GROWING MEDIA BETTER
- pH Meter Calibration And Sample Preparation For In-House Testing If you have a pH meter, how often should it be used? How do you use a pH meter? Calibrating the meter, preparing the sample and taking the measurement takes some time, but knowing the pH of the growing medium can help avoid crop problems.
- Grower Profile: Mesquite Valley Growers Nursery Mesquite Valley Growers Nursery in Arizona is proud to count on Premier Tech Horticulture's team for its specific needs. Find out why!
- Role of Zinc in Plant Culture Zinc (Zn), one of the essential micronutrients, is needed by plants in small quantities. The normal range for zinc in plant tissue is 15-60 ppm and in the growing medium between 0.10-2.0 ppm.
- Criteria for Adjusting Lime Content of Growing Media Growers may occasionally experience high pH problems with their growing media causing iron chlorosis in petunias and calibrachoa; or the pH being too low, causing iron-manganese toxicity in geranium and marigolds.