Soil introduction

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compost your stuff at home is one of those things that I don’t understand why we don't learn this things at school :) it’s like having any other machine but instead of consuming energy this one actually produces. it’s your main source of food to the plants and it’s also completely under your control so one less safety issue on your food chain. preparing food for plants involves a container (composter) that creates a controlled environment but also involves that you take care of his environment. composting on a city normally means inside of your apartment or can also be outside. what it’s always a constant is that before the composter been transformed in humus is food for many living beings. rats, coaches, ants, cats and dogs all of them feed the tasty smell of rotten food in miles. that’s why at refarm we make composters in containers.

we will document here 3 ways of composting. they can make humus very fast and are easy of maintain. will give you some notes on caring but it’s the experience that make it work.

one common mistake is after you are used to put inside the composter all your organic leftovers, one day you have 5 people dinner at your house and them you what to put all those leftover inside it. a composter it’s not a trash bin, like a living organism you must feed correctly and a bit everyday. one trick is have more than one composter, you use one and have the others on “processing”, and you can always divide the organic input to all of them so you are more prepared to throw parties :)

in every one of them you must regular look to some indicators: smell, must smell good, the smell of fresh soil.. if doesn't something is wrong. you probably added too much of something. the temperature is also an important indicator. a composter should have a regular temperature (walls isolation, sun or shadow depends where you live and where you can put it) the core temperature should oscillate between 50-65º. if it goes higher then 75 you start to kill some helpful microorganism. between 20º - 40º it will run slower. under 15º wont work and under 0º you’ll freeze it. moister is also very important inside a composter. in general should be between 50% and 80%

one subproduct of the composter is a liquid that forms during the food decomposition. collect it, add water 1:4 and water your plants with it. it’s a liquid fertilizer for free.

Personal tools

I - built soil
II - farm containers
III - seeds
IV - watering systems
V - electronics
VI - software tools
VII - sensors and actuators
VIII - tools
IX - collective urban farms