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Sulphur Deficiency

Occasionally nitrogen deficiency may be confused with sulphur deficiency. Sulphur deficiency symptoms will be very similar to nitrogen deficiency symptoms in appearance except they occur on the plant. Sulphur is a somewhat immobile nutrient in the plant and thus the deficiency symptoms develop in the young leaves and organs first, generally in or near the top of the plant. Remember, nitrogen deficiency shows up on older tissue first, then moves up the plant. Sulphur deficiency is similar in appearance but shows up on the younger tissue first. Sulphur deficiency should be suspected when nitrogen deficiency symptoms develop in or near the top of plants growing in low organic matter soils or in areas recently land-formed. Soil testing and sound soil fertility is the proper sulfur management routine.

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Dry cotton plants grow in rows in a field.
Filed Under: Crops, Cotton, Forages August 29, 2024

This summer has not just felt hot and dry; close to half the state is in moderate to severe drought, and temperatures have been mostly in the 90s through all of August.
Mike Brown is the state climatologist and Mississippi State University professor of meteorology. He said much of the northern two-thirds of the state has been fluctuating between drought and being OK.

A peanut agronomist shows a group of people a disease-infested peanut plant.
Filed Under: Agriculture, Corn, Cotton, Soybeans, Field Scale Crop Assessment with Drones, Spray Drones, Types of UAS August 7, 2024

STARKVILLE, Miss. -- Producers got a behind-the-scenes look at the wide scope of agricultural research taking place at Mississippi State University in an Aug. 6 event.

A cluster of small plants have green leaves on reddish stems.
Filed Under: Cotton June 11, 2024

Cotton planting has all but drawn to a close in Mississippi for the year, with the state seeing an increase to an expected 500,000 acres in 2024. The U.S. Department of Agriculture made that acreage estimate and said the crop was 94% planted by June 9, 2024. Of that acreage, 80% was either in good or excellent condition, with 19% in fair and just 1% in poor condition.

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Portrait of Dr. Brian K. Pieralisi
Assistant Professor