PENGARUH KOMBINASI PUPUK UREA, ZA, DAN TSP TERHADAP LAJU PERTUMBUHAN DAN KANDUNGAN POLISAKARIDA EKSTRASELULER Porphyridium sp.

LUTFI KURNIATI BAROKAH , 1217021043 (2016) PENGARUH KOMBINASI PUPUK UREA, ZA, DAN TSP TERHADAP LAJU PERTUMBUHAN DAN KANDUNGAN POLISAKARIDA EKSTRASELULER Porphyridium sp. UNIVERSITAS LAMPUNG, FAKULTAS MATEMATIKA DAN ILMU PENGETAHUAN ALAM .

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Abstrak

Penelitian ini bertujuan untuk mengetahui pemberian kombinasi pupuk urea, ZA, dan TSP terhadap laju pertumbuhan dan kandungan polisakarida ekstraselular Porphyridium sp. Penelitian dilakukan menggunakan Rancangan Acak Lengkap (RAL) dengan perlakuan kombinasi pupuk: A (25 mg/l Urea : 30 mg/l ZA : 10 mg/l TSP); B (50 mg/l Urea : 30 mg/l ZA : 10 mg/l TSP); dan C (75 mg/l Urea : 30 mg/l ZA : 10 mg/l TSP). Perlakuan kontrol dalam penelitian dilakukan dengan menggunakan pupuk conwy dan terpisah dari rancangan di atas. Parameter yang diamati yaitu kepadatan populasi, laju pertumbuhan, dan kandungan polisakarida ekstraseluler. Data hasil penelitian dianalisis ragam pada α = 5%. Hasil analisis data menunjukkan bahwa perlakuan kombinasi pupuk berpengaruh nyata terhadap laju pertumbuhan, kepadatan populasi, dan kandungan polisakarida ekstraseluler Porphyridium sp. Laju pertumbuhan, kepadatan populasi, dan kandungan polisakarida ekstraseluler Porphyridium sp., secara berurutan diperoleh dari perlakuan kombinasi pupuk dengan konsentrasi urea 75 mg/l, 50 mg/l, dan 25 mg/l. Kata Kunci: Porphyridium sp, laju pertumbuhan, dan polisakarida ekstraseluler ABSTRACT The purpose of this study was to determine the provision of combinations of urea, ZA, and TSP to the growth rate and extracellular polysaccharide content of Porphyridium sp. The study was conducted using a completely randomized design (CRD) with combination treatment of fertilizer: A (25 mg / l of urea: 30 mg / l ZA: 10 mg / l TSP); B (50 mg / l of urea: 30 mg / l ZA: 10 mg / l TSP); and C (75 mg / l of urea: 30 mg / l ZA: 10 mg / l TSP). Control treatment in the study carried out by using fertilizers conwy and apart from the design above. The parameters observed were the density of population, growth rate, and the content of extracellular polysaccharides. The data were analyzed using ANOVA at α = 5%. The results of data analysis showed that the combination treatment of fertilizer significantly affected the rate of growth, population density, and the content of extracellular polysaccharide Porphyridium sp. Growth rate, population density, and the content of extracellular polysaccharide Porphyridium sp., sequentially obtained from a fertilizer with a combination treatment of urea concentration 75 mg / l, 50 mg / l and 25 mg / l. Keywords: Porphyridium sp., growth rate, and poplation density

Tipe Karya Ilmiah: Skripsi
Subyek: Q Science (General)
Program Studi: Fakultas MIPA > Prodi Biologi
Depositing User: 64496511 . Digilib
Date Deposited: 09 Jun 2016 02:53
Last Modified: 09 Jun 2016 02:53
URI: http://digilib.unila.ac.id/id/eprint/22387

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