Question: Are those over-the-counter soil tests any good? Photo: Chiot's Run (http://www.flickr.com/photos/chiotsrun/) Answer: While using an over-the-counter soil test is much better than doing no soil test at all, it's typically much more accurate and as cost-effective to send your soils to a soil testing lab. Many state universities have soil testing labs. There are … Continue reading How best to test soil
Question: How can the average consumer spot nutrient deficiencies in everyday produce? Is there an app for that? A book for that? Scientific papers? Ideal search terms? Photo of fresh produce courtesy of Bill Couch (http://www.flickr.com/photos/wcouch/) Answer: There are several types of visual clues about nutrient deficiencies in plants. We’ll break this answer down into … Continue reading How can consumers spot nutrient deficiencies in produce?
Question: Is there a correlation between the extreme cold weather we've been having and this year’s growing season? Photo: karmablue (www.flickr.com) Answer: After this winter, everyone is asking about the next season. The often-asked question is whether a cold winter is related to a cold spring and summer. The very simple answer is not really; … Continue reading What does this winter’s extreme cold mean for the growing season?
Question: How much soil is there on Earth to support the needs of people for food, clothing, fuel, and shelter? Answer: It's probably less than you think. Watch this video by Dr. Dirt (a.k.a., Clay Robinson) to find out. Have a question for Soils Matter? Post it as a comment below, or email us at … Continue reading How much soil exists on Earth?