Pertumbuhan Keruing (Dipterocarpus tempehes V. Slooten) dengan Teknik Penyiapan Lahan Pada Umur 3 Tahun

Growth of Keruing (Dipterocarpus tempehes V. Slooten) with Land PreparationTechniques at 3 Years of Age

Penulis

DOI:

https://doi.org/10.59465/jpht.v21i1.213

Kata Kunci:

keruing, Dipterocarpus tempehes, perlakukan jarak tanam, riap diameter, riap tinggi

Abstrak

Abstract


Dipterocarpus tempehes, also known as keruing, is one of the groups within the Dipterocarpaceae family and is classified as an endangered species. Massive exploitation of keruing has led to a drastic decline in the population of this species. This study aims to analyze the effect of cleaning planting paths and spacing on the growth of keruing (D. tempehes) at the age of three years after planting. The research was conducted in the Semoi research plot, within the Special Purpose Forest Area of Samboja, Penajam Paser Utara Regency. Planting of D. tempehes involved land preparation and planting distance treatments. Land preparation techniques included cleaning 2 m and 4 m planting lines while planting distance treatments included planting at 10 m x 2.5 m and 10 m x 5 m. The results showed that treatment cleaning of 4 m planting lines with 10 m x 2.5 m planting distance) provided the best response, with an 84% survival rate. Treatment cleaning of 2 m planting lines with a planting distance of 10 m x 5 m and cleaning of 4 m planting lines with a planting distance of 10 m x 2.5 m gave the best response to increasing tree diameter. The best height growth response was in the treatment cleaning of 2 m planting lines with a planting distance of 10 m x 5 m. Both treatments can be applied when planting keruing in logged-over natural forests.

Keywords: Silviculture, rehabilitation, unproductive natural forests, logged over areas, Dipterocarpus tempehes

 

Abstrak


Keruing (Dipterocarpus tempehes) merupakan salah satu kelompok dari famili Dipterocarpaceae yang termasuk dalam spesies yang terancam punah. Eksploitasi keruing yang masif membuat populasi jenis ini menurun drastis. Penelitian ini bertujuan untuk menganalisis pengaruh perlakuan pembersihan jalur tanam dan jarak tanam terhadap pertumbuhan keruing (D. tempehes) pada umur tiga tahun setelah tanam. Penelitian ini dilakukan pada plot penelitian Semoi, di Kawasan Hutan Dengan Tujuan Khusus (KHDTK) Samboja, Kabupaten Penajam Paser Utara. Uji coba penanamannya dengan mengaplikasikan penyiapan lahan dan jarak tanam. Teknik penyiapan lahan terdiri atas pembersihan jalur tanam lebar 2 m dan 4 m, sedangkan perlakuan jarak tanam terdiri atas 10 m x 2,5 m dan 10 m x 5 m. Hasil penelitian menunjukkan bahwa perlakuan pembersihan jalur 4 m dengan jarak tanam 10 m x 2,5 m memberikan respon paling terbaik dengan persentase hidup sebesar 84%. Perlakuan pembersihan jalur tanam 2 m dengan jarak tanam 10 m x 5 m dan perlakuan pembersihan jalur tanam 4 m dengan jarak tanam 10 m x 2,5 m memberikan respon terbaik terhadap pertambahan diameter pohon. Respon pertumbuhan tinggi yang terbaik adalah perlakuan pembersihan jalur tanam 2 m dengan jarak tanam 10 m x 5 m. Kedua perlakuan tersebut dapat diterapkan dalam penanaman keruing di hutan alam bekas tebangan.


Kata kunci: Silvikultur, rehabilitasi, hutan alam tidak produktif, bekas tebangan, Dipterocarpus tempehes

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Unduhan

Diterbitkan

2024-06-30

Cara Mengutip

Nisaa’, R. M., Ura’, R., Karmilasanti, K., Abdurachman, A., Darwo , D., & Andini , S. (2024). Pertumbuhan Keruing (Dipterocarpus tempehes V. Slooten) dengan Teknik Penyiapan Lahan Pada Umur 3 Tahun : Growth of Keruing (Dipterocarpus tempehes V. Slooten) with Land PreparationTechniques at 3 Years of Age. Jurnal Penelitian Hutan Tanaman, 21(1), 48–60. https://doi.org/10.59465/jpht.v21i1.213