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Abstrak (Bhs. Indonesia)

Tanaman kailan (Brassica oleraceae L.) atau dikenal sebagai Chinese kale merupakan salah satu komoditas sayuran dari keluaga kubis. Penelitian tersebut bertujuan untuk mengetahui 1) mengetahui pengaruh konsentrasi pemberian pupuk organik cair batang pisang terhadap pertumbuhan dan hasil tanaman kailan, 2) mengetahui pengaruh frekuensi pemberian pupuk organik cair batang pisang terhadap pertumbuhan dan hasil tanaman kailan, 3) mengetahui kombinasi antara konsentrasi dan frekuensi pemberian pupuk organik cair batang pisang yang dapat memberikan hasil terbaik terhadap pertumbuhan dan hasil tanaman kailan. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok (RAKL) dengan 3 kali ulangan. Perlakuan yang dicobakan meliputi dua faktor yaitu kosentrasi dengan taraf 0%, 5%, 10%, dan 15%. Faktor kedua adalah frekuensi dengan taraf 1 kali, 2 kali dan 3 kali pemberian. Variabel pengamatan meliputi tinggi tanaman, jumlah daun, bobot tajuk segar, klorofil, luas daun, panjang akar, bobot akar segar, intensitas cahaya, suhu udara dan kelembaban. Hasil penelitian menunjukkan pemberian POC batang pisang konsentrasi 5% meningkatkan tinggi tanaman sebesar 1,07 %, jumlah daun sebesar 1,03%, panjang akar sebesar 1,13% dan kandungan klorofil daun sebesar 1,05%. Pemberian POC batang pisang dengan frekuensi 3 kali memberikan pengaruh yang lebih baik daripada frekuensi 1 dan 2 kali pada variabel panjang akar dan luas daun tanaman. Kombinasi antara konsentrasi 5% dan frekuensi 3 kali pemberian POC batang pisang meningkatkan panjang akar sebesar 1,39% dan kombinasi antara konsentrasi 5% dan frekuensi 2 kali pemberian POC batang pisang meningkatkan klorofil daun sebesar 1,12%.

Abtrak (Bhs. Inggris)

Kailan (Brassica oleracea L.) or known as Chinese kale is a vegetable commodity from the cabbage family. This study aimed to determine 1) to know the effect of the concentration of liquid organic fertilizer on banana stems on the growth and yield of kailan plants, 2) to determine the effect of the frequency of application of liquid organic fertilizer on banana stems on the growth and yield of kailan plants, 3) to determine the combination of concentration and frequency of application of liquid organic fertilizer for banana stems. which can provide the best results on the growth and yield of kailan plants. The experimental design used was a randomized complete block design (RCBD) with 3 replications. The treatments tried included two factors, namely the concentration with a level of 0%, 5%, 10%, and 15%. The second factor was the frequency with the level of 1 time, 2 times and 3 times of giving. The observation variables included plant height, number of leaves, fresh weight, chlorophyll, leaf area, root length, fresh root weight, light intensity, air temperature and humidity. The results showed that giving a banana stem LOF concentration of 5% increased plant height by 1.07%, number of leaves by 1.03%, root length by 1.13% and leaf chlorophyll content of 1.05%. Giving LOF frequency of banana stems 3 times had a better effect than the frequency of 1 and 2 times on the variable root length and leaf area of kailan plants. The combination of the 5% concentration and the frequency of 3 times of giving banana stem LOF increased the root length by 1.39% and the combination of 5% concentration and the frequency of 2 times of giving banana stem LOF increased leaf chlorophyll by 1.12%.

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