THRIVING after the FALL

The Index · A subject

Seed

Saving, storing and testing seed, so that next year's garden is already in the drawer.

6 documents · 1 chapter · 30 rows

In the chapters

Documents 6

In the log 30

  • 18 confirmed
  • 3 amended
  • 3 partly confirmed
  • 6 unresolved
  • 3 marked for safety
  • G5 amended Safety Immature compost carries ammonia, acetic, propionic and butyric acid and kills seedlings; cress germination index 60 % usable, 80 % clean; phytotoxicity gone by day 56 …
  • F10 amended Safety Chickpea Ascochyta at 1.1 mm rain; do not save seed from affected plants; thiram/copper dressing kills inoculant
  • F71 amended Safety Tomato seed ferment 24 to 72 h, never over 72 (sprouting), pH 3.8 to 4.2; hot-water seed treatment 50 °C (value lost, standard) 20 min brassica, 25 min carrot and …
  • W41 confirmed Rapeseed warmed to 90 to 110 °C (smells of toast, breaks between the fingers); cold-pressed under 45 °C gives about half; seed dried a day or two; wet seed foams
  • W42 confirmed Rapeseed about 40 to 45 % oil; a wedge press recovers about two thirds; 3 to 4 kg seed per litre; a family of four uses about 30 l a year, 100 kg of seed, a twelfth of a …
  • G37 confirmed Blue lupin fixes 150 to 180 kg N/ha, about 80 % Ndfa, peak about 110 days after sowing, taproot 2.5 to 3 m, 70 to 100 plants/m², acid sand pH 5.0 to 6.8; white and …
  • G38 confirmed Winter rye plus hairy vetch sown by mid-September; winter cover cuts N leaching 39 to 54 %; crimp at rye anthesis and vetch full bloom in late May, before 50 % anthesis …
  • F18 confirmed Rye allelopathy suppresses small seeds for weeks; carrots two years from rye; fresh dung forks carrots
  • F20 confirmed Lupin sowing mid-Mar–early Apr, 70–100 plants/m², Haags Blaue 8.4 g/100 seeds → ~7 g/m²
  • 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
  • F34 unresolved Saatgutverkehrsgesetz forbids sale of unregistered varieties; Directive 2008/62/EC conservation varieties; farm-saved seed ~50 % of German cereal seed with Nachbaugebühr
  • F37 unresolved Black bean: sow second half May, 5–8 cm in-row, heat at anthesis −50–71 % seed, Rhizobium phaseoli not native
  • F41 confirmed Tomato seed fermentation 2–3 days
  • 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 …
  • F58 confirmed Onion bulbs at 14.0 to 14.5 h daylength (late April at 52°N), needs 8 to 12 leaves by 21 June; from seed sown 15 March to 5 April: 140 to 160 days, bolting under 1 %, 1 …
  • F72 confirmed Reichart's Saamen Cabinet 1753; Quedlinburg seed houses Grashoff 1771, Mette 1784, Gebrüder Dippe 1850, David Sachs 1878; Schreiber's 'Saxa' 1914, 'Konservenkönigin' …
  • F74 confirmed Linum rice trial: 2021 drilled crop lost to frost; 2023 3.5 ha, 326,000 greenhouse seedlings, waterfowl took up to 40 %, combines sank
  • F75 confirmed Flax after rye in Thaer's 6 to 7-year rotation with lupin or serradella; seed 130 to 150 kg/ha, 1.0 to 1.5 cm, rows 7.5 to 10 cm, 1,800 to 2,200 stems/m², weed once at 5 …
  • F77 confirmed Second-round disagreements printed in the Broker's paragraph: onion consumption 30 (132) vs 12 kg/person (134); curing 14 to 21 (132) vs 10 to 14 days (134); onion seed …
  • O13 confirmed Standard on wild/seedling root: first fruit ~8–10 yr ("up to a decade"), life 80–120 yr, carbon peak at 18 yr; dwarf orchards replanted every 15–25 yr
  • O15 confirmed Apple gametophytic self-incompatibility; seedlings never true; Tian Shan / Malus sieversii; Silk Road
  • O21 confirmed Bittenfelder Sämling standard seedling rootstock; Antonovka drought/cold
  • A19 partly confirmed Rapeseed ~40 % oil, home screw press recovers about a third of seed weight; 70 kg oil = 250 kg seed = 0.1 ha of best sand; flax and hemp lower and rancid faster; blue …
  • A33 confirmed Family of four on sand: garden 1,000 m², rye 1,200 + seed, potatoes 150 + 550 for pig, lupin fifth of arable, orchard 0.25 ha, pasture 1.2, meadow 0.6, heifer 0.9, pig …
  • M12 unresolved Columella, De re rustica VII.8: rennet from lamb or kid, fig sap, thistle flowers, safflower seed
  • J13 partly confirmed Buffers: 200 kg rye and 400 kg lupin to hens, 35 % drought/blight, 10 % seed/spoilage; net ≈ 5,440,000 kcal ≥ 4,000,000; "a subsistence model cannot rely on emergency …
  • J14 unresolved Kitchen arithmetic (own): 340 kg rye to the kitchen → ~280 kg flour at 80–85 % extraction → ~400 kg bread → a large loaf a day; 4,000 kg potatoes less 400 seed and 1,000 …
  • J16 partly confirmed 131's 60–80 acres (24–32 ha) per household of five rests on medieval yields: seed 1:4–1:5, 5–7 bushels/acre, 20–25 % seed, 20 % rodent loss, 10 % tax, 10 % tithe; gap to …
  • J21 unresolved Hay: a mower with a peened scythe cuts about a third of a hectare of grass a day; rye 0.2 ha: two days cutting with cradle and binder, one day stooking, a dry week in …
  • J37 confirmed Book's own village of 300 on sand with modern seed: 75 × 1.5 ha = 112 ha arable/clover; 75 × 1.5 ha coppice = 112 ha + smith's 10; 80 ha Luch; oxen 10 ha; green, pond, …