Here's some info about Creasy's experiment. And at the bottom I have some thoughts and questions about a similar challenge.
In 2008 Rosalind Creasy did an experiment to see how much she could grow in a summer garden of 100 square feet (~9 square meters).
In her garden she planted
Basil
Lettuce
Peppers, Bell
Tomatoes
Zucchini
All together she got 235 pounds/106 kg of organic vegetables from her plot. In her area this would be over US$700/470 Euros worth of vegetables.
For the 2009 garden year she planted some cool weather vegetables earlier in the year and also diversified her summer garden. So this year she has
Basil
Beans, Pole
Cilantro (potentially she would have coriander too if she lets some of it go to seed)
Broccoli
Chard
Collards
Cucumbers
Greens, Stir Fry Mix
Kale
Lettuce
Peas, Snap
Peppers, Bell
Scallions
Tomatoes
Zucchini
There's a report with lots more info on the garden in the December 2009 issue of Mother Earth News.
http://www.motherearthnews.com/Organ...ning-Food.aspx
The magazine issue has many more photos.
They also include some great tips on getting lots of food from a small plot.
http://www.motherearthnews.com/Organ...od.aspx?page=4
The 2009 plantings and yields are now up on her website:
http://www.rosalindcreasy.com/ros-tr...den-2008-2009/
The garden went a little bit differently than she planned in the MEN article. She increased her diversity though with similar yields so far.
The best information I know of for developing a local strategy for juggling garden space, yields, and nutrition is the book
One Circle: How to Grow a Complete Diet in Less than 1000 Square Feet by David Duhon
http://www.bountifulgardens.org/prod...ber=BEA%2D0370
The best data that I know of for yield info is in the Jeavons's book on How to Grow More Vegetables. He lists yields for steadily increasing soil fertility and experience through growing your own compost. The one thing they do suggest though is that if your soil is deficient in minerals to add those at the start since they can't be grown using compost. Also they have booklets available from Bountiful Gardens on composting and growing compost.
http://www.bountifulgardens.org/
Info also at Bountiful Gardens on the 2100 square foot model, a scaled down one bed model, a sample plan for Kenya and one for Mexico. The Kenyan and Mexican ones are also a good resource if you want to use the One Circle type plans for spring and fall gardens and the Kenyan or Mexican type gardens for your summer garden.
http://www.bountifulgardens.org/products.asp?dept=104
There's also an experimental garden with a good summary available for reading on the internet.
http://www.cityfarmer.org/albie.html
This garden was grown in Santa Cruz, CA, USA which has a temperature of 50-75F nearly year round.
Does anyone know of gardeners who are taking on the Mother Earth News challenge to replicate the 100 square foot garden experiment or to do something similar if larger? Are they planning to post or blog about it? There is an elist to share tips for the 100 Square Foot Challenge
100SFGarden-subscribe@yahoogroups.com
I am going to give it a try this year. What I am having a hard time deciding is whether
1) to try and maximize diversity which would increase the seed costs aspects of it
or
2) go for a medium amount of diversity which would keep the seed costs down and the net savings yield higher.
There are situations where I could do both such as mesclun mix.
Which example would be more appealing to you?
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