CONTEXT During a dry winter, soil nitrogen mineralization rate can be reduced. As a consequence, once the season starts and even if soil moisture is …
Should I Spray Nitrogen Early Season?
Tag: Dualex
Crop Coefficient (1): plant-based vs. vineyard based
Early in the growing season, particularly in June of 2017, Northern California experienced a series of heat waves. The combination of hotter and drier days, …
Leaf area and yield: Achieving vine balance
Managing vine balance is a key challenge for winegrowers in variable weather conditions. How do we balance vine productive capacity and fruit weight to achieve …
Napa 2016: Analysis of climate conditions before bud break
As we are now seeing bud break at many California vineyards, it is important to compare the climatic conditions this year with prior years in …
Measuring vine nitrogen uptake after a wet winter
Coming out of a long period of drought, many vineyards have expressed optimism about the impact of the rain on yield and groundwater levels. However, …
Following the timing of vine nitrogen absorption
Nitrogen absorption is one of the key contributors to vine vigor and fruit quality. While nitrogen deficiency can limit vine growth, excessive nitrogen could lead …