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Keanekaragaman dan kelimpahan artropoda pada pertanaman bawang daun dan wortel yang ditanam secara monokultur dan tumpangsari
(2015)
Green onion is a seasonal crop with ecological conditions that are frequently changed. This makes unstable condition between populations of pests and natural enemies (predators, parasitoids and pathogens). Brief observations ...
Manajemen Penunasan Kelapa Sawit (Elaeis guineensis Jacq.) DI Kebun Adolina PTPN IV, Serdang Bedagai, Sumatera Utara
(2015)
This internship activities were carried out at the Adolina Plantation, PTPN IV, Serdang Bedagai, North Sumatera from February 2014 until June 2014. Internship activity aims to improve knowledge, skills and competence in ...