Tanaman seledri dipergunakan sebagai pelengkap masakan ataupun sebagai obat. Tingginya permintaan seledri dalam bentuk segar oleh masyarakat Indonesia belum dapat terpenuhi, selain itu tanaman seledri bersifat aditif dalam bahan makanan sehingga dipergunakan dalam jumlah sedikit tetapi penting. Penelitian dilaksanakan pada bulan Mei – Agustus 2014 di Screen House Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Kabupaten Sumedang, Jawa Barat dengan ketinggian sekitar 700-800 m dpl. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) pola faktorial dua faktor. Faktor pertama terdiri dari 2 taraf, yaitu kain sumbu bahan wol dan kain sumbu bahan katun. Faktor ke dua adalah media tanam yang terdiri dari beberapa 5 taraf yaitu media tanam 100% kompos, media tanam 50% kompos + 50% arang sekam, media tanam 25% kompos daun bambu + 75% arang sekam, media tanam 75% kompos daun bambu + 25% arang sekam dan media tanam 100% arang sekam. Sehingga terdapat 10 kombinasi taraf perlakuan yang diulang sebanyak tiga kali.Uji lanjut menggunakan uji jarak berganda Duncan. Parameter utama yang diamati adalah tinggi tanaman, jumlah batang, dan bobot segar. Hasil penelitian menunjukkan bahwa terjadi interaksi antara jenis sumbu dan media tanam pada tinggi tanaman dari umur 3 MST sampai umur 8 MST dengan perlakuan (s2m2), pada jumlah batang terjadi interaksi pada umur 6 dan 8 MST dengan perlakuan (s2m3), bobot segar terjadi interaksi umur 8 MST dengan perlakuan (s2m2). Jenis sumbu dan media tanam yang paling baik pada umur 8 MST terhadap tinggi tanaman dan bobot segar adalah (s2m2) sedangkan pada jumlah batang terdapat pada perlakuan (s2m3). Celery plant is used as a food supplement or as a medicine. The high demand in the form of fresh celery by the people of Indonesia has not been met by supply, besides celery plants are additive in food ingredients also used in small amounts but vital. The experiment was conducted in May until August 2014 at screen house Faculty of Agriculture, University of Padjadjaran, Jatinangor, Sumedang regency, West Java Province, altitude 700-800 m above sea level. This study used a completely randomized design (CRD) factorial of two factors. The first factor composed of 2 levels, s1 = wool fabrics and s2 = cotton fabrics. Second factor was the growing media consisting of 5 levels respectively m1 = 100% of bamboo leaf compost, m2 = 50% of bamboo leaf compost + 50% of rice husk pyrolysis, m3 = 25% of bamboo leaf compost + 75% of rice husk pyrolysis, m4 = 75% of bamboo leaf compost + 25% of rice husk pyrolysis and m5 = 100% of rice husk pyrolysis. So there were 10 combinations level of treatment was repeated three times. Further test used Duncan Multiple Range Test. Parameter observed were plant height, number of stems and fresh weight. The results showed there were interaction between wick types and growing medias on plant height from 3 MST (Week After Planting) until 8 MST (Week After Planting) treatment (s2m2), the number of stems interaction at 6 MST and 8 MST treatment (s2m3), fresh weight interaction at 8 MST (Week After Planting) treatment (s2m2). The best of wick types and growing media at 8 MST on plant height and fresh weight was (s2m2) while the number of stems were in treatment (s2m3).
Lettuce ( Lactuca sativa Var. Arista) is leaf vegetable which consumes as a fresh vegetable. The quality is a crucial role in increasing the market price of lettuce. A large number of nutrient solution is sometimes confusing the farmer or grower which will they choose. The research objectives evaluate five nutrient formulation from local formulator and global formulator. This research conducted in June to July 2018 at Greenhouse of Universitas Padjadjaran, Jatinangor. Indonesia. The experimental design used in this research was completely randomized design with five treatments of nutrient formulation e.g., Sutiyoso (local formulator), Hoagland & Snyder, Hoagland, Shive & Robbins, and Resh Lettuce Anguila. The parameters of lettuce growth (plant height, leaves a number, leaf area, fresh weight of the plant, dry weight of the plant) observe and measure. The data of lettuce plant growth than analyzed with variance analysis α=5% and post hoc test analysis use Duncan multiple range test α=5%. Each of the treatment replicate five times. The results showed that different of nutrient formulations for lettuce have a different effect on growth parameters such as of plant height, number of leaves, leaf area, fresh weight of the plant, dry weight of the plant. The Sutiyoso nutrient formula effective for tropical lettuce hydroponics in Indonesia.
Tanaman selada di Indonesia umumnya dikonsumsi dalam bentuk segar. Evaluasi pengaturan nilai electrical conductivity (EC) sesuai umur tanaman selada diperlukan sebagai upaya menjaga kualitas produk (berat segar, tampilan visual) dan meningkatkan efisiensi penggunaan nutrisi. Penelitian ini dilakasanakan pada September-Oktober 2017 bertempat di Kecamatan Banjaran. Percobaan yang dilakukan menggunakan Rancangan Acak Lengkap terdiri dari 4 taraf dan diulang 6 kali. Perlakuan yang diberikan merupakan kombinasi nilai EC fase vegetatif awal (VI) dan fase vegetatif akhir (VII) perlakuan A=(VI = 1,5; VII = 2,0); B=(VI = 1,6; VII = 2,2);C=(VI = 1,7; VII = 2,4);D=(VI = 1,8; VII = 2,6) mS cm-1. Aplikasi nilai EC (VI = 1,7; VII = 2,4) mS cm-1 memberikan pertumbuhan tertinggi (tinggi tanaman, luas daun, bobot segar tanaman). Berdasarkan hasil berat segar tanaman pengaturan nilai EC dapat meningkatkan efisiensi penggunaan nutrisi hidroponik. Lettuce is commonly consuming as a fresh vegetable in Indonesia. The evaluation of electrical conductivity adjustment by lettuce plant age is an effort to achieve quality product (fresh weight, visual appearance) and improve nutrient efficiency. This research conducted in September-October 2017 at Banjaran District. This experiment used a completely randomized design with 4 level treatments and replicated six times. Application of combination EC value phase vegetative I and vegetative II, respectively: A=(VI = 1.5; VII = 2.0); B=(VI = 1.6; VII = 2.2);C=(VI = 1.7; VII = 2.4);D=(VI = 1.8; VII = 2.6) mS cm-1. This research showed that application nutrient with EC value (VI = 1.7; VII = 2.4) mS cm-1 affect plant growth higher (plant height, leaf area, fresh weight). Based on the results of the plant’s fresh weight parameter EC value improved the efficiency of using hydroponic nutrient.
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