Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu This project evaluated how planting timing and starter nitrogen (N) plus sulfur (S) applications influence early-season growth, nutrient uptake, and yield in corn. Corn was planted in April, May, and June with five starter N+S… Continue Reading
Jarrod O. Miller, Extension Agronomist, jarrod@udel.edu Quick Summary: Sulfur may be more available earlier in the season for Delaware soils. Adding S to starter may be important for fields planted later in May/early June. Sulfur (S) availability in soils is… Continue Reading
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
