Chii chinonzi ivhu remarara?

silt ivhu

Pane imwe nyika kune marudzi akasiyana evhu ane maitiro akasiyana. Kune ivhu rakasununguka uye risina kudya kunovaka muviri uye, kune rumwe rutivi, ivhu rakawanda uye rine kudya kunovaka muviri. Kuumbwa kwevhu rimwe nerimwe kunogadzirisa maitiro ayo uye kubereka. Panyaya iyi, tichataura nezve ivhu remarara.

Muchinyorwa chino tichakuudza kuti ivhu rine silty chii, maitiro avo uye nei richinzi ivhu rakaorera.

Chii chinonzi silt ivhu

nyika yokudyara

Silty ivhu ivhu rine silt yakawanda kupfuura itsvimbo isingapfuure 0,05 mm muhukuru. Nekuda kwehukuru hwayo uye huremu huremu, inotakurwa nemhepo uye nzizi, ndosaka ichiiswa munzvimbo dzakasiyana, kunyanya pedyo nehova.

Zvichienderana nekugadzirwa, ivhu resilt rinoenderana nechimwe chezvikamu zvitatu zvevhu, mamwe maviri ari jecha nevhu. Ivhu rejecha rinoonekwa nekukora, kukwasharara, uye kushomeka kwemavara. Ivhu, kune rumwe rutivi, rine sipo kana rakanyorova uye rinoshingirira kumvura zvakanyanya.

Ivhu rine marara rinoumbwawo nematombo, ivhu, nejecha; inogona kunge iri iyi chaiyo inoita kuti vabudirire uye nyore kushanda navo. Zvisinei, kuti ivhu rine silt rinzi rine silt, rinofanira kunge riine 80% silt.

Loamy Soil Properties

maitiro evhu rine silt

Slimes ine brittle uye yakapfava, iyo inovabvumira kufamba nemhepo nemvura. Munguva yerwendo urwu, zvimedu zvinova zvidiki uye zvidiki nekuda kwesimba renzvimbo dzakasiyana dzemigwagwa uye mamwe maitiro emakemikari anoitika mukati merwendo urwu.

Silt inokwanisa kushandura zvachose chimiro chenyika nekuti mushure merwendo rwayo inogona kuiswa munzvimbo dzakaita semadhamu kana manyoro. Sezvo saizi yedhamu iri inowedzera, mvura inozopedzisira yaenda kune imwe nzvimbo yemvura. Muchokwadi, akawanda deltas anokonzerwa nekufamba uye kuisa silt.

Silty ivhu zvidimbu zvinoonekwa sezvimedu zvidiki: zvakati kurei pane zvidimbu zvevhu, asi zvidiki zvishoma pane jecha rakanaka.

Silt inoratidzirwa nokuti, tichifunga nezvezviyero zvayo zvose, zvikamu zvaro zvose zvakanyanya kana zvishoma zvishoma, izvi zvinozvisiyanisa kubva kune ivhu, izvo zvimedu zvinenge zvisingawanzoitiki pakati pavo. Zvimedu zvinoumba ivhu resiriri hazviremi, saka zvimedu zvinotakurwa nyore nemhepo nemvura.

Kazhinji dzine ruvara rwakanyanya kusviba uye dzinonzwa kunge ivhu. nekuti anoumba nyore uye anonamira kana anyorova. Zvisinei, ivhu rine silt rinoputsika kana raoma uye harina kuomarara uye kukora sevhu revhu. Ivhu remavhu rakapfava uye harigadzike kana rakanyorova, asi rinopwanyika kana raoma, zvichiita kuti rive neguruva.

Sei dzichibereka?

kurima uye rudzi rwevhu

Ivhu iri rinoonekwa nekuorera zvakanyanya, izvi zvinokonzerwa nekuora kwakanyanya kweiyo organic matter yarinogara. Nekuda kweizvozvo, huwandu hukuru hwekudya hunogadzirwa, uye nekuda kwehunhu hwevhu ine silt, chikafu ichi chinoramba chiri muvhu rakadaro kwenguva yakareba.

Ivhu rakaorera riri nyore kwazvo kushanda nekurima. Ivhu rakapfava rinodonhedza mvura uye harina chimiro chepurasitiki kana chatota.

Kunyanya ivhu rine silty rinogona kuwanikwa pamahombekombe enzizi, nokuti kuburikidza nevhu iri rinofamba kubva kune imwe nzvimbo kuenda kune imwe. Ivhu rerudzi urwu rinowanzowanikwa munzvimbo dzakatenderedza nzizi kana munzvimbo dzakambofashukira.

Iyo Nile delta muEgypt muenzaniso wakajeka wevhu rine silt, rine hunhu hwese hunoiumba.

Miti

Ivhu rakasviba rinozivikanwa nekubvumira kukura kwechero chirimwa kana chikafu, kunze kweiyo zvipenyu zvinoda ivhu rakaoma kwazvo kukura. Izvi zvinodaro nekuti silt inobvumira ivhu kuchengetedza mwando wakawanda uye inobatsirawo nekufefetera nguva dzose apo mweya unotenderera zvakasununguka pakati pezvimedu.

Sezvambotaurwa, ivhu rine silt rinowanzowanikwa mumahombekombe enzizi. Nokudaro, nzvimbo idzi dzakaorera zvikuru uye dzakakodzera kurima zvokudya zvakasiyana.

Iyo Nile Delta yambotaurwa inoonekwa seimwe yenzvimbo dzakaorera zvakanyanya, ine zvirimwa zvinokura kweinenge mireniyamu.

Kana ivhu rimwe chetero rikarimwa zvakanyanyisa, kuorera kwevhu rine matope kunoderera sezvo izvi zvichitadzisa kusefa kwemvura munguva yekunaya kwemvura. Zvakare, kana ivhu rakura iri rikasanyoroveswa zvakakwana, rinogona kuoma uye rakaoma kushanda. Ivhu revhu rinopa mukana wakakura wembereko chero bedzi richinge rakanyorova uye kusakura-kurima kuchidzivirirwa. Semuyenzaniso, lettuce, mupunga, makabheji, uye artichokes zvinogona kurimwa muvhu rakaorera. Miti yakaita semikonachando nemipoporo inokura.

Silty ivhu rekuvaka

Sezvo ivhu rine silt richionekwa sevhu rakakodzera rekurima nekuda kwekuwanda kwaro kubereka, zvakakoshawo kuziva kuti rinogona kunge risiri ivhu rakanakira kuvaka dzimba nezvimwe zvivakwa.

Ivhu remarara rinoonekwa nekunyorova uye kutonhora nekuti rinochengeta mwando kwenguva yakareba. Izvi zvinoitwa nevhu risina kugadzikana uye rinononoka kunyorova. Semagumo, ivhu rine silt rinozvimba nekuda kwekuchengetedza mvura, iyo inogara ichibonderana nechimiro uye ichiipedza simba nekufamba kwenguva.

Muchokwadi, tsvakiridzo ichangoburwa yakaratidza kuti silt ine mukana wekuita basa rakakosha mukunyungudika kwevhu (kuderera kwepasi pePasi mushure mekudengenyeka kwenyika). Kunyunguduka kunogona kuuraya nekuti ivhu riri pazasi pechimiro rinopera simba uye rinogona kudhirika.

Sezvauri kuona, ivhu remhando iyi nderimwe rakanakira zvirimwa uye dzimwe nguva pakuvaka. Ndinovimba kuti neruzivo urwu unogona kudzidza zvakawanda nezve ivhu rine silty uye maitiro avo.


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  1. Inotarisira iyo data: Miguel Ángel Gatón
  2. Chinangwa cheiyo data: Kudzora SPAM, manejimendi manejimendi.
  3. Legitimation: Kubvuma kwako
  4. Kutaurirana kwedata
  5. Dhata yekuchengetedza: Dhatabhesi inobatwa neOccentus Networks (EU)
  6. Kodzero: Panguva ipi neipi iwe unogona kudzora, kupora uye kudzima ruzivo rwako