谷物 - Spots
症状
In the present case, a mature leaf exhibits irregular light brown lesions, bordered by a dark brown margin.
原因
Zinc deficiency
谷物 - Growth retardation
症状
Affected plants are paler in colour than normal and the leaves have a purplish tint. Necrotic spots (often light brown with dark margin) occur on the older leaves.
Growth is also reduced due the affect of zinc on chlorophyll function. Internodes are shortened.
原因
Zinc deficiency
谷物 - Chlorosis
症状
Medium leaves show interveinal chlorosis.
原因
Zinc deficiency on durum wheat
Zinc deficiency使变得更糟
- Organic soils
- High pH soils
- Soils rich in phosphorus
- Soils receiving high phosphorus application
- Cold wet conditions
锌很重要
- Increased fertility (number of grains per ear)
- Better grain quality
对于锌雅苒推荐的产品是
YaraVita GRAMITREL
Cereals: 1 to 3 l/ha from the 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Repeat applications at 10 to 14 day intervals, within this timing, if necessary. For autumn sown crops, an application prior to winter dormancy may also be beneficial. In addition, 1 l/ha from second node detectable to flag leaf fully emerged (Zadoks G.S. 32 to 39). Water rate: 50 to 200 l/ha. Seed Dressing: 3 to 6 litres per tonne.
阅读更多关于YaraVita GRAMITRELYaraVita MANCOZIN
Cereals: 1 l/ha at 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Water rate: 200 l/ha. For severe deficiency, increase to 2 l/ha or repeat at the above rate. For autumn-sown crops, an application prior to winter dormancy is strongly recommended. Seed Dressing: Typically 3 litres per tonne. Rate can be increased up to 6 litres per tonne if necessary.
阅读更多关于YaraVita MANCOZINYaraVita ZINTRAC 700
Cereals: 1 l/ha from 2 leaf stage to second node detectable (Zadok's G.S. 12 to 32). Also, 0.5 l/ha from ear fully emerged to the end of flowering (Zadok's G.S. 59 to 69). Water rate: 50 to 200 l/ha. Seed Dressing: Typical rate: 3 litres per tonne. Increase up to 8 litres per tonne if necessary.
阅读更多关于YaraVita ZINTRAC 700
