Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Figure 1. Interveinal Chlorosis in Sussex County Fields As our corn fields have advanced from the V3 to V4 stage, strong visual patterns of chlorosis (yellowing) and interveinal stripes have appeared (Figure 1). This… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Apart from recommended NPK fertility programs, growers of cabbage, broccoli, cauliflower, Brussels sprouts, kale, and collards need to pay attention to sulfur, calcium, and boron in their cole crop fertility programs.… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Sulfur is considered one of the secondary macronutrients that vegetable crops require for growth. Sulfur is a component of four amino acids and is therefore critical for protein formation. It is also… Continue Reading
Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu and Cory Whaley, Sussex Co. Extension Ag Agent; whaley@udel.edu This is the typical time of year for sulfur (S) deficiencies to show up in our corn fields, starting in the V3-V5 growth stages. Sulfur… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu In the last few weeks several sweet corn fields as well as some watermelon and even a few tomato fields have been found with sulfur deficiencies (Figs. 1 and 2). In… Continue Reading
