1. Samfurin sunan: Fadada yumbu
LECA (Lightweight Expanded Clay Aggregate) tara ne da aka yi da yumbu mai faɗi a matsakaita 1200 ℃ a cikin kiln rotary,
da Ana fadada iskar iskar gas da dubban ƙananan kumfa muddin wannan zafin jiki da porosity zai bayyana
da yawa babu komai a ciki da saƙar zuma a waɗannan tarin sifofin zagaye lokacin da kayan narke suka zama sanyi.
LECA kerarre ce tara wanda yana da fa'idodi da yawa idan aka kwatanta da tara mai sauƙi na halitta da
tun 1917 ya yi amfani a karkashin daban-daban iri sunan a Amurka da Turai kasashen.
2. Lambun Lambu:
Dutsen Dutsen Faɗaɗɗen Ƙaƙa mai nauyi shine babban matsakaicin girma ga duk tsire-tsire. Yana bayar da kyau kwarai magudanar ruwa da kuma rikon danshi.Yi amfani da shi azaman ciyawa na ado don tsire-tsire masu tukwane, a cikin tsire-tsire na ƙasa, azaman ƙara haɗuwa zuwa kwantena, da ƙasan ƙasa don magudanar ruwa.Hakanan ana amfani da shi sosai a cikin girma na hydroponic kuma shine tsaka tsaki pH. Pores a cikin duwatsun suna adana ruwa kuma suna sakin ruwa idan an buƙata don haka samar da mai kyau yanayi don ci gaban tushen. Mafi dacewa ga wardi, orchids da kowane nau'in 'ya'yan itatuwa da kayan marmari.Tarin tarin yumbu mai haske, wanda kuma aka fi sani da "dutsen girma", yana da kyau don haɓakar hydroponic na cikin gida saboda kaddarorin sa na tsaka tsaki.- Dutsen yumbu na lambun ba shi da halayen acid ko alkaline.
3. Amfani
LECA yana da fa'ida da yawa don aikin noma da shimfidar wurare, ana amfani dashi azaman matsakaici mai girma a cikin tsarin Hydroponics, kuma
hade tare da sauran masu girma dabam kamar ƙasa da peat don inganta magudanar ruwa, riƙe ruwa a lokacin fari,
keɓance tushen lokacin sanyi kuma samar da tushen tare da ƙara yawan matakan iskar oxygen yana haɓaka haɓaka mai ƙarfi sosai. LECA na iya haɗuwa
tare da ƙasa mai dadi na al'ada don rage nauyin shuke-shuke da ƙasa shimfidar wurare.
4. Ƙayyadaddun LECA
Yanayi |
Abu |
Sakamako |
Sakamakon Kimiyya
|
Girman Rage |
4-20 mm |
Babban abu |
high quality na yumbu |
|
SiO2 |
55-60% |
|
Farashin 2O3 |
5-10% |
|
Fe2O3 |
15-20% |
|
Babban |
3-5% |
|
K2O |
1-3% |
Yanayi | Abu | Sakamako |
Dukiyar jiki sakamakon gwaji |
Girman Barbashi | 4-20 mm |
Babban abu | Clay | |
Bayyanar | Ball | |
Yawaita Surface | 1.1-1.2g/cm3 | |
Yawan yawa | 350-400kg/m3 | |
Yawan Ruwa | 90% | |
Jimlar adadin lalacewa & ƙimar sawa | 3.0% | |
Tara porosity | 20% | |
Hydrochloric acid na iya haifar da kumburi | 1.4% | |
Yawan hasarar gogayya | 2.0 | |
Ƙarfin matsi | 3.0-4.0 | |
Shakar Ruwa | 7% | |
Abun da ke ciki | 60-63% |