THRIVING after the FALL

The Index · A subject

Land and its measure

How much ground a household and a village need, and what each hectare is for.

3 documents · 3 chapters · 17 rows

In the chapters

Documents 3

In the log 17

  • 10 confirmed
  • 2 amended
  • 2 partly confirmed
  • 3 unresolved
  • 1 marked for safety
  • G10 amended Safety The Rieselfelder soils are contaminated with cadmium, lead and other metals and much of the land is still unsafe for food crops; Hobrechtsfelde is grazed to keep metals …
  • H28 confirmed Beech forest 10 to 11 m³/ha/a; coppice on sand 7; a hectare and a bit or a hectare and a half per family; 90 to 115 ha per village of 300
  • 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 …
  • G13 amended Brandenburg soils are Pleistocene glacial sands, Arenosols, rated 25 to 40 Bodenpunkte; the scale runs 7 to 100, set by the Reichsbodenschätzung of 1934, with 100 at the …
  • G23 unresolved Own arithmetic: top 20 cm of a hectare of sand about 3,000 t (bulk density 1.5); 1 % humus = 30 t, about 17 t C; 1 point in ten years on 100 m² needs about 200 kg …
  • F56 confirmed Flail ~20 kg/h; winnowing air 3–4.5 m/s; EROEI budget (130 h/acre, 490 kcal/h, 16,204 MJ/acre, 58:1; horses 6 h, oxen 10 h; feed 80/60 MJ/d; 0.28/0.37; 15 acres; "starve …
  • F57 confirmed Elsholtz 1623 to 1688, Vom Garten-Baw 1667 (133 gives 1666); Reichart 1685 to 1775, Land- und Gartenschatz six volumes 1753 to 1774; Werder as Berlin's market garden; …
  • 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 …
  • O30 unresolved Half a hectare = 20–30 standards = a family's fruit
  • B58 confirmed Bone meal: spent bones burned in a wood fire to white and crumbling (needs >600 °C; 62 gives calcination stages), pounded and sieved; bone ash ~a third P2O5 (62's "up to …
  • 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 …
  • J35 partly confirmed 131's village: 60 households, 300 people, ~3,450 acres, five specialist households (smith, miller/baker, cheesemaker/herdsman, wright, forester/collier); surplus ratio …
  • J36 confirmed Ch 8's village: 75 households, 40 cows, 80 ha Luch; "the same village"; the specialists set the threshold, not the land
  • 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, …
  • J38 confirmed Hufe in Brandenburg 30–60 Morgen (8–15 ha); a village of 40 Hufen = 400–600 ha of field plus as much wood and Luch; 131's 3,450 acres is the historical village at …
  • J45 confirmed Honest Broker's findings: 117 half-cited to library PDF 24, diet from fitness blogs, calories from a protein shop, pasture short for its goats at low yield; 131 from …