stuff so i dont know if there are any problems with acidity and such. I just think that there has to b something to do about it, because this is just 1 store, and i imagine that it is the same for most if not all of the other grocery stores. Also i talked to the manager and they would almost always be willing to give it away for free. They just have to get approval b/c of health and potential legal stuff.

by Chris

Plastic Contamination?

5:32 am in Getting Started, Materials and Resources, Nutrition, questions by Chris

I think this project is fantastic, although I’m finding the site a little difficult to navigate (that could be due to the spammers trying to sell me coats and headphones though :) )

Has anybody given any though to the potential contamination from the plastic bottles (BPA, PET etc)?  The water bottles (in the UK) say that they shouldn’t be refilled, this isn’t just a cunning ploy by the water companies to sell more product, it’s also because the chemicals from the plastic leech into the water.  I ‘imagine’ that will the plastic bottles sitting in direct sunlight, some of those chemicals would also leech into the plants.

This is my only concern with this otherwise impressive system.

Is anybody using any alternatives to plastic bottles?

by Daniel

Planting in our system

6:36 am in Completed Window Farms, International, Nutrients, Nutrition, Plants by Daniel

Hey everyone!

We’re pretty much finished with our giant windowfarm build and it’s come out super nice! We made a short video showing how we plant our seedlings in the system and what medium and nutrition we use.

Please enjoy the video for now and we’ll be back next week with pictures and vids of the finished farm!

Organic nutritions???

11:57 am in Nutrition by farmerhome1

Hello to everybody!

I am new at window farming! I would like to ask what kind of organic nutritions I should use for tomato-pepper-eggplant-squash and also for Lecture-parsley-celery-anise.

Thank you!

Experience with long-term-nutrients?

7:55 am in Getting Started, Nutrients, Nutrition, questions, Seeking Advice by Greenkeeper78

Hello folks!

I’m just starting my Windowfarm (one column) and the Airlift works fine now. Having started with a small amount of liquid nutrient solution I’ve stumbled upon a product entitled “Lewatit  HD 50″ by it’s manufacurer, (Lanxess, Germany, actually just around my corner). The product is also being sold unter different brand names.

The data-sheet promises that you can put this into your solution and afterwards don’t need to touch the system for 3-4 months because the granulate passes just the right amount of nutrients to the water during this time, until it’s depleted.

I haven’t ouched this stuff yet but consider using it for my windowfarm.

Has anyone around here operating experience with this kind of product?

Link to data-sheet in english:

http://lewatit.com/common/download.php?file=ea38c8a6a78e9fa1e75a8c0065843c52

Greetings

Markus

Setting up my windowfarm… finally!

12:54 pm in Getting Started, Materials and Resources, Nutrients, Nutrition, posts with pitcures!, Projects in Process, questions, Seeking Advice, Uncategorized by BionicMel

I have set up the 4 bottles, and now I’m working on my airlift. I’m trying to do the T version instead of the air needles. But I’m having trouble getting the air to lift the water and not escape through what should be the water intake tube.

Any advice for this system? I’m going to go and cut a longer piece of tube and see if that makes a difference.

Thanks,

Melissa

-EDIT- (20 minutes later)

http://www.flickr.com/photos/58467192@N06/5378581924/

So the longer tube completely helped! There is no air escaping from the system at all. Now my poor tomato plant that was without water all night is getting some.

http://www.flickr.com/photos/58467192@N06/5377983157/

I purchased the white frame from ikea and it was around 20$. I plan on having 3 or 4 columns with a string of lights in between the columns. This frame will allow me to move the window farm around and close my blinds at night. I’m going to raise it up to window height once it’s all installed.

http://www.flickr.com/photos/58467192@N06/5378580404/

Here is a short video of my airlift in action.
http://www.youtube.com/watch?v=6qER-HLCHcE

-EDIT- (Later that day…)

http://www.flickr.com/photos/58467192@N06/5378590143/

So my tomato is definately looking good! http://www.flickr.com/photos/58467192@N06/5379181542/in/photostream/
I have also transplanted a broccoli plant to the top of the column. http://www.flickr.com/photos/58467192@N06/5379182328/in/photostream/
My seedlings are starting to sprout! http://www.flickr.com/photos/58467192@N06/5378589329

I made another change to my system… I zip tied the coil of tube in the water so it is easier to remove and install. http://www.flickr.com/photos/58467192@N06/5379179122

Also, nutrients were added to the solution. I added part 1 and part 2 of the general nutrients, and I also added some “maximum plantroids” because it says:

“Plantroids Super-Vitamin Thrive Enhancer stimulates plant branching, increases photosynthesis and cell division. Plantroids also helps reduce stress as well as stimulates root growth”.

Just a warning about CFLs… I dropped one and it smashed into a million tiny shards. Took a while to make sure I got all the little pieces.

Can anyone give me advice on how to put pictures in my post, rather than just links? Thanks.

by britta

Clay pellets and root growth

4:01 pm in environmental impact, Materials and Resources, Nutrients, Nutrition, Plants, posts with pitcures!, questions, Version 1.0 Reservoir System, Version 2.0 airlift system, Version 3.0 Modular Airlift Columns by britta

Plants roots are suspended in clay pellets so that we can run a liquid nutrient solution over the roots without leaving them in a bunch of soggy rotting muck.

Roots bathed in liquid nutrients grow into compact hairy root networks, rather than long big roots you find in soil where plants are out searching for water below ground. The hairs  grab hold of droplets of the liquid nutrients and grow into the porous cavities of the clay pellets to find tasty little juice pockets waiting for them even when the pump is turned off.

Dandelion green roots growing around and into clay pellets

The clay pellets are a great match for drip irrigation because they hold just the right amount of this stuff around the plants’ roots. No killer sog because, like rocks or pebbles, they shed water. But way better than rocks because they hold just a little bit of moisture close by for the hairs to reeeeeach out and ahhhhha get a little sip when they need it.

Clay pellets provide no nutritional value for the plant; it all comes from the nutrient solution. However, they are not made of lava rock, which would react and change the chemical composition of the nutrient solution. They are “inert,” meaning they don’t react.

Clay pellets shed water like pebbles, but their porous interior pockets hold little droplets of liquid nutrients for plants' root hairs to find

I like them because they can be reused, so I don’t have to add to the landfill with every crop. You can clean them and dip them in boiling water between crops to sterilize them.

Nothing is ever sacred and in the spirit of R&D-I-Y, it would be great to find ways of replacing clay pellets with something that was not shipped all over the world from Germany.

However, if you are new to windowfarming, I don’t recommend that these be one of the first things you start experimenting with substituting out.  Wait until you get the hang of dealing with nutrient solution first– there are plenty of other variables to change out as you get to know the microclimate of your window.

This is why we include them in the kits for new windowfarmers.

-Britta

by Semilla

Nitrate,Nitrite und Nitrosamine

1:13 am in Nutrients, Nutrition by Semilla

Hallo Leute,

ich habe Bedenken gegenüber der Nitratversorgung der Pflanzen beim Gartenlädchen meines Vertrauens geäußert …

Habt ihr keine Bedenken rein synthetische Stoffe in den Kreislauf reinzugeben?

Der Händler sagte dass es bei Guano oder das Andere tierorganische Zeug weniger Transparenz gäbe

und das man mit dem chemischen Angebot besser bedient wäre. Habt ihr schon erste Erfahrungen auswerten können?

Aquaponics scheint mir sinnvoller zu sein …
Was sagt Ihr denn dazu?

Hier ist auch noch eine Infoseite

http://www.inform24.de/nitro.html

PS: I apologise that i wrote the article on german, but it was for me easier…

It´s about my doubt for the use of nutrients and a link for more information unfortunaly on german too…

Pero creo que todas las paginas se pueden traducir en ingles o español…

Grüße aus Köln

Juan

by Erna

Water & nutrients

5:00 am in Nutrition by Erna

Hi all!

My first post and all…. :)

How often do U change the water and nutrients?

Does a windowfarm need more or less water than conventional indoor grooving?

/Andy

by britta

Benefits of Windowfarms: Hypotheses to Test

2:08 am in Education, energy consumption, environmental impact, Help the project by testing this, Nutrients, Nutrition, our mission, Windowfarms Project News by britta

THE PROBLEM

It’s a daily miracle that enough food is grown, packaged, transported, & distributed to feed more than 3 billion people in cities worldwide. A massive industrial food complex has been set up to meet the demands of our fast growing, increasingly urban populations. My engineer/inventor grandfather played a role in creating this system, having designed the technology behind the modern grain silo. However, toward the end of his life, he became a passionate environmentalist and expressed to me a concern about his life’s work: the complex systems his generation had set up turned out not to be as healthy for ourselves or the rest of the natural world and too few people comprehend or are involved in the decisions that operate them. The same industrial food complex that keeps us eating cheaply has ravaged the natural landscape of the countryside and compromised the nutrition and food security of almost every community, urban or rural. He said my generation would face the challenge of rethinking some of his generation’s designs.

Let’s figure out how to help cities feed themselves & improve the American diet.

These hypotheses need to be tested and proven with your help. Join a group that suits your interests.

ENVIRONMENTAL IMPACT

See similar posts here
Contribute to the environmental impact group here

Windowfarming may ultimately provide a way of getting SOME of one’s vegetables at a lower carbon cost than store bought vegetables. In our existing food system, it takes 7-10 calories of fossil fuels to produce one calorie of food when transportation and packaging are taken into account (http://www.sustainabletable.org/issues/energy/). That’s all we windowfarmers have to beat to be making progress. But we need to be very transparent about our numbers and how they compare to these numbers. Approximately 20-25 vegetable plants can grow in a 4-column windowfarm in a normal home window. How many calories of food can we produce and how low can we get the fossil fuel use for these hydroponic gardens while keeping them easy to maintain and pleasing to their human roommates? How much control can we get as the end consumers to know exactly where all the components came from and understand their environmental impact?

NUTRITIONAL IMPACT
See similar posts here
Contribute to nutritional impact group here

There may also be a nutritional benefit to windowfarmed vegetables over those bought at a grocery store. Researchers correlate high caloric content responsible for American obesity with the degree of food processing and the distance food has to travel (http://web.mit.edu/newsofice/2009/foodshed.html). My windowfarmed crops TASTE better and seem fresher than food I get at the grocery store. I think that’s because these veggies are still ALIVE.

EDUCATIONAL IMPACT
See similar posts here
Contribute to the educational impact group here

A retooling of the food system faces several problems related to education & public perception. First, there is a lack of understanding of the value of change, nutrition, how the system works, or how to fix it. We just don’t know as much about where our food comes from and nutrition has gotten to be a very distant complicated topic compared to the way we might have understood it when we all grew our own. Hands-on “constructivist” learning has been shown to be most effective and the Windowfarms Project has people learn in just about the most hands-on constructivist way possible, but its also just fun and pretty. Just steps from the table, Windowfarmers nurture their own food-bearing plants– historically a core human skill– which leads to a better understanding of humans’ nutritional needs and how much the quality of the plants one eats matters. I put a lot of care and attention into ensuring that my plants themselves get the best possible nutrition. When my lettuce is wilty or spotty, I research it’s health and thereby end up learning about my own metabolic processes. Windowfarmers are not back seat observers in conversations about the food system, they are drivers with experience and a personal stake in the matter. However, all this food education might just creep up on them unawares, born out of their passion for gardening, design, or fresh herbs.

OPENNESS & PUBLIC ENGAGEMENT

There’s no group for this yet. Start one here.

As Silicon Valley venture capitalists twitter about agriculture being the next big market and governments begin funding new agricultural tech startups (see Manhattan Borough President Scott Stringers FoodNYC plan) we need to be very careful that we are not turning food production into yet another set of proprietary technologies that will aggregate power over another vital life resource in the hands of the few. We have seen what happens when we are not proactive about keeping vital ideas and research in the public domain, e.g. Monsanto or the pharmaceutical industry. We do not blankly advocate opensource everything, but when it comes to resources that are essential to life like food and medicine, absolutely. In a sustainable society, the knowledge about how to grow our own food and provide for ourselves should remain in the hands of individuals as well as in those of the large organizations who produce en masse. Complex automated systems set up on skyscraper rooftops and maintained by only a few specialists, will undoubtedly provide more food, but the knowledge and experience should really be shared with as many folks as possible. We believe that giving folks of all stripes the know-how and ability to grow food for themselves, where it is convenient and accessible in their apartments, will make our food system exponentially stronger and smarter. We are aware that there may be legal battles to be fought here and we have good people on our side, helping us look ahead.