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Mochammad Hasan
Politeknik Pertanian Negeri Kupang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences Veterinary

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SELEKSI KETAHANAN KEKERINGAN BEBERAPA KULTIVAR JAGUNG LOKAL TIMOR PADA FASE PERKECAMBAHAN Ali Hasan; Theresia Ginting; Mochammad Hasan
Partner Vol 22, No 2 (2017): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v22i2.249

Abstract

The objective of this research is to investagate the level of drought resistance of some local corn cultivars from Timor in the germination phase. The single factor study is the genotype of maize origin of Timor which consists of 22 cultivars. The study was arranged in a complete randomized design (RAL) and repeated 3 times. The observed variables were germination (DB) expressed in% and normal dried germination weight (BKKN), expressed in grams. The analysis of heritability values (h2) was measured by comparing the genotypes of the various phenotypes (total). The h2 value was greater than 0.5 indicates a genotype diversity of drought resistance. Furthermore, the drought resistance rating based on DB difference (DB aquades-DBPEG) and BKKN aquades - BKKN PEG (BKKN aquades - PEG) difference. The result of the research shows that the calculation of h2 value of 22 East Maize cultivars on DBPEG and BKKNPEG measurements is 0.721 and 0.938, respectively, which means that there is a diversity of drought resistance of 22 cultivars tested. Muke Merah corn cultivars (flowers) Muke White (flowers), White Malacca 1, White Haikesak, White Tastim, and Red Fatumonas (flowers) have good potencial to be used as ingredients in breeding programs to obtain drought tolerant varieties of maize. Key Word: Corn, Genotype selection, drought resistance, germination
PERSENTASE BAHAN PEMBUATAN KOMPOS (DAUN LAMTORO : SABUT BUAH LONTAR : PUPUK KANDANG SAPI) UNTUK MENGHASILKAN KOMPOS YANG BERKUALITAS Aloysius Ng. Lende; Mochammad Hasan; Leny M. Mooy; Suryawati Suryawati
Partner Vol 22, No 2 (2017): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v22i2.241

Abstract

Compost is organic material (organic waste) that has undergone a weathering process because of the interaction between microorganisms (bacteria decomposition) that work in it.  Organic materials such as leaves, grass, straw, the remains of twigs, branches and animal waste. In the open nature of compost can occur by itself through a natural process. But   the process lasts for so many years. Therefore the process needs to be accelerated with the help of human. The purpose of this study was to assess the percentage of good natural ingredients for the manufacture of quality compost. The experiment was conducted with single randomized block design (RBD) of compost (lamtoro: lontar fruit fiber: cow manure) with 6 percentage treatment and 4 repeat so that obtained 24 unit of experiment, that is: P1: leaf lamtoro 20% + 30% lontar fruit fiber + 50% cow manure, P2: 30%  leaf lamtoro + 20%  lontar fruit fiber +   50% cow manure, P3: leaf lamtoro 50% + 30%  lontar fruit fiber + 20%  cow manure, P4: 20%  leaf  lamtoro + 50%  lontar fruit fiber + 30%  cow manure,  P5: 30%  leaf  lamtoro  + 50%  cow   manure 20%,  P6 : leaf lamtoro 50% + 20%  lontar fruit fiber + 30% cow manure. Percentage of compost material from leaf lamtoro: lontar fruit fiber: cow manure on treatment P6 shows higher temperature and humidity than other treatments. Results of macro and micro nutrient analysis showed nutrients level from medium to high. The results of the C/N ratio analysis show low result when compared to the C/N ratio level status. Keywords: compost, leaf lamtoro, lontar fruit fiber, cow manure and percentage
Co-Authors Ali Hasan Aloysius Ng. Lende Leny M. Mooy Suryawati Suryawati Theresia Ginting