2021
DOI: 10.21082/jti.v45n2.2021.145-154
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Dosis dan efek residu biochar kulit buah kakao dalam peningkatan sifat tanah dan produktivitas jagung di lahan kering masam Lampung Timur

Abstract: Dosis biochar yang diberikan ke dalam tanah merupakan salah satu faktor yang menentukan efektivitas pemberian biochar. Penelitian ini bertujuan untuk mengetahui pengaruh beberapa dosis biochar kulit buah kakao dan residunya terhadap penurunan kemasaman tanah, peningkatan kandungan hara makro dan hasil jagung di lahan kering masam. Penelitian dilaksanakan di Kebun Percobaan di Taman Bogo, Kabupaten Lampung Timur, selama tiga musim tanam yaitu Pebruari-Mei 2015, Juli-Nopember 2015 dan Nopember 2015-Pebruari 2016… Show more

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Cited by 4 publications
(6 citation statements)
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“…This study showed that preventing Al 3+ toxicity is essential in Ultisol so crops can grow normally. The outcomes of this experiment are identical to previous studies at the same site [30,[37][38]. Previous studies showed that improvement in maize yields correlated negatively with Al 3+ content and positively with the Ca/Al ratio [6,8].…”
Section: Maize Yieldsupporting
confidence: 86%
See 1 more Smart Citation
“…This study showed that preventing Al 3+ toxicity is essential in Ultisol so crops can grow normally. The outcomes of this experiment are identical to previous studies at the same site [30,[37][38]. Previous studies showed that improvement in maize yields correlated negatively with Al 3+ content and positively with the Ca/Al ratio [6,8].…”
Section: Maize Yieldsupporting
confidence: 86%
“…Acidic upland soil management, such as Ultisol in East Lampung, requires efforts to diminish Al toxicity from the soil, which is the leading cause of low crop productivity and crop failure [8,38]. In addition, soil amelioration is needed to overcome soil acidity in acidic upland soil; thus, chemical and physical properties are also improved.…”
Section: Maize Yieldmentioning
confidence: 99%
“…Increasing soil CEC by biochar minimizes the risk of cation leaching, such as K + and NH4 + . This is supported by [7] study, which found that applying 5 t ha -1 coconut shell biochar increased maize yields in terms of dry cob weight (2.37 t ha -1 ), dry biomass weight (4.04 t ha -1 ), and dry grain weight (1.85 t ha -1 ).…”
Section: Introductionmentioning
confidence: 55%
“…Keunggulan dari teknik konservasi secara vegetatif, selain untuk pengendalian run-off dan pencegahan erosi, juga dapat menghasilkan bahan organik. Beberapa hasil penelitian menunjukkan efektivitas teknik konservasi vegetatif dalam meningkatkan kadar C-organik dalam tanah (Nurida & Jubaedah, 2014). Teknik konservasi vegetatif bertujuan untuk men jaga dan meningkatkan kualitas tanah.…”
Section: Konservasi Tanahunclassified