Browsing by Author "Sampurno"

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    COMPOST LCC MUCANABRACTEATA AND NPK TABLET FERTILIZER APPLICATION ON THE GROWTH OF OIL PALM SEEDLINGS ( ELAEIS GUINEENSIS JACQ) IN THE MAIN NURSERY
    (2014-06-23) Manurung, Gulat; Sampurno; Khoiri, M. Amrul
    This research aim to know giving influence of compost LCC Mucunabracteata( MB) and NPK tablet at growh of seed palm and best treatment at growth of seed palm in main mxsery bed. This treatment in executing experimentally with by using Completely randomized design ( RAL) which consist of 5 treatment and 3 restating, so that entirely 15 attempt units. Every attempt unit consisted of 3 polybag crop and 2 between it as sample, P0: Without fertilizer, P1: compost LCC MB 25 gl10 soil;land;ground kg + NPI( I tablet, P2: compost LCC MB 50 g/10 soil;land;ground kg +NPK 2 tablet, P3: compost LCC MB 75 g/10 soil;land;ground kg + NPK 3 tablet, P4:compost LCC MB 100 g/10 soil;land;ground kg + NPK 4 tablet. Analysis of variance result showing existence of reality difference, continued with tested to be continuation with deep experiment Duncans New Multiple Range Test ( DNMRT) at level 5 %. Based on research result which has been done indicates that giving of compost LCC + NPK TABLET at nursery bed of palm in main nursery bed had an effect on to high increase, increase of number of leaves, cusp diameter, root volume, dry weight and seed root coronet ratio. From this research giving best influence at dose 100 g/10 soil;land;ground kg + 4 tablet.
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    PEMANFAATAN LIMBAH SAGU SEBAGAI SUBSTITUSI PUPUK KANDANG PADA JAGUNG MANIS
    (2014-06-02) Sampurno; Yunianti, Rahmi; Syukur, Muhamad
    The objective of this experiment was to obtain manure substitution levels with decomposed sago waste which suitable to sweet corn production. The experiment was carried out at experimental field of Faculty of Agriculture, Riau University, from August 1998 to January 1999. The experiment was arranged in randomized block design with single factor and three replications. Thirteen levels of sago waste substituted were treated : 100% manure as the control (P0), substituted 25% with sago waste that decomposed 4 weeks (P t), substituted 25% with sago waste that decomposed 6 weeks (P2), substituted 25% with sago waste that decomposed 8 weeks (P3), substituted 50% with sago waste that decomposed 4 weeks (P4), substituted 50% with sago waste that decomposed 6 weeks (P5), substituted 50% with sago waste that decomposed 8 weeks (P6), sibstituted 75% with sago waste that decomposed 4 week (P7), substituted 75% with sago waste that decomposed 6 weeks (P8), substituted 70% with sago waste that decomposed 8 weeks (P9), substituted 100% with sago waste that decomposed 4 weeks (P10), substituted 100% with sago waste that decomposed 6 weeks (P11), substituted 100% with sago waste that decomposed 8 weeks (P12). The result showed untill 50% substituted with suitable duration of decomposition, production of sweet corn not significantly different with the control. Qualitatively, sago waste increased diameter of corn untill 75% substituted, and increased weight of 100 grains and length of corn until 100% substituted
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    Pemberian Pupuk Organik Dan Anorganik Pada Bibit Kelapa Sawit ( Elies guaninsis)di Pembibitan Utama
    (2013-04-17) Sampurno; M.E. Manurung, Gulat; Indra Saputra, Sukemi
    Program pengembangan dan pembangunan perkebunan kelapa sawit sangat menguntungkan bagi berbagai aspek, baik ekonomi, social, maupun lingkungan. Ditinjau dari aspek ekonomi, perkebunan kelapa sawit dapat mendukung industri dalam negeri berbasis produk berbahan dasar kelapa sawit. Ditinjau dari aspek sosial, terjadi penyerapan tenaga kerja dalam jumlah besar dan memperkecil kesenjangan pendapatan petard dan pengusaha perkebunan. Dari aspek lingkungan, adanya pengembangan dan pembangunan perkebunan kelapa sawit yang telah lama terbuka dan tidak produktif akan merehabilitasi lahan yang kritis. Selain itu, terbangunnya perkebunan yang luas akan menambah penyediaan oksigen serta sekaligus penyerapan karbon.