Gesamtlänge aller Episoden: 1 day 9 hours 47 minutes
We always used to be able to say that there were no GMO garden seeds. That's still true in most of the world but, in the U.S., gardeners can now buy seeds for the genetically engineered, high-antioxidant Purple Tomato.
A recent study claimed that urban-grown fruits and vegetetables had a carbon footprint six times that of those from conventional farms. Rants ensued.
For the last 15 years, gardeners have been told that soil acts like an antidepressant, thanks to a particular bacterium. Is there anything to it?
It can do great things on farms, but does crop rotation make sense in a garden? What are the benefits claimed for crop rotation, and can we get those same benefits in easier ways?
Do nutrients really specialize in one aspect of plant growth, like roots or shoots? Why adding more of one nutrient to your soil, like phosphorus-heavy bloom boosters, often don't provide any benefit.
Are you using a balanced fertilizer in your garden? It may seem like a simple and effective way to provide nutrients to your plants, but it could also cause problems for your soil and for the environment.
Most countries use a confusing and outdated NPK labelling system for fertilizer packages. What do the numbers mean? Depending on where you live, it's probably not what you think. And why is a "balanced fertilizer" not so balanced after all?
Our plants can't live without them, but how do we know that they're getting them? Do we need to feed them to our plants? And what are these essential nutrients?
Not everyone wants them in their garden, but others grow them deliberately. They aren't even plants. So what are mushrooms and are they okay around our plants?
What kinds of soap should we be using -- or avoiding -- in the garden? What about liquid dish soap? And we're all familiar with soap, but what is it, exactly?