Is your tap water suitable for plants? Unless you know something about both hardness and alkalinity, you can’t tell if…
Nitrogen is one of the most important nutrients for plants because it is almost always in short supply. The amount of…
In the good old days, commercial potting soil (media) contained no added fertilizer. Today, more and more products contain…
Gardeners normally talk about “teaspoons” of fertilizer when they make up fertilizer solutions, which leads to…
Many gardeners have noticed that grass is greener and plants look healthier after a good rain. They conclude that rainwater…
Gardeners claim that nitrogen levels in the soil increase after rain. Water floating down through the air picks up nitrogen…
Greensand is an organic fertilizer that has been around for many years but it has never become popular except in certified…
Can you use too much compost? If you believe what you read, compost is the best thing for your garden. If that’s true…
How much fertilizer do you use? In North America, it is common to reply with something like “1/8 tsp of a 20-6-12…