Wakambofunga here kuti zviri nyore uye zvinokurumidza sei kugadzirira chikafu nhasi? Tinovhura firiji totora katoni yemukaka, todya chidimbu chechingwa negaba rehove kubva kuchitoro, kana kubika muriwo kubva kuTiefkühler (firiji). Zvese izvi zvakajairika kwatiri, handiti? Asi zvinhu izvi hazvina kumbovapo makore zana kana mazana maviri apfuura. Nhasi tichataura nezvekuchinja kunoshamisa kwakaitika muzvinhu zvatinodya, nzira dzatinozvigadzirira nadzo, uye nzira dzatinozvichengetedza nadzo. Izvi zvakaita serwendo rwekufamba kwenguva.
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Zvinhu zvikuru zvakawanikwa zvakachinja chikafu chedu
Nyaya iyi inotanga makore anopfuura mazana maviri apfuura. Kubva ipapo, vanhu vanga vachitsvaga nzira dzakasiyana dzekuchengetedza chikafu kwenguva yakareba, kuchigadzira zviri nyore, uye kuchichengetedza. Nekushanduka kwemaindasitiri, budiriro iyi yakaitika nekukurumidza kusingafungidzike. Ngationei kuti ndeapi matanho akakosha.
| Gore | Kugadzira | Izvozvo zvakakanganisa sei hupenyu hwedu? |
|---|---|---|
| 1784 | Chigayo cheupfu chinoshandiswa nemvura | Pasina dambudziko rekukuya tsanga nemaoko uye kukuya hupfu nedombo, zvaikwanisika kugadzira hupfu hwakawanda panguva imwe chete. Zvingwa nechingwa zvakava nyore. |
| 1810 | Chirongo cheTin | Uku kwaive kubudirira kukuru! Chikafu chaigona kuchengetwa kwemwedzi yakawanda uye kunyange makore pasina kuora. Izvi zvakakonzera zvinhu zvatinoziva tese zvakaita se'hove dzakabikwa mumagaba' uye 'mukaka wakabikwa mumagaba'. Izvi zvaibatsira zvikuru pakupa chikafu kumasoja panguva yehondo. |
| 1863 | Kupasterization | Izvi zvakawanikwa nemusayendisiti anonzi Louis Pasteur. Iyi inzira yekupisa zvinwiwa zvakaita semukaka kuti uuraye utachiona husingaonekwe nemaziso. Mapaketi emukaka, yogati, nezvinwiwa zvemichero zvatinonwa nhasi zvakachengeteka nekuda kwenzira iyi. |
| 1924 | Kukurumidza Kuomesa Nechando | Nzira iyi yakabatsira kuchengetedza miriwo, michero, nyama, nehove kwenguva yakareba pasina kurasikirwa nezvinovaka muviri uye kutsva. Izvi ndizvo zvakaita kuti miriwo neaizi kirimu zvakachengetwa muzvitoro zvikuru zvipinde muhupenyu hwedu. |
| 1927 | Firiji yekushandisa kumba | Fungidzira hupenyu husina firiji! Unofanira kuenda kuchitoro zuva nezuva kunotenga miriwo, uye unofanira kurasa zvasara. Firiji yakachinja zvachose nzira yatinochengetera chikafu nekubika. |
| 1928 | Chingwa chakachekwa | Izvi zvingaita sezvidiki, asi zvaita kuti hupenyu hwevanhu vakabatikana huve nyore. Zvaita kuti zvive nyore kudya chingwa nekukurumidza mangwanani, kuenda kubasa, uye kuchipa vana kuchikoro. |
Kufambira mberi kukuru mukurima: Chimurenga cheGreen
Mushure meHondo Yenyika II, huwandu hwevanhu pasi rose hwakatanga kukura nekukurumidza. Pakanga pasina chikafu chakakwana chekupa munhu wese chikafu. Green Revolution yaive mhinduro kune dambudziko iri. Zvichitaurwa zviri nyore, yaive yekuwana goho rakawanda kubva muvhu diki.
Kuchinja uku kwakaitika sei?
- Fetereza yemakemikari: Mafekitori aigadzira ammonia, iyo yaishandiswa kugadzira mabhomba panguva yehondo, akashandiswa kugadzira fetereza yenitrogen mushure mehondo. Fetereza iyi yemakemikari yakawedzera goho rezvirimwa kupfuura zvaifungidzirwa.
- Mishonga yezvipembenene: Kushandiswa kwemishonga yezvipembenene kudzora zvipembenene zvinokuvadza zvirimwa kwakawedzera zvakanyanya. Izvi zvakaderedza kurasikirwa kwezvirimwa zvakanyanya.
- Kushandisa michina: Kare, kurima kwaiitwa nemhuka dzakadai semombe nenyati. Asi neGreen Revolution , matrakita akaunzwa.Uye michina yakawanda yakawedzerwa pakurima. Izvi zvakaita kuti basa rakawanda riitwe munguva pfupi uye pasina kushanda nesimba.
Kubudirira uku ndiko kwakabatsira mabhiriyoni evanhu pasi rose nhasi kuti vararame vasina nzara. Izvozvo zvechokwadi kubudirira kukuru.
Asi, pane rumwe rutivi rwezvese izvi. Mazuva ano, tinotaurawo zvakawanda nezvemhedzisiro yenguva refu yekushandiswa kwefetereza yemakemikari nemishonga yezvipembenene, handiti? Ndosaka nyika yava kunyanya kutarisisa nzira dzinochengetedza nharaunda dzakadai sekurima organic.
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Check Availability →Madhishi edu ezvekudya achaita sei mune ramangwana?
Tichitarisa zvakawanikwa izvi kubva kare, tinonzwisisa kuti tekinoroji yezvekudya haizombomiri. Kunyangwe nhasi, masayendisiti ari kugara achigadzira zvinhu zvitsva kuti agadzirise matambudziko enyika yeramangwana.
Fungidzira kuti chikafu chedu chichataridzika sei mumakore makumi mashanu anotevera?
- Pamwe nyama yatinodya haisi yekuuraya mhuka, asi yenyama inorimwa murabhoritari.
- Zvirimwa zvakagadziriswa majini zvine chikafu chiri nani uye zvinotsungirira kusanaya kwemvura zvinogona kugadzirwa.
- Nzira itsva dzekurima dzinoderedza marara ezvekudya uye dzinokonzera kukuvara kudiki kwezvakatipoteredza dzinogona kubuda.
Zvese izvi zvinoratidza kuti kuchengetedzeka kwedu kwechikafu nekudya kuri kuvandudzika zuva nezuva nekuda kwehungwaru hwevanhu uye kudiwa kwavo. Rwendo rwakatanga nedombo reKurahan rwasvika padanho risingafungidzike.
Mharidzo Yekuenda Nayo Kumba
- Kudya kwakachengeteka uye kuri nyore kwatinonakidzwa nako nhasi kunobva mukufambira mberi kwesainzi netekinoroji kwemakore.
- Zvinhu zvakagadzirwa zvakaita sekuchengetera chikafu mumagaba, kuiisa mufiriji, uye kuiisa mufiriji zvakachinja kuchengetedzeka kwechikafu uye nyore kushandisa.
- Kunyangwe hazvo Green Revolution yakawedzera kugadzirwa kwechikafu zvakanyanya pasi rose, tinofanirawo kunetseka nezvematambudziko ezvakatipoteredza nehutano ane chekuita nazvo.
- Tekinoroji yezvekudya inyaya iri kuramba ichichinja, uye zvinhu zvitsva zvicharamba zvichiwanikwa kuti zvikunde matambudziko ezvekudya mune ramangwana.
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