Vol 17, No 2 (2020)

December

DOI: https://doi.org/10.20961/stjssa.v17i2

Table of Contents

RESEARCH

Effects of light intensity and co-inoculation of arbuscular mycorrhizal fungi and rhizobium on root growth and nodulation of Indigofera tinctoria
Maria Theresia Sri Budiastuti, Djoko Purnomo, Supriyono Supriyono, Bambang Pujiasmanto, Desy Setyaningrum
https://dx.doi.org/10.20961/stjssa.v17i2.40065
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94-99
Using Soil Quality Index Plus to assess soil conditions and limiting factors for dryland farming
Latief Mahir Rachman
https://dx.doi.org/10.20961/stjssa.v17i2.46889
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100-107
Silicon (Si) and salinity stress on the agronomic performances of bok choy (Brassica rappa L.) in an Entisols
Kharisun Kharisun, Mochammad Nazarudin Budiono, Nur Prihatiningsih, Ratri Noorhidayah, Ningsih Lamorunga
https://dx.doi.org/10.20961/stjssa.v17i2.37827
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108-114
Characteristics of Inceptisols derived from basaltic andesite from several locations in volcanic landform
Rufaidah Qonita Muslim, Pronika Kricella, Mira Media Pratamaningsih, Setiyo Purwanto, Erna Suryani, Sofyan Ritung
https://dx.doi.org/10.20961/stjssa.v17i2.38221
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115-121
Improving nitrogen fertilizer efficiency with the addition of compost extracts to kailan (Brassica oleracea L.) plants with wick hydroponic cultivation
Tri Fitriani, Darwin Habinsaran Pangaribuan, Ainin Niswati, Sri Yusnaini
https://dx.doi.org/10.20961/stjssa.v17i2.41370
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122-128
Methane flux from high-yielding Inpari rice varieties in Central Java, Indonesia
Anicetus Wihardjaka, Eni Yulianingsih, Hesti Yulianingrum
https://dx.doi.org/10.20961/stjssa.v17i2.42729
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129-134
Characteristics of Ultisols derived from basaltic andesite materials and their association with old volcanic landforms in Indonesia
Setiyo Purwanto, Rachmat Abdul Gani, Erna Suryani
https://dx.doi.org/10.20961/stjssa.v17i2.38301
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135-143
Soil fertility status and sweet potato cultivation in composted mounds under humid lowland tropical climatic conditions
Patrick S. Michael
https://dx.doi.org/10.20961/stjssa.v17i2.43426
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144-151
The kinetics curve of nitrogen mineralization from perennial leaves litter decomposed by earthworm (Phretima californica)
Kartika Utami, Eko Hanudin, Makruf Nurudin
https://dx.doi.org/10.20961/stjssa.v17i2.46928
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152-160
Controls on the net dissolved organic carbon production in tropical peat
Siti Nurzakiah, Atang Sutandi, Supiandi Sabiham, Gunawan Djajakirana, Untung Sudadi
https://dx.doi.org/10.20961/stjssa.v17i2.45123
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161-169

REVIEW

Role and perspective of Azotobacter in crops production
Reginawanti Hindersah, Nadia Nuraniya Kamaluddin, Suman Samanta, Saon Banerjee, Sarita Sarkar
https://dx.doi.org/10.20961/stjssa.v17i2.45130
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170-179
Tin mining process and its effects on soils in Bangka Belitung Islands Province, Indonesia
Sukarman Sukarman, Rachmat Abdul Gani, Asmarhansyah Asmarhansyah
https://dx.doi.org/10.20961/stjssa.v17i2.37606
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180-189

EDITORIAL PAGES

Front Matter
Vita Ratri Cahyani
https://dx.doi.org/10.20961/stjssa.v17i2.47490
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i-iv
Back Matter
Vita Ratri Cahyani
https://dx.doi.org/10.20961/stjssa.v17i2.47491
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App 1-16