Judul: Perencanaan Operasi Pompa Air pada Jaringan Irigasi Tanaman Cabai Merah Besar Hibrida (Capsicum annuum var. longum L.) di Proyek Cabai Resinda - Karawang
Abstrak: Peueutuan wahTu dau jullllah pemberian air irigasi secara tepat diperloltan uutulc 111e~li11gkatkarl lallfaat siste111 irigasi. Peiljadwala11 irigasi secara tepat ynng diikliti dell~ap~el~ lgopel.asianj aringall irigasi secara beilar tlapat i ~ ~ e ~ ~ i ~ ~ gcl tfiaslicl i~;l~siin ri gasi, dall me~nudahkanp elaltsauaau operasio~iald i lapangan (Raes et al., 1987). Penelitian lllasalab khusus iui dilaltsauakau di Proyelc Cabai - Resu~da, I<ara\\:ang, beitujuan untuk lneueutultan walctu dan judah pe~nberiaua ir irigasi tatlamaii cabai; meiieutukan jadwal dau lama pengoperasian pompa air, dali mei~gl~ituilbgi aya isigasi. Meugikuti kerangka pelniban yaug ada, tahapau awal penelitian masalah khusus adalah lneugidentifikasi dai~rn engu~upullcand ata yang digunaltan sebagai input program IRSIS, antara laill faktor iklini, falctor tauanlan, faktor lahan, clan e\~al)otranspirasi.O utput program tersebut belxpa iuteival dai~ju mlah pemberian air irigasi. Tallilpan berilxituya adalali nienentukan laina pengoperasian pompa, yaug selal~jotilya digunakail ontult nie~l_ellituilgb iaya irigasi.
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Judul: Rancangan Jaringan Irigasi Tetes untuk Tanaman Cabai MerahHibrida (Capsicum annum var. longum L.) di Proyek Cabai-Resinda, Karawang
Abstrak: Krisis ekonomi yang melanda Indonesia sejak tahun 1997 telah menimbllikan dampak positif di sektor pertanian, yang ditandai dengan meningkatnya usaha-usaha pemberdayaan lahan tidur melalui budidaya tanaman. Salah satu unsur penting dalam budidaya tanaman adalah irigasi, yang diartikan sebagai pemberian air ke dalam tanah dengan tujuan untuk mempertahankan kelembaban tanah yang sesuai bagi pertumbuhan optimal tanaman dan mencuci bahan~bahan yang dapat meracuni tanaman. Pemberian air tersebut dapat dilakukan dalam beberapa metoda. yaitu penggenangan (flooding), penyemprotan (oprinkling), dan tetesan sinambung di dekat tanaman (lrickle/drip). Metoda irigasi tetes (trickle/drip irrigation) merupakan metoda yang paling disien dibandingkan metoda irigasi lainnya.
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Judul: Distribution and Diversity of Ectoparasite Mites on Geckos in Indonesia
Abstrak: Data on the diversity and dispersal of parasitic mites on house geckos in Indonesia are very scarce. In this work, the distribution and diversity of mites living on three species of house geckos, namely Cosymbotus platyurus, Hemidactylus frenatus, and H. garnotii collected throughout Indonesia, has been elaborated. Geckos and mites were captured and immediately preserved in 70% ethanol. Whole mount of the mites was prepared by clearing in lactophenol followed by mounting on polyvinyl lactophenol solutions. The SEM preparation was conducted to examine the detail morphological characters of the mites. The results showed that among 448 individuals of geckos, 221 geckos were infected by Geckobia mites. Prevalences of C. platyurus, H. frenatus, and H. garnotii infested by mites were 14.8%, 50.69%, and 79.6%, respectively. Three different spesies of Geckobia (G1, G2, and G3) could be differentiated; and based on similarities of their morphological characters to ones described in published literatures, Geckobia G2 is Geckobia glebosum and Geckobia G3 is Geckobia bataviensis while G1 could not be identified to the species level. The highest mean intensity of Geckobia G1 infestation was found on H. garnotii (I=7.0), G. glebosum infestation on H. frenatus (I=3.5), and G. bataviensis infestation on H. garnotii (I=11.8). In general, C. platyurus was infested by the least number of mites. Geckobia G1 were found living on the skin folds on the claws, G. glebosum were found mainly on the body and thigh, and G. bataviensis were found on almost all parts of the host’s body. Geckobia mites are distributed randomly throughout Indonesian Archipelago, following the pattern of distribution of their hosts. So it is concluded that Geckobia G1, G. glebosum, and G. bataviensis are sympatric.
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