Greenhouse Garden Tips: Soil Amendments & Nutrients
Importance of Soil Amendments & Nutrients in Greenhouse Gardening
A few years back my greenhouse tomato leaves were purple, yellow and spotted. Not all at once, but over time and on different leaves. It was the second year I was growing in my greenhouse and the commercial potting soil I bought was low on phosphorus, nitrogen and potassium. The leaves on the plants were telling me what was going on. And it didn’t look good.