Judul: Kesinambungan Usaha Bisnis Kemitraan Ayam Ras Pedaging (Kasus di Tuans Mekar Farm Bogor)
Abstrak: Usaha peternakan ayam ras pedaging merupakan salah satu alternatif usaha yang cepat menghasilkan dan waktu pemeliharaan yang singkat. Hal ini merupakan daya tarik bagi peternak untuk terjun dalam usaha ternak ayam ras pedaging. Bagi para peternak ayam, usaha ayam ras pedaging masih memiliki beberapa kendala, diantaranya kurangnya stabilisasi penyediaan DOC dan pakan dalam negeri yang murah serta berkualitas masih jauh dari yang diharapkan sehingga harganya fluktuatif. Padahal 50- 70 persen biaya produksi ayam ras adalah pakan. Kendala lainnya yaitu kurangnya modal dan sulitnya peternak untuk memasarkan produk ayamnya. Oleh karena itu terciptalah sistem kemitraan yang bertujuan untuk membantu peternak kecil mengurangi resiko kerugian yang dapat membuat pendapatannya meningkat dengan cara meningkatkan skala usahanya, menurunkan biaya produksi dan kontinuitas tersedianya sapronak, menjamin pemasarannya serta menjaga kesinambungan usahanya. Tujuan dari penelitian ini adalah untuk menganalisis hubungan peubah-peubah yang diteliti antara lain: (1) etika bisnis, (2) kepemimpinan, (3) motivasi kerjasama, (4) Performance Numerical, dan (5) kontrak kerjasama dengan kesinambungan hubungan usaha kemitraan yang sedang berlangsung.
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Judul: Kesinambungan usaha bisnis kemitraan ayam ras pedaging kasus di Tunas Mekar Farm Bogor
Abstrak: Contract farming has been in existence for many years as a means of organizing the commercial agricultural production of both large scale and small scale farmers. Contract farming can be defined as an agreement between farmers and marketing firms form the production and supply of agricultural product under forward agreements, frequently at predetermined prices. The objective of this research is to know relation between the analized factors wich are (1) business ethics (2) leadership (3) partnership motivation (4) performance numerical (5) contract agreements, and the sustainable contract farming. Primary data were collected by interviewing the farmers and analized using multiple regression. The result of the estimates equation of sustainable contract farming is Y= -1,740+2,939X1+1,817X4–0,911X5. Only business ethics and performance numerical were significant at the 95% level. The condition of the contract farming at Tunas Mekar Farm will be sustainable if the performance of business ethics and performance numerical improved significantly. It means that both side involved in the broiler business contract should make the best efforts to maintain it.
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Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell