Ogwe aka

Broadfork, nke a na-akpọkwa U-fork ma ọ bụ grelinette, bụ ngwá ọrụ ubi a na-eji aka agbajisịa ala juru n'ọnụ, gụnyere hardpan, iji kwalite ikuku na mmiri mmiri. A na-eji broadforks eme ihe dị ka akụkụ nke usoro nkwadebe mkpụrụ osisi na-adịghị agba ma ọ bụ belata n'ihi na ha na-echekwa nhazi ala ma na-ezere ịmaliteghachi mkpụrụ osisi..

Ọ nwere tines ígwè ise ma ọ bụ karịa, ihe dị ka sentimita asatọ n'ogologo, na-agbatị ihe dị ka sentimita ole na ole n'ebe dị iche iche na mmanya kwụ ọtọ, na-eji aka abụọ gbatịa elu ruo ọkwa igbe ma ọ bụ ubu nke na-etolite nnukwu ọdịdị U..

Onye na-arụ ọrụ na-agbago na crossbar, na-eji ahụ zuru oke na-ebuba tines n'ime ala, wee laghachi azụ ka ọ na-adọghachi azụ na aka, na-eme ka tines na-agbago elu site na ala. Omume a na-ahapụ ọkwa ala nke ọma, kama ịtụgharị ma ọ bụ ịgwakọta ha, na-echekwa nhazi nke elu ala.

Enwere ike iji ogwe aka dị obosara mee ihe n'ogige, ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ otu ma ọ bụ abụọ acres (4,000 ruo 8,000 m2). Maka ebe ndị buru ibu, a na-ejikarị traktọ ma ọ bụ anụmanụ na-arụ ọrụ ma ọ bụ ngwá ọrụ yiri ya.

 U-bar 
U-bar yiri broadfork mana o nwere tines ogologo - ruo 18 sentimita (46  - maka ịkọ ugbo miri emi, ebe ọ bụ na a ga-eji ya mee ihe n'àkwà ndị e gwuru okpukpu abụọ ma ọ dịkarịa ala otu ugboro. U-bar nwekwara "olu" nke na-enye ohere ka e bulie tines n'elu ala mgbe a na-agbanye aka azụ. N'ihi ya, ụyọkọ ala ndị na-ejide n'elu tines nwere ike ịgbaji site na ịkwagharị aka elu na ala, na-ama jijiji ngwá ọrụ ahụ n'ikpere ya.

Ọ bụ ezie na igwu okpukpu abụọ n'ihe ndina otu narị square feet (9.3 square mita) nwere ike iwe ọtụtụ awa, iji u-bar na-arụ otu ihe ndina ahụ nwere ike ime n'ime ọkara awa ma ọ bụ karịa.

 Hụkwa 

 Ogige fork
 Claypan
 Hardpan
 Ala
 Jean-Martin Fortier: onye ọrụ ugbo / onye edemede nke na-akwalite ojiji nke broadfork

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