Avoiding Potassium Deficiency in Cotton

Avoiding Potassium Deficiency in Cotton

Every year, I see more potassium (K) deficiency in cotton. This isn’t surprising, since yields have increased with modern cultivars and yield expectations (Fig. 1). The bolls we’re asking plants to carry is a lot higher than they used to be. Keep in mind that K is...
Foliar Fertilizer Applications for Cotton

Foliar Fertilizer Applications for Cotton

Michael J. Mulvaney UF/IFAS Cropping System Specialist, and Glen Harris UGA Soil Specialist With the frequent rains this summer, it’s been wet. You may not have been able to get into fields for timely topdress fertilizer applications on your cotton. If you’re still...