Jamur tiram (Pluoretus ostreatus) termasuk organisme saprofit yang hidup di atas media organik yang sudah lapuk atau mati. Nutrisi yang dibutuhkan selama pertumbuhan jamur yaitu: fosfor, belerang, kalium, karbon yang telah tersedia dalam jaringan kayu yang sudah lapuk tetapi dalam jumlah yang sedikit, maka macam media tanam dan lama pengomposan (inkubasi) sangat mempengaruhi nilai nutrisi dan keberhasilan budidaya jamur tiram. Nutrisi dalam jamur tiram sangat baik bagi tubuh manusia dan dalam memenuhi gizi keluarga, diantaranya 19-35 % protein, 9 asam amino, 72% lemak tak jenuh dan kandungan serat yang tinggi (7,4 – 24,6 %). Disamping sebagai obat kolesterol, kanker, AIDS juga anti bakteri merugikan, anti virus dan meningkatkan kekebalan tubuh. Kegiatan penyuluhan dan menanam jamur dilakukan di Kelurahan Desa Sungai Dua, Kecamatan Rambutan, Kabupaten Banyuasin
Hidroponik merupakan metode bercocok tanam tanpa menggunakan tanah. Tiga unsur utama dalam tanaman hidroponik yaitu, air, cahaya dan juga nutrisi. Selain air tanaman hidroponik juga menggunakan media-media tanam seperti, serabut kelapa, batu bata, arang sekam, pasir, rockwool,busa, dsb. Sistem hidroponik dapat memberikan suatu lingkungan pertumbuhan yang lebih terkontrol. Penyuluhan dilakukan melalui sosialisasi menerapkan cara bertanam secara sederhana dengan menggunakan limbah botol mineral sebagai media air untuk bertanam kangkung, yang dilakukan kepada warga di kelurahan Alang-Alang Lebar Kota Palembang. Kegiatan dilakukan selama kurun waktu 17 Februari 2020 bersama mahasiswa KKN Angkatan ke 5 tahun 2020. Warga khususnya ibu-ibu yang tergabung dalam PKK Kelurahan begitu antusias dengan adanya kegiatan ini, karena dengan biaya yang murah terjangkau dan diperlukan bahan dan alat berupa limbah yang mudah didapat.
Syafrullah et al, 2018. Rehabilitation of Pit After Tin Mining by Floating Agriculture Technology at Red Curly Lettuce Cultivation in the Bangka Belitung Province. JLSO 7(1):Bangka Belitung Province is the largest tin producer in Indonesia. After tin mining was formed pit/under the surface of the earth . This pit potential was quite large, especially under the colonies near the settlement, in addition to fishery business could also be used with floating plant cultivation. The purpose of this research was to get location-specific cultivation technology of location specific plant at pit after tin mining which was floating plant cultivation technology and utilize the pit after tin mining to be productive pit for cultivation of vegetable crops and preserve the environment by utilizing the pit, plastic waste and grass became useful in the cultivation of floating vegetable crops at the pit after tin mining . This research was conducted from January to May 2016 in Batu Belubang Village, Pangkalan Baru District, Central Bangka Regency of Bangka Belitung Province. The design used was Factor Randomized Random Design (RAK) with 9 treatment combinations repeated 3 times and 5 sample plants. As the indicator plant was red curly lettuce. The treatments were 1) Type of raft (R) with 3 levels,those are R1 = raft of plastic waste size of 250 ml, R2 = raft of plastic waste size of 600 ml, R3 = raft of plastic waste size of 1500 ml and 2) compost type (X) with 3 levels ,namely K1= compost of purun grass K2 = compost of bakung grass and K3 = compost of gegas grass. From the results of the research showed that the type of plastic waste raft size of 250 ml and type of bakung grass compost gave the better growth and production response for curly red lettuce and the application of technology cultivation of curly floating red lettuce plants at the pit after tin mining lead to give the same results and tend to higher if compared with the system of cultivation coventionally on the dry land.
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