玉米 - Growth retardation
症状
Slight manganese undersupply produces hardly any visible symptoms. Severely affected plants show pale foliage with flaccid growth form. The leaves become chlorotic with white interveinal streak leasions.
原因
Mild manganese deficiency
Manganese deficiency使变得更糟
- Organic soils
- Sandy soils
- High pH
- Cold wet periods
- Fluffy soils
锰很重要
- Development of maximum green leaf area
- Healthy growth of young plants
