Calcium deficiency-Soya bean

Symptômes
Ca deficient plants show reduced leaf expansion, primary leaves are often cup-shaped when emerged. Brown spots on young leaves and premature leaf senescence occur.

Raisons
Calcium deficiency Calcium deficiency is most common in acid, sandy soils low in organic matter.

Symptômes
Ca deficient plants show reduced leaf expansion, primary leaves are often cup-shaped when emerged. Brown spots on young leaves and premature leaf senescence occur.

Raisons
Calcium deficiency Calcium deficiency is most common in acid, sandy soils low in organic matter.

Symptômes
Small brown spots, coalescing to interveinal necrosis on young leaves, and premature leaf senescence occur due to calcium deficiency.

Raisons
Calcium deficiency Calcium deficiency is most common in acid, sandy soils low in organic matter.

Symptômes
Interveinal chlorosis on younger leaves due to calcium deficiency.

Raisons
Calcium deficiency Calcium deficiency is most common in acid, sandy soils low in organic matter.

Symptômes
Striking leaf symptoms due to Ca deficiency: drop-like, whitish to bluish spots occur on the leaf blade. Necroses of the same color expand along the leaf margin.

Raisons
Calcium deficiency Calcium deficiency is most common in acid, sandy soils low in organic matter.