Hi Waco,Normal lamps produce mostly heat and very little useful light that plants can use (PAR). Compact fluorescent lamps, and tubes in banks...
Hi Peter It`s good to question things, it`s the way things improve. The old vacuum flask is a good example, the vaccum is one of the best...
Hi Peter I think the perception of heat is relative to us humans. We might think -400F is pretty cold, but it`s still very capable of giving up...
Hi Walnut Greenhouses are designed mainly for light which makes them terrible for slowing down heat.These day`s, energy efficiency seems to be a...
Hi Peter,Anything warmer than absolute zero (-470F approx) will emit radiation.. people,plants and just about everything else. It is invisible...
Peter You should add some aluminium foil where you can (ie non glazed areas). Shiny side inwards facing the airspace. About 80% of your heatloss...
Hi David, It`s a trade off in reality. Less light but more insulation in winter. For shading you`d be better off with shade cloth as it doesn`t...
If it`s just for large scale weed control it may be easier to use a cda sprayer. They cost around �£100 new but you can sometimes pick them up...
The nozzles will give you a choice of spray patterns: fan, hollow or full cone are the usual ones. A simple row of holes in a pipe will deliver a...
Hi Hyla If you plan on using a 12v pump similar to a shurflo type, you could use standard black irrigation pipe (12mm-16mm dia) and install spray...
After paying �£10 for the privilege we`re still waiting for the garden waste bin to arrive. Early days yet though, it`s only been 2 years this...
Bush decided to make america non dependant on oil in the next 20 years mainly because by that time it`ll likely be too expensive to buy anyway....
Hi Gs The worms will be near the top of the heap, they need air to breathe. They work on the new stuff at the top as you put it in. You could...
Do we ultimately get a choice?One way or another it will eventually seem like a step back in time. It`s an absolute certainty we will run out...
Hi Geoff You`re right, it`s a no win situation.Our modern way of life is based solely on the use of fossil fuel,which is why we have the problem...
I don`t think anyone has the answers, most governments seem to bury their heads in the sand rather than deal with it ;)Everyone can make a...
I agree, the token effort is not going to make any difference. The bottom line is most wealthy countries (including ours) won`t give up their...
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