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Agroland : Jurnal Ilmu-Ilmu Pertanian
Published by Universitas Tadulako
ISSN : 0854641X     EISSN : 24077607     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agroland : jurnal Ilmu-ilmu pertanian diterbitkan 3 kali dalam satu tahun. Jurnal ini diterbitkan oleh Fakultas pertanian Universitas Tadulako dengan tujuan untuk meningkatkan kapasitas Dosen diLingkup Fakultas Pertanian dalam Bidang Penelitian dan sebagai penunjang dalam Tri Dharma Perguruan tinggi.
Arjuna Subject : -
Articles 14 Documents
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Search results for , issue "Vol 16, No 2 (2009)" : 14 Documents clear
VIABILITAS SEMEN SAPI SIMENTAL YANG DIBEKUKAN MENGGUNAKAN KRIOPROTEKTAN GLISEROL Muhamad Ilyas Mumu
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 2 (2009)
Publisher : Universitas Tadulako

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Abstract

This experiment used semen from a Simental bull, age 4 years old, 850 kg in weight and was healthy especially his reproduction organ.  Semen collection was done twice a week using an artificial vagina.  Soon after the semen was evaluated, it was diluted with tris aminomethan plus egg yolk and three concentration of glycerol namely 3% (G1), 5% (G2) and 7% (G3).  The semen was packed in 0.25 ml straw and maintained in equilibrium at 5oC for 4 hours and frozen in liquid nitrogen for 60 minutes.  Data collected were motility and percentage of living spermatozoa after freezing.  The experiment used a Completely Randomized Block Design.  The results showed that motility and percentage of living spermatozoa after freezing for each treatment were not significant (P>0.05).  The effect of those three treatments on motility and percentage of living spermatozoa after freezing were 40.2% and 59.6% for G1, 41.2% and 63.8% for G2 and 39.8% and 57.8% for G3, respectively, but the G2 treatment was better in protecting the quality of the spermatozoa than the other treatments. It was appeared that the level of glycerol at 5% concentration is an optimal dosage for maintaining the quality of the frozen semen
RESPON TANAMAN TOMAT (Lycopersicum esculentum Mill) PADA AWAL PERTUMBUHAN TERHADAP KERAGAMAN UKURAN AGREGAT ENTISOL Uswah Hasanah
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 2 (2009)
Publisher : Universitas Tadulako

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Abstract

The distribution of soil structural units controls theavailability of oxygen, water, and the resistance to penetration by shoots and roots in seedbeds created by tillage. The objective of this study was to determine the effects of variation in soil aggregate size distribution on early growth and evapotranspiration of tomato. Fresh and dry matter of tomato, root length and evapotranspiration, determined 5 weeks after planting, were evaluated in a green house experiment with packed soil aggregates sieved from an Entisol. A complete randomized design of 3 different aggregate size distribution (<0.5; 0,5-2; and 2-4 mm) was applied. Increasing aggregate size distribution caused the fresh and dry matter of shoot and root and root length to increase corresponding to decrease in soil bulk density. The aggregate size distribution of 2-4 mm produced the most optimal Entisol structure for early growth of tomato.
ANALISIS PRODUKSI DAN PEMASARAN JAGUNG DI DESA LABUAN TOPOSO KECAMATAN TAWAELI KABUPATEN DONGGALA Cristoporus Cristoporus; Sulaeman Sulaeman
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 2 (2009)
Publisher : Universitas Tadulako

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Abstract

The objective of this study was to identify factors involving in production, marketing, margin of marketing and efficiency of marketing in Labuan Toposo, district of Tavaeli, Regency of Donggala. Samples were purposively chosen from a corn prroducer area. The total number of samples used were 39 people, consisted of 30 farmers, 4 collecting seller, and 5 retailing seller. Primary and secondary data were collected by direct interview with the farmers. The results indicated that all variables were significance at α 1% on corn production with F-test (156.37) > F-table (4.18). Partially, farm area size (X1) was highly significance with t-test (2.88)>t-table (2.78). Others variables shown significance were seed (X2) with t-test (2.36) > t-table (2.06) and manure (X4) with t-test (2.41)>t-table (2.06). The only variable shown not significance was employer (X3) with t-test (1.74)>t-table (2.06). Marketing analysis showed that type one marketting channel which has margin of IDR 250 was as followed farmer, collecting seller, and consumer, respectively.  It is more efficient than type two channel: farmer, collecting seller, retail seller, and consumer, respectively, having margin of IDR 750.
ONSET DAN INTENSITAS ESTRUS KAMBING PADA UMUR YANG BERBEDA Mohammad Ismail
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 16, No 2 (2009)
Publisher : Universitas Tadulako

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Abstract

An experiment was conducted at the research station of animal husbandry departement, Agricultural Faculty, University of Tadulako Palu. This experiment was carried out from April to March 2008. The objective of the study was to determine the effect of various ages of female local goats on the onset and intensity of estrus. 18 non pregnant local female goats and 3 males as teaser to detect estrus were used in this experiment. Experiment consisted of two stages; preparation period and observation period. At the first stages the animals were adaptated to the experimental condition, such as feeding concentrate and injection of PGF 2α to syncronize estrus. The estrus syncronization was done by applying twice injections of PGF 2α at day 1 and day 12. The observation period for detection of the estrus onset was done by observing the time interval between injection of PGF 2α and the first estrus onset. This parameter was expressed in hour unit. Observation of estrus intensity was done by detecting level of estrus symptom appeared to every single female goat. The symptom was characterised by different behavior of the goat females at the time of estrus and changes of physical reproductive organs. The results of analysis indicated that different ages significanly affected (P<0.01) the estrus onset and intensity of the animals. The estrus onset of the local goat after estrus syncronization took place at hour 70.06 to 138.42. The onset of estrus was earlier for animals which already gave birth more than once.  The animals which had never given birth were the last ones which showed the estrus. The estrus intensity was evident in the animal given birth more that once, whereas for those animals which only experienced giving birth once the intensity was less evident.

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