Agriculture and Horticulture Development Board(2026)
Nitrogen supply, demand and utilisation in barley — AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.” · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.” · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.” · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.” · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.” · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”. · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”. · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”. · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”. · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”. · AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley · Nitrogen supply, demand and utilisation in barley — — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
Context, roluri și localizări (12)
- BBCH 21. Înfrățire–înainte de GS31, condițional: orz de toamnă de la mijlocul lunii martie — absorbția N asociată dezvoltării coronamentului prin apariția frunzelor și înfrățire Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 25. Înfrățire–înainte de GS31, condițional: orz de toamnă de la mijlocul lunii martie — absorbția N asociată dezvoltării coronamentului prin apariția frunzelor și înfrățire Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 30. Înfrățire–înainte de GS31, condițional: orz de toamnă de la mijlocul lunii martie — absorbția N asociată dezvoltării coronamentului prin apariția frunzelor și înfrățire Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 31. GS31–GS39 (numai condițional pentru orzul de toamnă) — absorbția azotului în cultura de orz de toamnă, asociată creșterii coronamentului prin apariția frunzelor și supraviețuirea fraților Localizare: Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.”
- BBCH 37. GS31–GS39 (numai condițional pentru orzul de toamnă) — absorbția azotului în cultura de orz de toamnă, asociată creșterii coronamentului prin apariția frunzelor și supraviețuirea fraților Localizare: Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.”
- BBCH 41. GS39–GS59 (numai condițional pentru orzul de toamnă) — absorbția azotului în fereastra GS39–GS59 Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”.
- BBCH 55. GS39–GS59 (numai condițional pentru orzul de toamnă) — absorbția azotului în fereastra GS39–GS59 Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”.
- BBCH 65. GS60–recoltare (numai condițional pentru orzul de toamnă) — redistribuirea azotului din frunze și tulpini către proteinele din boabe Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 71. GS60–recoltare (numai condițional pentru orzul de toamnă) — redistribuirea azotului din frunze și tulpini către proteinele din boabe Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 75. GS60–recoltare (numai condițional pentru orzul de toamnă) — redistribuirea azotului din frunze și tulpini către proteinele din boabe Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 89. GS60–recoltare (numai condițional pentru orzul de toamnă) — redistribuirea azotului din frunze și tulpini către proteinele din boabe Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- Înfrățire–înainte de GS31, condițional: orz de toamnă de la mijlocul lunii martie. Pentru orzul de toamnă, AHDB raportează în fereastra de la mijlocul lunii martie până la GS31 o rată-reper agregată de absorbție de 1,2 kg N/ha/zi și 65 kg N/ha absorbiți cumulativ până la GS31. Contextul poate fi asociat etapelor canonice de înfrățire și început de alungire numai dacă acestea cad în fereastra sezonieră a orzului de toamnă; nu este o măsurare la BBCH 21, 25 sau 30, o normă de fertilizare ori o afirmație despre orzul de primăvară. absorbția N asociată dezvoltării coronamentului prin apariția frunzelor și înfrățire Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 21. Începutul înfrățirii: primul frate detectabil Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 25. 5 frați detectabili Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- BBCH 30. Începutul alungirii tulpinii: pseudotulpina și frații erecți, primul internod începe să se alungească, vârful inflorescenței la cel puțin 1 cm deasupra nodului de înfrățire Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”
- GS31–GS39 (numai condițional pentru orzul de toamnă). În fereastra GS31–GS39 a orzului de toamnă, AHDB raportează ca repere agregate ale ferestrei o rată de absorbție de 3,1 kg N/ha/zi și o absorbție cumulativă de 128 kg N/ha până la GS39. Aceste valori descriu absorbția culturii de orz de iarnă în fereastra-sursă: nu sunt rate BBCH individuale, recomandări normative sau doze de fertilizare și nu se generalizează la orzul de primăvară. Cererea este prezentată calitativ numai la codurile BBCH observate 31 și 37. absorbția azotului în cultura de orz de toamnă, asociată creșterii coronamentului prin apariția frunzelor și supraviețuirea fraților Localizare: Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.”
- BBCH 31. Primul nod la cel puțin 1 cm deasupra nodului de înfrățire Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.”
- BBCH 37. Frunza stindard abia vizibilă, încă rulată Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.”
- GS39–GS59 (numai condițional pentru orzul de toamnă). Pentru orzul de toamnă, AHDB raportează în GS39–GS59 o rată de absorbție de 1,8 kg N/ha/zi și 163 kg N/ha absorbiți cumulativ până la GS59. Sunt repere pentru fereastra și cultura din sursă, nu valori individuale la BBCH 41 sau 55, doze de fertilizare ori norme pentru orzul de primăvară. absorbția azotului în fereastra GS39–GS59 Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”.
- BBCH 41. Începutul stadiului de burduf: teaca frunzei stindard se alungește Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”.
- BBCH 55. Mijlocul înspicării: jumătate din inflorescență ieșită Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”.
- GS60–recoltare (numai condițional pentru orzul de toamnă). După apariția spicului, AHDB descrie la orzul de toamnă absorbție nouă relativ mică de N și redistribuirea N din plantă pentru formarea proteinelor din boabe. Rădăcinile pot continua absorbția după înflorire dacă solul este umed și conține azot mineral; sursa nu indică o doză sau o cantitate nouă pentru fiecare cod BBCH. redistribuirea azotului din frunze și tulpini către proteinele din boabe Localizare: Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 65. Înflorire deplină: 50% dintre antere mature Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 71. Maturitate apoasă: primele boabe au atins jumătate din dimensiunea finală Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 75. Laptele mijlociu: conținutul boabelor lăptos, boabele au atins dimensiunea finală, încă verzi Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- BBCH 89. Complet matur: boabe tari, greu de divizat cu unghia Localizare: Nitrogen supply, demand and utilisation in barley — https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley — Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”.
- Localizare: AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley Heading “Pattern of nitrogen uptake (winter barley)”, subsection “Mid-March to GS31”; benchmarks “Rate of N uptake = 1.2 kg/ha/day” and “Total uptake = 65 kg/ha by GS31”; opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.” https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley
- Localizare: AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley Opening statement “Unless adequate nitrogen (N) is made available, shoot numbers and yield will be restricted in barley.”; heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS31 to GS39”; benchmarks “Rate of N uptake = 3.1 kg/ha/day” and “Total uptake = 128 kg/ha by GS39”; statement “Rapid N uptake continues as canopy size increases through leaf emergence and tiller survival. N uptake by the crop determines canopy size, primarily by affecting shoot number.” https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley
- Localizare: AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS39 to GS59”; benchmarks “Rate of N uptake = 1.8 kg/ha/day” and “Total uptake = 163 kg/ha by GS59”. https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley
- Localizare: AHDB knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley Heading “Pattern of nitrogen uptake (winter barley)”, subsection “GS60 to harvest”; paragraph beginning “After ear emergence, relatively little N is taken up”. https://ahdb.org.uk/knowledge-library/nitrogen-supply-demand-and-utilisation-in-barley