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All Journal Jurnal Lahan Suboptimal KaliAgri Journal: Jurnal Agribisnis
N.P. Sri Ratmini
Balai Pengkajian Teknologi Pertanian (BPTP) Sumatera Selatan
Agriculture, Biological Sciences & Forestry

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Characteristics and Management of Peatland for Agricultural Development N.P. Sri Ratmini
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 1 No. 2 (2012)
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (559.194 KB) | DOI: 10.33230/JLSO.1.2.2012.26

Abstract

Ratmini, 2012. Characteristics and Management of Peatland for Agricultural Development. JLSO 1(2):197-206 The potential of peatland as agricultural land has area of about 6 M ha. The utilization of peatland in agriculture need detail and thorough planning, adequate technology application, and proper land management because its marginal and fragile ecosystem. Peatland is vulnerable to land degradation, namely physical degradation (subsiden and irreversible drying) and chemical degradation (nutrients deficiency and nutrients toxicity). The peatland development has obstacles such as highly content of organic acids. The effect of organic acid toxicity can be reduced by water (irrigation technology) management and adding ameliorant which rich of polivalent cation such as Fe, Al, Cu, and Zn. Soil amendment and fertilization in peatland farming can be done to reduce nutrients deficiency.
Genetic Potential of Local Rice Germplasm Specific Tidal Swamps of South Sumatra: Potensi Genetik Plasmanutfah Padi Lokal Spesifik Rawa Pasang Surut Sumatera Selatan Annisa; N.W. Sariningtias; J. Amirullah; N.P. Sri Ratmini; Yustisia
Jurnal Prodi Agribisnis Vol. 2 No. 2 (2021): Jurnal KaliAgri
Publisher : Program Studi Agribisnis Universitas Sumatera Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (714.143 KB)

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The potential for sub-optimal tidal land can be increased by using new adaptive rice varieties, both under conditions of existing constraints (low pH, high Fe) and conditions affected by global climate change (increased temperature, pest and diseases attacks, floods, droughts). The genetic material needed to create new adaptive superior varieties (NSV) is rice genetic resources (SDGs) which have been tested to be tolerant of various constraints. Information on tidal rice SDG has been obtained from the identification results in South Sumatra. This information can be explored and utilized by breeders to create rice NSV. The diversity and potential of the resulting NSV can provide many alternatives for users in choosing NSV according to their conditions and preferences. Specific characteristics of tidal local rice genetic resources that have been identified are the age of harvest, resistance to environmental stresses (low pH, immersion), resistance to pests and diseases, panicle character, and rice texture. The results of the NSV breeding program can be disseminated and implemented, among others, in increasing the cropping index (shortage), the anticipation of global climate change (pest/disease resistant, soaking resistant), and specification of development areas according to consumer preferences (rice texture). The implementation of this effort requires coordination and synchronization between related institutions and is expected to impact increasing national rice production and food security
Co-Authors Annisa J. Amirullah N.W. Sariningtias Yustisia