Has anyone tried using a terra preta (aka biochar) technique?.... I can get my hands on a regular supply of chicken poo and was wondering about mixing it with burnt weeds (the only way to dispose of bindweed that I have that works is to build a small fire in an incinerator and then chuck the bindweed in), however it wouldn't be too much of a stretch to get hold of more boichar by using a rocket stove burning pallet wood (I live in Swindon, my allotment is approx half a mile form my home, I ride my bike through three industrial estates to get there, I can get pallets...) I'd probably use a mixture of prunings and other "hard" waste like sweetcorn stalks... one thought I had was to use it in the greenhouse, I need to replace the top of the soil this year anyway, I'd rather grow in the ground for my tomatoes and peppers, if nothing else it simplifies the watering arrangement massively but after a while the soil becomes less productive growing the same crop..... the old greenhouse soil will go onto where the potatoes are this year as they're the same group of plants
