Nutrients

N Nitrogen
P Phosphorus
K Potassium
Mg Magnesium
Ca Calcium
S Sulphur
B Boron
Cu Copper
Fe Iron
Mn Manganese
Zn Zinc

Strawberry - Discolouration

Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.

Reasons
Nitrogen deficiency Sulfur and molybdenum deficiencies show similar symptoms.

Strawberry - Chlorosis

Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.

Reasons
Nitrogen deficiency Sulfur and molybdenum deficiencies show similar symptoms.

Strawberry - Chlorosis

Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and become smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.

Reasons
Nitrogen deficiency Yellowing occurs also with sulfur or molybdenum deficiency.

Strawberry - Chlorosis

Symptoms
Symptoms begin at the mature leaves. At first leaves turn pale green. With progressing deficiency they turn uniformly yellow and stay smaller. As leaves age their margins and stalks turn reddish and leaf blades become red.

Reasons
Nitrogen deficiency Yellowing occurs also with sulphur or molybdenum deficiency.

Strawberry - Chlorosis

Symptoms
Symptoms begin at the mature leaves. At first the lower leaves get pale green. With progressing deficiency they turn uniformly yellow to reddish. Necrotic blotches occur on the leaf blades. Growth is severely stunted.

Reasons
Nitrogen deficiency Yellowing occurs also with sulphur or molybdenum deficiency.

Nitrogen deficiency made worse by

  • Low or high pH soils
  • Sandy or light soils (leaching
  • ) Low organic matter
  • Drought conditions
  • High rainfall (leaching) or heavy irrigation
  • Addition or high levels of non-decomposed organic matter/manure (eg straw)
  • Fast growing crops

Nitrogen is important for

  • Improved crop development
  • Increased yield
  • Improved fruit quality

Yara recommended fertilizers for Nitrogen

YaraVita SAFE-N 300

YaraVita SAFE-N 300

Strawberry (Field Grown): 5 to 10 l/ha before flowering. Repeat if necessary after fruit set. Water rate: 500 l/ha.

Read more about YaraVita SAFE-N 300

YaraLiva CALCINIT

YaraLiva CALCINIT

Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.

Read more about YaraLiva CALCINIT

Other recommended products

YaraVita SENIPHOS
Strawberry (field grown): Non-everbearing varieties, 3 applications of 10 l/ha from start of flowering. Repeat applications at 7-10 day intervals. Everbearing varieties, divide a total rate of 30 l/ha into 6 applications of 5 l/ha. Do not apply successive applications at intervals of less than 10-14 days. Water rate: 500 l/ha.
YaraTera KRISTA K PLUS
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTA MAG
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTA MAP
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTALON BLUE LB
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTALON GREEN LB
Strawberry (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced for protected crops using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera KRISTALON RED
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.
YaraTera MAGNITRA L
Strawberries (fertigated): Crop specific recipes for 2 tank (A & B tank) systems can be produced using the Yara Fertigation Plan, for more details contact your local Yara area manager.