Tag: potassium deficiency
Louisiana Soybeans: In-Season Potassium Deficiency Management Jun 21, 2022
Potassium deficiency symptoms in soybean first appear as irregular yellowing on the edges of K deficient leaves and can occur as early as at the V3 vegetative stage (three trifoliolate […]
Arkansas Rice: Watching for Post-Flood Potassium Deficiency Jun 18, 2022
Much of the rice in the state has now gone to flood, and the majority of remaining acres will be getting there quickly. A common issue that we see every […]
Texas Blacklands Cotton: Foliar Diseases and Premature Defoliation an Arising Issue Aug 24, 2021
GENERAL A much-needed rain for cotton came this past weekend and the first part of this last week and should provide enough moisture to finish out the cotton crop. The […]
Louisiana Cotton: Diagnosing In-Season Potassium Deficiency Aug 20, 2021
Potassium (K) is the second most critical nutrient after nitrogen (N) for cotton production. Potassium deficiency can cause significant lint yield reduction with reduced fiber quality. Cotton experiences K deficiency […]
Arkansas Rice: Time to Address Nutrient Management Jun 29, 2021
It’s finally getting hot and dry and feeling like summer. Mosquitoes are showing up with a vengeance this week and that topic seems to come up in every phone call. […]
Louisiana Soybeans: Diagnosing In-Season Potassium Deficiency Jun 23, 2021
Potassium (K) deficiency can decrease more than 50% soybean yield across soil types that range from sandy loam to clay loam. Potassium deficiency symptoms in soybean first appear as irregular […]
Alabama Cotton: K Deficiency and Related Foliar Diseases Aug 10, 2020
Over the past few weeks we’ve observed several cotton fields with Stemphylium leaf spot. The ultimate cause is a depletion of potassium (K) in leaf tissues. Potassium is rapidly exported from leaves […]
Ohio Corn, Soybeans: Are You Suffering Potassium Deficiency? Jul 8, 2020
Potassium deficiency symptoms of corn and soybean include yellowing/browning of lower (older) leaves with edges exhibiting symptoms first. Potassium deficiency symptoms can indicate low soil test potassium (K), but may […]
Texas Blacklands Cotton: Spider Mites, Bollworm Moth Numbers Rising Jul 7, 2020
GENERAL Cotton across the area is growing nicely and some of our earliest planted fields are in peak bloom, and the rain early last week was timely. Insect activity has […]
Louisiana Soybeans: Managing In-Season Potassium Deficiency Jun 26, 2020
Potassium (K) is the second most yield limiting nutrient in soybean. Even though nitrogen (N) is the most limiting nutrient, soybean plant meets its own N requirement through biological N-fixation. […]