Judul: Penelitian Laboratorium Karakteristik Bahan Lateral Berpori pada IrigasiTetes Metoda Via-Flow
Abstrak: Kemajuan pertanian menuju agribisnis dan agroindustri harus ditunjang dengan penggunaan teknologi yang tepat guna untuk meningkatkan efisiensi dan efektifitas pelaksanaannya. Salah satu teknologi dalam bidang pertanian adalah teknologi irigasi. Teknologi penetes pip a berpori pada irigasi tetes baru diperkenalkan di Indonesia yang peralatannya diimpor dari negara lain. Supaya para petani tingkat menengah bisa menggunakan teknologi ini, perlu modifikasi bahan pipa tersebut. Penelitian ini mencoba untuk memodifikasi bahan pipa dengan bahan tekstil yang tersedia di pasaran dalam negeri dengan harga yang cukup murah.
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Judul: Penelitian Lapang Pipa Lateral dari Jenis Kain Fematex Keliling 8 CM untuk Sistem Irigasi Tetes Metoda "Via-Flow"
Abstrak: Via-floi11 merupakan salah satu teknologi irigasi tetes, bentuknya memanjang dan pipih. Sistem ini hanya cocok untuk penanaman di bedengan, bukan pot dan bisa mengikuti kontur tanah yang naik tutun. Via-flow yang ada di pasaran masih impor dari luar negeri yakni Belanda. Tentunya bagi petani kecil akan mengalami hambatan untuk memperoleh dan membelinya. Sehingga diperlukan bahan alternatif untuk sistem ini dan ilistalasi irigasi untuk operasional di lapangan yang dapat dengan mudah diperoleh, harganya tejangkau, dapat dibuat sendiri oleh petani dan rnudah untuk mengoperasikan di lapangan. Untuk itu diperlukan suatu penelitian lapang sebagai lanjutan dari penelitian labotarorium karakteristik bahan pipa lateral berpori pada irigasi tetes metoda via-flow.
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Judul: Categorization in Macaca fascicularis.
Abstrak: Categorization is an ability to group individuals or events into different classes mediated by conceptualized mental images. There are several levels of categorization and within a taxonomy the levels are nested. At the most concrete level of categorization, all or most members of the category shared common physical attributes that differ from other categories. The higher the level of category, the fewer common attributes between members of the group. In addition to humans, the ability to categorize has also been proposed in animals. One example of categorization in animal is species discrimination. Using matching-tosample task, present experiment tested ability of the long-tailed macaque (Macaca fascicularis) in discriminating dichotomous-stimuli of different animals. The species has been shown to be able to see photos as representations of real object so I used facial photos of humans and animals for the stimuli. First, I tested their ability to classify humans and macaques into separate group. Second, I tested their ability to discriminate their conspecific from other macaques. And the last, I tested whether the subjects were able to discriminate non-human animals from humans. In all of these experiments I found that the subjects showed high performance in categorizing objects, even when I discarded details of visual informations, such as color and local shapes. The ability to identify objects with reduced representation of physical properties means the subjects were able to generalize attributes of members of the group. This would indicate that the subjects created a higher level abstraction. On the other hand, in discriminating intrageneric macaque species I found that they were able to extract uniqueness of each species. More over, I also found that the subjects were able to put photos of non-human animals that shared very few similarities in physical percepts into one group. I suggested that the subjects could create a more abstract concept based on non-percepts relations as a basis to put the objects into one category. Thus, I concluded that M. fascicularis were able to perform multiple levels of categorizations.
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