Seed Saving Volume Calculation

Used in

• Chapter 6 The Five-Year Conversation

The rows that check it

• 3 confirmed
• 1 amended
• 4 unresolved
• 1 marked for safety

• F1 amended Safety Ergot: alkaloids, gangrene/convulsions, St Anthony's fire; brine at ~1/6 salt (160 g/l) floats sclerotia, wash and dry at once; EU limit 0.5 mg/kg alkaloids in rye flour falling …
• F31 unresolved Rye sowing early–mid Sep, 180–240 seeds/m², TKW 30–40 g → 7–9 g/m²; landraces 100–150; formula S = PD×TKW/(10×V×E); late +10 %/week after 20 Oct
• F33 unresolved VERN e.V., Greiffenberg (Uckermark), >650 cereal provenances; five ryes named; Champagnerroggen pre-1900, 2 m, no fertiliser
• F34 unresolved Saatgutverkehrsgesetz forbids sale of unregistered varieties; Directive 2008/62/EC conservation varieties; farm-saved seed ~50 % of German cereal seed with Nachbaugebühr
• F35 unresolved Ha locus Pina/Pinb: both wild-type = soft (8–10 % protein, pastry), mutation = hard (12–15 %, bread); soft wheats spring-sown 300–350/m²; sprouting in wet August
• F51 confirmed Self-pollinators 1–2 m; rye 250–300 m (27 also "up to 200 m"); rye floor 100–200 plants; Hopkins ear-to-row 1908
• F52 confirmed Withhold rye 97 kg/ha good year, 180 bad year (scenarios A/B); 2.5 / 5 kg per 300 m²
• F53 confirmed Germination test 100 seeds 20 °C 7–10 d, fail <78–80 %; storage table 14 %/21 °C 200 d, 15 % 125 d, 17 % 20 d; Herrington halving; barn 95→88 % in 250 d; drying air ≤43–48 °C

In the Index

The field and the rotation Grain, flour and bread Seed Berlin and Brandenburg