Purpose. This study aims to discover Field Agricultural Counseling (FCA) role in adoption of jajar legowo system for rice farmers, rice farmers income before and after adoption of jajar legowo system, and factors that influences the adoption process which are age, education, and land area. Methodology / approach. This research is using survey method by questionnaire. This research took place in Pakisaji, Malang, started from December 2016 until May 2017. 74 rice farmers were asked to fill the questionnaire according to research objectives. Results. It is found that different class of rice farmers adopting jajar legowo system has different perceptions of FCA role regarding their work in counseling rice farmers to adopt jajar legowo system. It is also determined that by adopting jajar legowo system, rice farmer income has increased. Factors that has significant influence on adoption of jajar legowo system are education and land area, but age has no significant influenced. Originality / scientific novelty. The originality of this research is the idea to discover farmer’s opinion and experiences of adopting jajar legowo system. It is because this system is unique and different from others.   Practical value / implications. Practical value is determined by the result of this research as it can be used to evaluate better application of jajar legowo system for each class of farmer. Key words: jajar legowo, technology adoption, agriculture economics.

ABSTRAKKegiatan usahatani jahe merah pada lahan sempit dengan memanfaatkan limbah kantong atau zak semen bekas merupakan satu upaya pemanfaatan peluang usahatani dengan meminimalisir dan menekan kerusakan lingkungan akibat limbah kantong atau zak. Pada kegiatan awal Pengapdian kepada Masyarakat (PkM), ditemukan bahwa petani di Desa Bangka Ajang belum memiliki pengetahuan serta ketrampilan dalam kegiatan usahatani jahe merah pada lahan sempit dengan memanfaatkan limbah kantong atau zak semen. Berangkat dari kondisi tersebut, solusi yang telah dilakukan adalah melakukan kegiatan analisis situasi tingkat petani, mengelompokan petani, memberi penyuluhan usahatani jahe merah, demplot, diskusi bersama, evaluasi, dan rencana monitoring. Petani yang belum memahami materi penyuluhan pertanian, akan didampingi secara intensif. Adapun metode kegiatan yang dilakukan, yaitu (1) metode observasi langsung, (2) metode wawancara terstruktur, (3) metode ceramah, demonstrasi, simulasi, (4) Metode diskusi terbuka. Kegiatan penyuluhan pertanian dengan sistem latihan dan kunjungan dikatakan efektif karena para petani mampu menjelaskan kembali materi penyuluhan yang disampaikan dan juga prosedur dalam kegiatan demplot sesuai yang disampaikan oleh narasumber. Dari hasil evaluasi dan monitoring yang dilakukan setelah 1 bulan kegiatan penyuluhan, diketahui bahwa Petani di Desa Bangka Ajang sudah berkomitmen dan melaksanakan kegiatan usahatani budidaya jahe merah pada lahan sempit dengan memanfaatkan limbah kantong atau zak semen.Kata kunci: lahan sempit; limbah kantong semen; usahtani jahe merah ABSTRACTRed ginger farming activity on narrow land by utilizing waste cement bags to exploit farming opportunities by minimizing and suppressing environmental damage due to bag waste. In the initial Community Service activity, it was found that farmers in Bangka Ajang Village did not yet have the knowledge and skills in red ginger farming activities on narrow land by utilizing cement bags. The solution that has been carried out is to conduct farmer-level situation analysis activities, group farmers, provide counseling on red ginger farming, demonstration plots, joint discussions, evaluation, and monitoring plans. Farmers who do not understand agricultural extension materials will be assisted intensively. The methods of activities carried out are (1) direct observation method, (2) structured interview method, (3) lecture method, demonstration, simulation, (4) open discussion method. Agricultural extension activities with a training and visit system are effective because the farmers can explain again the extension material presented and also the procedures in the demonstration plot activities according to what the informants say. From the results of evaluation and monitoring carried out after 1 month of extension activities, it is known that farmers in Bangka Ajang Village have committed and carried out red ginger farming activities on narrow land by utilizing cement bags.