Kodi kuletsa kuchuluka kwa gullies kukumbukira katundu zachilengedwe nthaka?

Gullies ndizo zotsatira za madzi ndi kukokoloka kwa nthaka ndipo kungakhale kovuta chifukwa cropping mayiko. Kodi kuletsa kuchuluka kwa zigwembe ndi chochita kuteteza nthaka ku maphunziro awo, kuwerenga nkhaniyi.

zigwembe chachikulu

Iwo anapanga ndi akupanga madzi effluent pa mbali maukonde lili pamalo otsetsereka a zakudya madzi, angakhale mtengo. Pankhaniyi, madzi umayenda pansi m'maenje chiyambi yokumba imene anamanga munthu.

Chikuchitika ndichiyani? utuluke madzi kufika mtengo gombe, eroding otsetsereka. Chifukwa, otaya chachikulu aumbike chigwa, amatchedwanso pagombe. gullies awa kukhala ndi m'kupita anadzetsa otsetsereka ngalande. Pankhaniyi, otsetsereka anapanga gullies.

Pulayimale chigwa: siteji ya chitukuko

Gullies wa mtundu uwu anapanga pang'onopang'ono. Zimenezi kugawidwa mu magawo zotsatirazi:

• Choyamba, pamene anapanga gullies mpaka masentimita makumi asanu mwakuya. Mbali khalidwe ndi kukhalapo kwa mbiri padziko pansi otsetsereka a. Chigawo mtanda wa chigwa ndi kansalu kapena trapezoid. Analima lapansi ndi nthaka lotayirira mofulumira kwambiri pansi ndondomeko woteroyo, kwa zaka pafupifupi zitatu.

• Mu gawo lachiwiri la vertex lotseguka anapanga. Ichi ndi chifukwa kukokoloka mofulumira kugombe la mtengo wa. Ground kupitiriza sambike otaya madzi, umene khoma n'kugwa. Mawuwa pa nthaka. Breakage kungakhale mamita teni mu msinkhu. Mzere concave mbiri.
• Mbali yachitatu amakhala ndi mbadwo wa mbiri mgwirizano. chiyambi chake akunena mpaka kutsitsa m'kamwa mwa chigwa kuti mlingo wa pansi pa mtengo wa. Chigwa kumawonjezera kukula.
• Mu sitepe yotsatira kukula chigwa ndi liwiro: zimayamba kubala mgwirizano wa mbiri. Pansi sukupita apamwamba chifukwa kukumba wa otsetsereka akuchulukirachulukira m'lifupi. Pamene kuweramira ngodya abwezeretsedwa nthaka amakhala khola, zomera adzaoneka pa mbali ya chigwa cha. chigwa mapangidwe inatha. Kodi kuletsa kuchuluka kwa zigwembe, kuwerenga nkhaniyi pansipa.

zigwembe yachiwiri

Iwo anapanga chifukwa chakuti kukokoloka kwa pansi kuzama kwa. zigwembe zimenezi zimatchedwa benthic. Pamwamba pa zigwembe ndiponso gullies m'maenje ambiri. Pamene iwo anayamba kukula zigwembe pansi, wotchedwa otsetsereka. magwero iwo amatenga pa magombe a mtengo wa. Kupita m'mwamba otsetsereka catchment dismembered. zigwembe zimenezi zimatchedwa otsetsereka sekondale.

afforestation zigwembe

Kukana zigwembe anthu ayamba kale, m'nthawi ya chakhumi ndi chisanu ndi chinayi. Kodi kuletsa kuchuluka kwa chigwa cha? Angagwirizanitse pamwamba ndi pansi wokutidwa ndi manyowa kapena mbewu msondodzi ndi popula. Kwa chigwa sanali kukhala zina pamafunika kukhala otetezeka, kuteteza dothi kukokoloka. Kodi kuletsa kuchuluka kwa chigwa cha? Kuchita izi, izo m'pofunika kudzala shelterbelts.

Iwo amalimbitsa pamwamba ndi pansi pa chigwa cha. Mukhoza kugwiritsa ntchito earthworks zosiyanasiyana ndiponso kumanga konkire. Natural zopinga ya nthandala nkhalango kuyamwa madzi owonjezera, umene chigwa cha lili kukula. Mitengo anabzala pa mtunda wa mamita atatu ndi asanu m'mphepete mwa chigwa cha.

Kodi mungatani kuteteza dothi mapangidwe gullies? Ndi mitengo, mizu ku mphamvu kuti amange nthaka. Koma kumbukirani kuti mizu kuyamwa pamwamba chinyezi yekha. Kupyolera mizu mtengo momasuka akudutsa kuikapo maganizo amadzimadzi mtsinje. Kumbukirani kuti mizu sangathe nthawi zonse amateteza, ngati chomera mizu akuphedwa ndi nthaka ndi mitengo kutsetsereka pansi pa chigwa cha.

kukokoloka kwa nthaka

Pamene chipale kusungunuka madzi mitsinje imawomba otsetsereka, rinsed ndi kusunga nthaka thawed kuoneka scours, ndipo ndicho chiyambi cha chigwa mapangidwe kuti ali wokhoza kuononga minda alipo msewu.

Ochepa herbage msipu otsetsereka - malo aakulu kwa maonekedwe a gullies. Kodi kuteteza dothi mapangidwe gullies? Kuti tichite zimenezi, kulenga wabwino chomera herbage, amene kumathandiza maonekedwe awo ndi kumawonjezera zokolola za dziko.

Ndondomeko amalimbikitsa mapangidwe kukokoloka gullies mphepo imene limatuluka fumbi, mchenga, nthaka. Zonsezi mkokomo pa expanses lonse ndi zikukhazikitsa pansi. Chitayiko nthawizina kufika mamita atatu mu msinkhu, kuwononga mbewu. Mphepo zokula dothi masentimita twente-faifi mwakuya ndipo amapita kwa mtunda wa makilomita atatu, chifukwa mu zinthu mwamwambo nthaka lotengeka. Mapangidwe gullies ndi ruts - harbingers la zigwembe. zaulimi ndiye limabweretsa gulu la yosayenerera, complicating mankhwala a nthaka.

Kukokoloka amapezeka chilala nthaka, chatsika thupi katundu wa nthaka, ntchito yawo kwachilengedwenso yafupika, potero kuchepetsa zokolola za zomera nakulitsa. Kodi kuteteza dothi mapangidwe gullies? M'pofunika kuteteza zosayembekezereka wa kukokoloka kwa nthaka. Ntchito kusamala nthaka kasinthasintha mbewu, agroforestry ndi zokhuza ulimi kuthandiza kulimbana kukokoloka. Izi zimathandiza kuti ntchito yomanga nyumba hayidiroliki.