Thepha uhlelo impande: isakhiwo nezibonelo

Ukuba ngaphansi komhlaba kanye asele engabonakali ngokuphelele, ngokuyinhloko lonke uhlelo, okuyinto encike ngqo kwi imvelo. Uma kudingeka, uhlobo zingaguqulwa ukunikeza lesi sitshalo nazo zonke ezidingekayo ekukhuleni kanye nentuthuko.

Impande nalokho okukushoyo

Impande okuyingxenye komhlaba zalesi sihlahla. It thembeke igcina Ukuphunyuka ezweni. Wemigqomo ubude ezinye izihlahla kungenzeka amashumi amaningana amamitha, kodwa ngisho asesabi ipheshulwa eqinile womoya.

Umsebenzi oyinhloko kuyinto ukumuncwa impande futhi kuthuthwe ngendlela ephephile amanzi izakhi ziyoncibilika. Lena indlela kuphela lemali edingekile umswakama ezikulesi simila.

izinhlobo izimpande

Ngokusho izici isakhiwo Zintathu izinhlobo izimpande.

Impande eyinhloko simila ihlale ifana. Ngo gymnosperms futhi angiosperms, sibangelwa kusukela embryonic impande imbewu. Kusukela amuke izimpande lateral. Bona ukwandisa absorptive surface area, okuvumela isitshalo ukuncela inani elikhulu lamanzi.

Ngqo izimpande adventitious isuke oluphunyukile. Iningi labo, zikhula uvumelanise. Zonke izinhlobo izimpande babe izici ezifanayo isakhiwo sangaphakathi. Lo msuka zalesi sihlahla yakhiwa kwezicubu. Ikhava yakha cap impande, esivikela zone sezemfundo sokuhlukanisa amaseli ekufeni. elula bamagatsha nabo siqukethe abasha, amaseli njalo sokuhlukanisa. Elements lendwangu conductive kanye awayindwayo endaweni ukumuncwa futhi eliyifa. Is they bakha iningi yiluphi uhlobo izimpande.

Ukuqinisekisa lemali edingekayo amanzi lesi sitshalo akwanele impande eyodwa kuphela. Ngakho-ke, ezahlukene izinhlobo izimpande ziyahlangana zenze uhlelo.

Rod futhi fibrous uhlelo impande

uhlelo fibrous imelelwa izimpande adventitious. Ziyakwazi isici kwabamele ekilasini Monocotyledons - umndeni okusanhlamvu, Liliaceae futhi Onion. Noma ubani uzamile ukudonsa aphume yokuphunyuka izwe likakolweni, azi ukuthi kumelwe enzeni kunzima ngempela. Beam izimpande adventitious ikhula kakhulu, ke ithatha endaweni enkulu, ukuhlinzeka lemali edingekayo isitshalo izakhi. Ama garlic noma leek, njengoba ukuguqulwa Ukuphunyuka, nawo aye asungula izimpande adventitious, zenziwe uhlelo impande fibrous.

Cabanga uhlobo elandelayo. Rod uhlelo impande siqukethe izinhlobo ezimbili izimpande: main futhi ohlangothini. Okuwukuphela impande eyinhloko core futhi uchaza igama lalo umzimba izitshalo. Kungaba engena ijule emhlabathini, hhayi ngokuqinile kuphela ubambe ayibuyisele kumnikazi wayo, kodwa futhi ukuthatha umswakama ayindlala kusukela izingqimba engezansi zenhlabathi. A emashumini ambalwa amamitha akusona isithiyo ngaye.

uhlelo Tap impande nobuntu angiosperms kakhulu, njengoba kunjalo jikelele. Impande main ukudansela isiginci sakhe amanzi kusuka phansi, ohlangothini - kusuka inhlabathi.

izinzuzo

Thinta impande uhlelo isici lalezi zimbali ezikhula untula amanzi. Uma imvula ingekho, izingqimba engenhla inhlabathi eyomile, amanzi kungenziwa kuphela eyatholakala kusukela ngokujulile ngaphansi komhlaba. Lesi sici sihlinzeka impande main. Thinta uhlelo impande ngezinye izikhathi isikhathi eside kunaleso sibaleka. Ngokwesibonelo, bekamela Bur -30 cm Ukuphakama has a obuphelele impande engaphezu kwengu-20 m.

izimpande Lateral nayo ibalulekile. Bona ukwandisa ebusweni ukuncela, ngezinye izikhathi bangazihluphi indawo enkulu.

Yini izitshalo ezibalulekile ohlelweni impande akudingeki? Labo ukuthi ziphile ezimweni umswakama ngokweqile. Lezi zitshalo kukhishwe amanzi ukujula akudingekile nje. Nokho uhlelo induku impande ilahlekelwa esiningi ubude ezimpandeni fibrous.

ukushintshwa impande

Thinta uhlelo impande, ogama isakhiwo ihlangabezana imisebenzi abasenzela, ngezinye izikhathi ukushintshwa. izimpande izaqathe owaziwa - kuba izimpande obukhulu main. Bona okugcina amanzi nezakhi ezivumela izitshalo ukuze usinde kwezimo zendawo ezimbi. Okunjalo Ushintshe uhlelo Thepha impande ejwayelekile ye-beetroot, isithombo, radishes, parsley.

Ikakhulukazi lwemisuka e izitshalo zisetshenziswa kanye biennial. Ngakho, ukuhlwanyela imbewu izaqathe entwasahlobo, ekwindla isivele kungenzeka ukuvuna. Kodwa uma lesi sitshalo kwesokunxele ebusika emhlabathini, entwasahlobo alinalutho futhi ukubaleka futhi unike imbewu. Ngo amakhaza asebusika izaqathe uyasinda ngenxa ukuqina impande main - impande. It ikuvumela ukuba siqhubeke sibambelele amasheya ukushisa kuhlasela.

Uhlobo uhlelo isitshalo impande incike izimo lapho likhula, futhi izici isici isakhiwo ukunikeza izinqubo ezibalulekile futhi sandise amathuba okusinda kunoma yisiphi isimo sezulu kanye nanoma inani umswakama etholakalayo kanye nezakhi.