Update Artikelilmiah: 32605

SHIFA RAMADANI

NIM

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Abstrak (Bhs. Indonesia)

Penelitian bertujuan untuk (1) mengetahui pengaruh dosis biochar terhadap pertumbuhan dan hasil tanaman selada, (2) mengetahui pengaruh dosis pupuk hayati terhadap pertumbuhan dan hasil tanaman selada, dan (3) mengetahui interaksi antara pemberian biochar dan pupuk hayati terhadap pertumbuhan dan hasil tanaman selada. Penelitian dilaksanakan pada bulan Desember 2020 hingga Maret 2021 di lahan sawah Sumampir, Purwokerto dengan ketinggi tempat ± 100 mdpl, jenis tanah insceptisol dan Laboratorium Agronomi dan Hortikultura Fakultas Pertanian, Universitas Jenderal Soedirman. Rancangan percobaan yang digunakan yaitu Rancangan Acak Kelompok Lengkap (RAKL) faktorial, dengan 2 faktor. Faktor pertama adalah dosis biochar dengan 3 taraf yaitu 0, 2, dan 4 ton/ha. Faktor kedua adalah pupuk hayati dengan 3 taraf yaitu 0, 5, dan 10 L/ha. Kombinasi perlakuan antara 2 faktor didapatkan 9 perlakuan dan setiap perlakuan diulang 3 kali. Variabel yang diamati yaitu tinggi tanaman, jumlah daun, luas daun, bobot tajuk segar, bobot tajuk kering, bobot akar segar, bobot akar kering, kandungan klorofil, suhu, kelembaban udara, intensitas cahaya, dan pH tanah. Hasil penelitian menunjukkan bahwa aplikasi biochar pada dosis 2 ton/ha memberikan bobot akar segar paling tinggi. Pemberian pupuk hayati tidak memberikan pengaruh yang berbeda antar perlakuan. Namun, terdapat interaksi antara pemberian biochar sebanyak 2 ton/ha dan pupuk hayati sebanyak 10 L/ha dan berpengaruh pada bobot tajuk segar dan bobot akar segar.

Abtrak (Bhs. Inggris)

The research aimed to (1) determine the influence of biochar doses on the growth and yield of lettuce, (2) determine the influence of biological fertilizer doses on the growth and yield of lettuce, and (3) know the interaction between the provision of biochar and biological fertilizers to the growth and yield of lettuce. The research was carried out from December 2020 to March 2021 in Sumampir rice fields, Purwokerto with a height of ± 100 meters above sea level, insceptisol soil type and Agronomy and Horticultural Laboratory of the Faculty of Agriculture, Jenderal Soedirman University. The experimental design used was a completely randomized block design (RAKL), with 2 factors. The first factor is the dose of biochar with 3 levels, 0, 2 and 4 ton/ha. The second factor is dose of biological fertilizer with 3 levels, 0, 5, and 10 L/ha. The combination of treatment between 2 factors obtained 9 treatments and each treatment repeated 3 times. The observed variabels were plant height, leaf count, leaf area, fresh header weight, dry header weight, fresh root weight, dry root weight, chlorophyll content,  temperature, air humidity, light intensity, and soil pH. The results showed that the application of biochar at a dose of 2 tons/ha gave the highest fresh root weight. The application of biological fertilizers did not have a different effect between treatments. However, there is an interaction between the application of biochar as much as 2 tons/ha and biofertilizer as much as 10 L/ha and it affects the fresh crown weight and fresh root weight.

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