Zinc deficiency-Soybean

Symptoms
Zinc-deficient plants show chlorotic interveinal areas on younger leaves. With ongoing deficiency, necrosis develops on the concerned tissue. Finally, entire leaves may turn brown or gray and drop off.

Reasons
Zinc deficiency. The tolerance of Zn deficiency varies strongly between different soybean cultivars.

Soybean - Chlorosis

Symptoms
Younger leaves of Zn-deficient plants show interveinal chlorosis and necrotic brown leaf veins.

Reasons
Zinc deficiency. The tolerance of Zn deficiency varies strongly between different soybean cultivars.

Zinc deficiency made worse by

Organic soils
High pH soils
Soils rich in phosphorus
Soils receiving high phosphorus application
Cold wet conditions

Zinc is important for

Correct functioning of enzymes
Better synthesis of nucleic acids
Improved auxin (plant hormone) metabolism

Yara recommended fertilizers for Zinc

YaraVita® GLYTREL™ZnP

Soybean: 1 to 2 l/ha as early in the growing season as possible, provided there is adequate leaf cover to intercept the spray. Repeat as necessary at 10 to 14 day intervals up to the start of flowering. Water rate: 30 to 200 l/ha. Soja: 1-2 l/ha en début de saison dès que la surface foliaire est suffisamment développée. Répéter à 10 à 14 jours d'intervalle si nécessaire plus tard au stade début floraison. Volume d'eau: 30 à 200 l/ha.

Read more about YaraVita® GLYTREL™ZnP

Other recommended products

YaraVita® OPTITREL™

Soya bean: 1 to 3 l/ha as early in the growing season as possible, provided there is adequate leaf cover to intercept the spray. Water rate: 30 to 200 l/ha. Soja: 1 à 3 l/ha appliquer dès que la surface foliaire est suffisamment développée. Répéter à 10 à 14 jours d'intervalle si nécessaire. Volume d'eau: 30 à 200 l/ha.