Mene ne ƙasa da kuma yadda zai iya zama?

Mene ne ƙasa? Wannan kalma na da fiye da daya ma'anar. Mafi sau da yawa da shi ya auku a cikin ma'anar "topsoil". Kamus kuma Reference nazarin halittu tsarin kula da bayani na lokaci a more daki-daki.

Gona na samar da kimiyya definition - ne marinjãya Layer na Duniya ta lithosphere. Its main halaye: haihuwa, heterogeneity, gaskiya, hudu-lokaci.

Bari mu bincika kowane lokaci dabam. Haihuwa na nufin cewa cikin ƙasa - wannan Layer dace da girma shuke-shuke da amfanin gona. Kafa a sakamakon daban-daban m kwayoyin da weathering Layer arziki a cikin gina jiki da kuma karkashi ne humus - zaune gudanar da mahadi ko sharan waxanda suke da ba a cikin ƙasa, amma ba a rayayyun kwayoyin halitta.

Mene ne gona cikin sharuddan heterogeneity? Wannan yana nufin cewa topsoil ne iri-irin tsarin, da kama lokaci da aka raba tsakanin su. Saboda haka, kasar gona kunshi hudu bulan: m, ruwa, gaseous da kwayoyin.

The m lokaci ya hada da ma'adanai, organics, daban-daban inclusions, Ina nufin da totality of daskararru kunsha topsoil.

Ruwa lokaci - ruwa, wanda zai iya zama a cikin m gado a free ko mamaye jihar.

A gas kunshi gas: oxygen shigar daga sararin sama, hadaddun mahadi da nitrogen, methane, hydrogen da tsarki. Suna kafa a sakamakon fermentation tafiyar matakai, numfasawa, lalata, da dai sauransu.

Binciken da ƙasa masana kimiyya iya bincika ba kawai Layer a matsayin dukan, amma kuma kowane daga cikin bijiro da batun kafa zamani. Shi ya sa cikakken amsar wannan tambaya na abin da yake cikin ƙasa, shi dai itace sai anjima. Haka kuma, kasar gona ne, wani lokacin a matsayin wani shãmaki ko membrane wanda lokaci guda raba da kuma shirya da dauki yanayi, bio- da hydrosphere.

Da dama daban-daban amsoshin wannan tambaya na abin da ƙasa, Gost 27593-88. An ce da ƙasa - wannan jikin m, organo, halitta tarihi, sakamakon daga mai hade da dalilai:

• anthropogenic.
• abiotic.
• biotic.

A kasar gona ya ci gaba da Gost definition, yana da kansa Properties (morphological da kwayoyin). An halin wasu Properties, wanda ke da alhakin samar da yanayi na ci gaba da shuke-shuke kunshi ruwa, iska, ma'adinai barbashi da kuma kwayoyin saura.

A irin da yanayi na kasar gona ya dogara da sauyin yanayi, Flora da fauna, asalin kwayoyin inhabiting da m Layer. ƙasar-amfani aiki - don adana da kuma kula da takin gargajiya na mayalwaci amfani da yiwuwa Layer.

Too m amfani da tsautsayi ƙasa, tare da wuce kima hadi ne kusan m. A rashin ƙasa danshi iya shan wahala da kwararowar hamada, da kuma wuce kima watering - ravines bi da bi. Wani lokaci cikin ƙasa a sakamakon rashin iya amfaninka ko zama m marshy. Wadannan matakai ne guda sunan, wato, ƙasa ƙasƙanci.

Restoration of kaskanta gona - da wani sosai aiki-m, dogon-m, ba ko da yaushe kawo karshen aiwatar da nasara.