Collaborazione
ARTE
BELLEZZA E BENESSERE
MESTIERE
CULTURA E STORIA
DIVERTIMENTO
AMBIENTE
CIBO E BEVANDE
INGEGNERIA INVERSA
SCIENZE
SPORT
TECNOLOGIA
INDOSSABILI
Onion: Grown from Seed Sown in the Field (USDA, 1896)
Field onions the way most American growers raised them in the 1890s: plough in autumn, harrow fine, drill about 4 lb of seed to the acre in rows 12 to 14 in apart, keep the wheel hoe going and weed by hand, then pull the crop when the necks turn yellow and cure it in windrows.
An Ohio grower averaged over 800 bushels an acre by this method in 1895.
Source: USDA Farmers' Bulletin 39, Onion Culture (1896), pp. 10-23. Picture: the bulletin's text on field sowing.
Intermedio
One growing season; curing 1 to 10+ days
Istruzioni
1
1
Plough in autumn
Plough in autumn
Plough in the fall, as late as possible, with any manure short enough to be turned fully under. On rich, loose soil 10 in or more deep there is little danger of ploughing too deep, but never turn up a stiff heavy subsoil.
Strumenti necessari:
Aratro a versoio2
2
Harrow fine and level
Harrow fine and level
Spare no work to make the soil thoroughly fine: use a disk harrow if there are many clods, alternating with the roller; finish with a plank drag to level and smooth the surface. Harrow it fit for sowing on the first day the soil is dry enough to work.
Strumenti necessari:
Erpice
Tavola3
3
Drill the seed
Drill the seed
Sow by hand or with a garden drill, first trialled on a clean floor to set the rate: about 4 lb of seed per acre, 12 to 14 seeds per foot, 1/2 to 3/4 in deep (up to 1 in in sandy or very loose ground), in rows 12 to 14 in apart. Stretch a line to drill the first row straight and re-straighten from time to time. Use more foreign-grown seed, which germinates less readily.
Materiali per questo passaggio:
Seme di cipolla1 about 4 lb per acreStrumenti necessari:
Seminatrice a mano
Filo da muratore4
4
Cultivate with the wheel hoe
Cultivate with the wheel hoe
Start the wheel hoe as soon as the rows can be seen, and stir the soil often, especially after rain. Use horizontally cutting blades while the plants are small; when the bulbs begin to bottom use vertical cutters, not deep enough to hurt the roots, and the turn-plough attachment to throw soil away from the bulbs.
Strumenti necessari:
Zappa a ruota5
5
Weed and thin by hand
Weed and thin by hand
Weed by hand, kneeling astride the rows with knees padded in cloth covered with leather, throwing the soil and small weeds away from the rows with a simple tool. At the second weeding thin the plants to about one to the inch. Pull large late weeds by hand when the tops mat.
Strumenti necessari:
Zappa6
6
Pull and cure in windrows
Pull and cure in windrows
Harvest promptly when most necks have turned yellow and withered, green tops and all. Pull by hand into windrows of three or four rows and leave them until fully cured, a week to ten or more days; on bright days stir very gently with a wooden rake. If rain threatens, cure in open sheds or on a barn floor; in very hot sun gather into barrel-sized piles under thin straw so the bulbs do not turn green. Then sort, and top if desired.
Strumenti necessari:
Rastrello di legno
PagliaMateriali
1- 1 about 4 lb per acreSegnaposto
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