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Belajar - Berlatih - Sejahtera
LEARN - PRACTICE - BE RICH
Belajar - Berlatih - Sejahtera
LEARN - PRACTICE - BE RICH
Belajar - Berlatih - Sejahtera
LEARN - PRACTICE - BE RICH
Belajar - Berlatih - Sejahtera

PUBLIKASI ILMIAH DOSEN JURUSAN MANAJEMEN PERTANIAN LAHAK KERING

RESPON PADI SAWAH PADA SISTEM BUDIDAYA SECARA MIXCROPPING DENGAN TANAMAN DUCKWEED

Donatus Kantur, Rupa Matheus

 Abstrak. The aim of the research was to find the effect of mixcropping system of rice and duckweed toward agronomy performance of rice. The treatments were tested: monoculture of rice (Pdmono), mixcropping rice with Lemna, Lemna planting 1 week before rice planting (PdLM1), mixcropping rice with Lemna, Lemna planting at rice planting (PdLM2), mixcropping rice with Lemna, Lemna planting 1 week after rice planting (PdLM3), mixcropping rice with Spirodela , Spirodela sp planting before 1 week rice planting (PdSd1), mixcropping rice with Spirodela, Spirodella planting at rice planting (PdSd1), mixcropping rice with Spirodela , Spirodela planting before 1 week rice planting (PdSd1), monoculture Lemna and monoculture Spirodela. The result showed that, cropping pattern not significant to plant height, number of tillers, percent of empty grain and 1000 grain weight compare to other variables, Cropping pattern PdLm3 resulted number of productive tillers and grain dry weight as higher compared to other cropping pattern.  

Key Words: Response, Rice, Mixcropping system, Duckweed

 

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IDENTIFIKASI POTENSI PENGEMBANGAN DAN TAMPILAN FISIK KIMIA RUMPUT LAUT DI BEBERAPA WILAYAH PERAIRAN NTT

Maria Susana Medho, Endeyani V. Muhamad

 Abstrak. The aim of the research is to identify sea weed potential development,  sea weed for carragenan,  and sea weed post harvest handling in several coastal area in East Nusa Tenggara that is Alor, Sumba, Sabu, and Kupang. The research have done in two stage. The first stage is identify potential developmen and the kind of seaweed, time of harvest, and post harvest handling. The second stage is extraction to indentify functional structure seaweed that is classified in kappa carragenan or iota carragenan. Result of the research show that seaweed that is cultivated at Alor and Tablolong Kupang coastal  classified Estriatum Sakul. This seaweed   have clump with short branch, relatively small  thallus diameter and cylindris, green colour and slick surface.The harvesting time of this seaweed aproximately 45 - 60 days. Seaweed from coastal Sabu and Sumba classified  as Eucheuma cottonii  with relatively long branch and cylindris talus. Seaweed from Sabu have  red green colour and from Sumba have green yellow. The harvesting time of  seaweed from Sabu and Sumba  approximately 30 - 60 days. The other seaweed from Tablolong Kupang classified  Eucheuma cottonii with different colour that is red . This seaweed have big and long talus. All of the seaweed from this several coastal area have carragenan functional structure is kappa or iota carrageenan. the most high rendemen carragenan  is Estriatum Sakul from Alor with 47,5 %, followed by Eucheuma cottonii 41,5 %from Tablolong Kupang and Estriatum Sakul 35,41 %.

Key Words: Identification, Seaweed, Carragenan

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