This study aims to (1) Designing wake automatic watering equipment on dry land, (2) Determine the effective and efficient manner, (3) Knowing more specific performance in the use of electrical power. The benefits of this research (1) automated tool that can help overcome the shortage of water in the dry season in dry land, (2) helping farmers in overcoming problems crop irrigation in the dry season / dry, (3) scientific knowledge in automation watering drip irrigation system with pump solar energy as renewable energy. The research was conducted in the village of Batu Layar Sandik District of West Lombok in April 2011 to October 2011. This study uses an experimental method with the following steps: (a) Stage Design, (b) the assembly stage and followed by (c) Phase characterization automatic watering tool. At the stage of design executed by: measuring the ambient temperature (0C), measure wind speed (km / h), determine to what size of pump power (watts); followed by stages of assembly. Then proceed with step kerakterisasi automatic watering tool in the characterization of applying completely randomized design (CRD) factorial design composed 8 treatment. The first factor is the rotation of the motor pump with 4 variations of rotation, namely (1600, 1800, 2200 and 2400 rpm). Each treatment each repeated 3 times. While the provision of irrigation water treatment drops on each network is divided into blocks, namely (I, II, III and IV blocks) are taken based on the treatment of the above factors. Each treatment was observed parameters-parameters of chilli crop water requirements. The parameters characterizing automatic sprinklers include: efficiency of crop water requirements and water use efficiency in total. Results showed (1) automatic watering device can regulate the amount and uniformity of discharge of water droplets in every hole in the use of water for plants drip irrigation system with an average of (± 0.5632 liters /crop), the one-time watering at each plants with 2400 rpm motor pump. (2) System drip irrigation watering holes aimed directly at the plant, the amount of water used is very small. So that the area can be watered plants covering an area of ​​1.74 mx 2.09 m = 3.6366 m2 / plot. With a total land area is tested for this type of tomato plant and a land area of ​​39.78 ± m2 for the type of chilli plants, bringing the total land area of ​​± 68.21 m2 on the pump discharge position of  ±72.50578 liters/minute, and then flowed through 6 Fruit of the pipeline with the average number ±12.084297 liters perpipe on each plot. While in the pipeline, there are 16 pieces of water drain holes are directed at each plant to remove water in the respective holes per hole ± 0.755268542 liters/minute. (3) The electric power is used to drive the pump motor in this study is similar to the output ±0.336796 HP the uotput equal to ±0.336796 HP x 0.7457 kWatt = 251.25 watts, where as the unused power of ± 1.333333 watts with efisiensin power to the pump motor power calculation is divided power is used together with efficiency = 251.25 watts/1.333333 watts x 100% = 18843.75%.   Keywords: chili, dry land, automatic watering   ABSTRAK   Penelitian ini bertujuan untuk (1) Merancang bangun peralatan penyiraman otomatis pada  lahan kering, (2) Menentukan cara yang efektif dan efisien, (3) Mengetahui unjuk kerja yang lebih spesifik dalam penggunaan daya listrik. Manfaat penelitian ini (1) Alat otomatis yang dapat membantu mengatasi kekurangan air pada musim kemarau di lahan kering, (2) membantu petani dalam mengatasi masalah pengairan tanaman pada musim kemarau/kering, (3) pengetahuan ilmiah dalam otomatisasi penyiraman sistem irigasi tetes dengan pompa energi  surya sebagai energi terbarukan. Penelitian ini di lakukan di Desa Sandik  Kecamatan Batu Layar Kabupaten Lombok Barat pada bulan April 2011 sampai Oktober 2011. Penelitian ini menggunakan metode eksperimental dengan tahapan: (a) Tahap Rancang Bangun, (b) Tahap perakitan dan dilanjutkan dengan (c) Tahap  karakterisasi alat penyiraman otomatis. Pada tahapan rancang bangun dilaksanakan dengan: mengukur temperatur lingkungan (0C), mengukur kecepatan angin (km/jam), menenetukan ukuran daya pompa (watt);  dilanjutkan dengan tahapan perakitan. Kemudian dilanjutkan dengan tahap kerakterisasi alat penyiraman otomatis Dalam karakterisasi menerapkan Rancangan Acak Lengkap (RAL) rancangan faktorial yang disusun 8 perlakuan. Faktor pertama adalah putaran motor pompa dengan 4 variasi putaran yaitu (1600, 1800 , 2200 dan 2400 rpm). Setiap perlakuan masing-masing diulang 3 kali. Sedangkan perlakuan pemberian air irigasi tetes pada setiap jaringan dibagi dalam blok yaitu (I, II, III dan IV blok) yang  diambil berdasarkan perlakuan dari  faktor diatas. Setiap perlakuan diamati parameter-perameter kebutuhan air tanaman cabe. Adapun parameter-parameter karakterisasi alat penyiram otomatis meliputi: efisiensi kebutuhan air tanaman dan efisiensi penggunaan air total. Hasil penelitian menunjukkan (1) Alat penyiraman otomatis ini dapat mengatur jumlah dan keseragaman debit tetesan air disetiap lubang dalam penggunaan air untuk tanaman sistem irigasi tetes dengan rata-rata sebesar (±0,5632 liter/tan), dalam satu kali penyiraman pada setiap tanaman dengan putaran motor pompa 2400 rpm. (2) Sistem penyiraman irigasi tetes diarahkan tepat pada lubang tanaman, dengan jumlah air yang digunakan sangat kecil. Sehingga luas areal tanaman yang dapat disirami seluas 1,74 m x 2,09 m=3,6366 m2/petak. Dengan total luas lahan yang dicobakan untuk jenis tanaman tomat dan luas lahan sebesar ±39,78 m2 untuk jenis tanaman cabe, sehingga total luas lahan sebesar ±68,21 m2 pada posisi debit pompa sebesar ±72,50578 liter/menit, kemudian dialirkan melalui 6 buah pipa penyalur dengan jumlah rata ±12,084297 liter per pipa pada masing-masing petak.  Sedangkan dalam satu pipa terdapat 16 buah lubang pengeluaran air yang diarahkan pada tiap-tiap tanaman dengan mengeluarkan air dimasing-masing lubang ±0,755268542 liter per lubang/menit.  (3) Daya listrik yang digunakan  untuk menggerakkan  motor pompa dalam penelitian ini adalah 0,336796 HP dengan keluaran setara 0,336796 HP x 0,7457 Kwatt = 251,25 watt, sedangkan daya  listrik yang terpakai sebesar ±1,333333 watt dengan efisiensi daya dengan perhitungan daya motor pompa dibagi daya listrik yang digunakan sama dengan efisiensi = 251,25 watt/1,333333 watt x 100% = 18843,75%.   Kata kunci: cabe, lahan kering, penyiraman otomatis

The nutritional content of cocopeat does not fully meet plant needs, so it needs to be combined with other organic materials such as manure. In addition, the relatively large porosity of cocopeat will affect plant productivity. This study aims to evaluate the nutrient content of cocopeat and the evapotranspiration that occurs during the plant growth period. This research method is experimental using various combinations of planting media with different ratios of cocopeat,

Salah satu cara yang mudah dan ramah lingkungan untuk mengatasi sampah plastik adalah dengan mengolahnya menjadi ecobrick, tetapi banyak warga belum mengetahui tentang pengertian ecobrick dan tidak memahami bagaimana cara membuatnya. Kegiatan pengabdian bertujuan mengedukasi warga Desa Presak di Kecamatan Narmada Lombok Barat, agar mampu melakukan pengelolaan sampah plastik yang dihasilkan di lingkungannya. Metode yang digunakan berbentuk pelatihan, dimana warga diberikan sosialiasi tentang pembuatan ecobrick dan langsung mempraktekkan cara membuatnya. Mahasiswa Universitas Mataram yang melaksanakan KKN (Kuliah Kerja Nyata) dan mempromosikan Zero Waste di desa ini juga terlibat dalam kegiatan. Alat yang dibutuhkan untuk membuat ecobrick adalah tongkat kayu atau bambu (panjang + 40 cm) dan botol plastik air mineral (600 ml atau 1000 ml). Bahan yang disiapkan adalah sampah plastik yang telah dibersihkan dan dipotong-potong sehingga berukuran kecil. Kegiatan pelatihan yang dihadiri mayoritas ibu-ibu PKK ini berjalan baik, peserta sosialisasi antusias mengikuti kegiatan. Setelah kegiatan, peserta termotivasi untuk mulai membuat ecobrick di rumah masing-masing untuk mencegah pencemaran lingkungan yang disebabkan oleh sampah plastik.

The University of Mataram carries out Community Service (KKN) activities, and the main work program carried out is oyster mushroom cultivation. This work program aims to empower the community by cultivating oyster mushrooms and processing oyster mushrooms to improve the welfare of Pengonong hamlet, Batu Kumbung Village Lingsar District. The methods are submitting material on oyster mushroom cultivation and its processing, discussing various problems related to oyster mushroom cultivation and their solutions, business management and product marketing, simulation, and evaluation. This activity was carried out from December to February 2022. The implementation of this activity involved University of Mataram Community Service students as facilitators. The evaluation results of this activity indicate that the cultivation of oyster mushrooms and their products positively impacts the local community. The community is very responsive to this activity. The prospect of the oyster mushroom market still has considerable opportunities. The output of this activity is to produce several baglogs of oyster mushrooms and produce reference journals on oyster mushroom cultivation

Dry land productivity can be increased by building irrigation networks, one of which is microcontroller-based drip irrigation. The purpose of this study was to determine the performance of the drip irrigation system on mustard pakcoy (Brassica rapa Subsp. chinensis) automatically using the Arduino uno (ATMega328) microcontroller, and to determine the response of mustard pakcoy to irrigation methods applied in open land. The method used in this study is an experimental method with an open field experiment with 12 pakcoy mustard plants. Parameters observed were soil texture, soil moisture content, soil temperature, humidity, and emitter uniformity. While the growth of pakcoy plants in the form of plant height and leaf area as a response. The setting point for the moisture content is the lower limit of 30.10% and the upper limit of 38.30%. The data on the average growth response of mustard pakcoy until day 30 were plant height of 17.29 cm and leaf area 106.14 cm 2 which shows that the use of microcontroller-based drip irrigation can be utilized to support the growth of pakcoy plants in terms of ensuring the availability of sufficient water for plants. plant.

Land evaluation is assessing land resources for a specific purpose using a tested approach. Tomato and Chili plants can be planted in rice fields or dry fields, lowlands and highlands, and during the dry and rainy season. This study aimed to determine the land suitability of the superior vegetable commodities of tomatoes and chilies in Moyo Hilir District, Sumbawa Regency, West Nusa Tenggara using the Geographic Information System (GIS). This research method uses descriptive analysis. Namely, the research data is displayed in tables and maps. The data includes rainfall and temperature, nutrient retention (pH H2O, CEC, and organic C), salinity, N-total, texture, and drainage. The results of the evaluation of land suitability were categorized into four classes, namely, highly suitable (S1), moderately suitable (S2), marginally suitable (S3), and not suitable (N). The overlays obtained in Moyo Hilir District for land suitability for tomato and chili commodities are in two classes, namely highly suitable (S1) and moderately suitable (S2), with an area of S1 tomato 19315.52 ha, S2 tomato 813.03 ha, S1 chili 19310.26 ha, and chili S2 818.29 ha.

Limbah kemasan suatu produk atau barang yang sudah tidak digunakan lagi masih dapat didaur ulang menjadi barang yang bermanfaat dan bernilai secara ekonomi. Pada umumnya Sampah anorganik sangat sulit terurai secara alami. Masalah volume sampah yang semakin meningkat perlu ditangani dengan bijak agar pencemaran lingkungan bisa dihindari, terutama sampah anorganik berupa botol plastik. Kesadaran masyarakat dalam menangani sampah, khususnya botol plastik masih sangat rendah. Salah satu cara yang dapat dilakukan adalah dengan memberikan edukasi dan pendampingan langsung kepada masyarakat tentang teknik pengelolaan sampah anorganik khususnya botol bekas atau wadah plastik lainnya menjadi produk yang lebih bermanfaat. Pemanfaatkan botol bekas sebagai media tanaman hidroponik adalah cara yang cukup efektif untuk membangkitkan minat dan kesadaran masyarakat tentang pentingnya mengelola limbah botol plastik. Kegiatan ini juga sebagai sarana pembelajaran dan motivasi kepada masyarakat tentang peluang usaha hidroponik dengan menggunakan media botol plastik. Selain itu hal ini dapat menjadi alternatif kegiatan yang sangat produktif untuk masyarakat, terutama pada masa pandemi covid-19 dan diberlakukannya work from home oleh pemerintah.

Land degradation consequence utilization of inappropriate causes depreciation watershed performance. the importance of using the land for conservation and cultivation requires wise handling. Tobacco gives good impact to conservation and beneficial to cultivate. Therefore, evaluation of land for tobacco is important. The purpose of this research is to determine land evaluation for tobacco plants at Lombok island with divider rainfall, land slope, temperature and soil depth with the geographic information system. The results of the land evaluation analysis show that 0% S1 (highly suitable), 32.2% S2 (moderately suitable), 66.4% S3 (marginally suitable) and 0.4% (not suitable). With that result, tobacco plants cultivation as land conservation can be developed in Lombok island.