Efektivitas Boron Berbeda Level Terhadap Pertumbuhan dan Produksi pada Hijauan Indigofera zollingeriana
Abstract
ABSTRAK
TIARA DEVIKA. Efektivitas Boron Berbeda Level Terhadap Pertumbuhan dan
Produksi pada Hijauan Indigofera zollingeriana. Dibimbing oleh ASEP TATA
PERMANA dan IWAN PRIHANTORO.
Penelitian ini bertujuan mengukur efektivitas boron dengan level berbeda
dalam mendukung pertumbuhan dan produksi Indigofera zollingeriana pada skala
lapang. Penelitian ini menggunakan rancangan acak lengkap dengan 4 perlakuan
dan 4 ulangan. Perlakuan terdiri dari P0: Penambahan 0 ppm asam borat, P1, P2,
dan P3 berturut-turut penambahan asam borat 300 ppm, 400 ppm, dan 500 ppm.
Peubah yang diamati meliputi tinggi tanaman, jumlah cabang, jumlah ranting,
diameter batang, jumlah daun, berat segar, dan berat kering tanaman. Data
dianalisis menggunakan ANOVA dan perlakuan berbeda nyata akan diuji lanjut
dengan uji Duncan menggunakan SPSS versi 25. Hasil penelitian menunjukkan
bahwa penambahan asam borat level 300-500 ppm efektif dalam meningkatkan
pertumbuhan jumlah cabang, jumlah ranting, jumlah daun, berat segar, dan berat
kering I. zollingeriana dibandingkan kontrol (0 ppm) pada skala lapang. Namun,
pada penambahan asam borat level 300-500 ppm tidak efektif dalam meningkatkan
pertumbuhan diameter batang. Penambahan asam borat level 300 ppm merupakan
level optimal dalam menghasilkan pertumbuhan dan produksi I. zollingeriana.
Kata kunci: boron, I.zollingeriana, pertumbuhan, produksi ABSTRACT
TIARA DEVIKA. Effectiveness of Different Levels of Boron on Growth and
Production in Indigofera zollingeriana. Supervised by ASEP TATA PERMANA
and IWAN PRIHANTORO.
This research aimed to measure the effectiveness of boron at different levels
in supporting the growth and production of Indigofera zollingeriana on a field scale.
This study used a completely randomized design with 4 treatments and 4
replications. Treatment consisted of P0: Addition of 0 ppm boric acid, P1, P2, and
P3, respectively, addition of 300 ppm, 400 ppm, and 500 ppm boric acid. The
variables observed included plant height, number of branches, number of twigs,
stem diameter, number of leaves, fresh weight and dry weight of the plant. Data
were analyzed using ANOVA and significantly different treatments were further
tested using the Duncan test using SPSS version 25. The results showed that the
addition of boric acid at a level of 300-500 ppm was effective in increasing the
growth of the number of branches, number of twigs, number of leaves, fresh weight
and dry weight of I. zollingeriana compared to the control (0 ppm) on a field scale.
However, adding boric acid at a level of 300-500 ppm was not effective in
increasing stem diameter growth. The addition of boric acid at a level of 300 ppm
is the optimal level in producing growth and production of I. zollingeriana.
Keywords: boron, growth, I. zollingeriana, production