Barības vielas
Eļļas rapsis - Growth retardation
Simptomi
Nitrogen deficiency is characterized by reduced vigor, smaller leaves and pale green or yellowish leaf color. Growth is strongly restricted and the stand looks more loose than normal. Reduced flowering.
Iemesli
Nitrogen deficiency
Eļļas rapsis - Growth retardation
Simptomi
Nitrogen deficiency is characterized by reduced vigor, smaller leaves and pale green or yellowish leaf color. Sometimes a purple discoloration, mainly on mature leaves, may occur.
Older leaves senesce prematurely.
Iemesli
Nitrogen deficiency
The purple leaf color is similar to the discoloration caused by P, Mg, B or S deficiency.
Nitrogen deficiency pasliktinās no
- 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
Slāpeklis ir nozīmīgs priekš
- Improved crop development
- Increased yield
Yara ieteiktie mēslošanas līdzekļi priekš Slāpeklis
YaraVita SAFE-N 300
Oilseed Rape: 10 to 20 l/ha at the 4 to 8 leaf stage. Also, 10 to 20 l/ha at the onset of stem extension. Repeat 10 to 14 days later if necessary. Water rate: 200 l/ha.
Lasīt vairāk parYaraVita SAFE-N 300
