Intercropping with Welsh Onion Can Alleviate Bacterial Wilt Induced Yield Losses in Chili Pepper in the Tropical Volcanic Highlands of Indonesia von KAMIL, Maulana I., UMAMI, Irwin M., KAMARUDIN, Khairun N., HERMANSAH, ABE, Susumu. S.

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Soil Micronutrient Availability as Affected by Land Use and Management in a Tropical Volcanic Mountain Area of West Sumatra, Indonesia von ABE, Susumu S., ASHIDA, Kenta, KAMARUDIN, Khairun N., KAMIL, Maulana I., UMAMI, Irwin M., HERMANSAH

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Utilizing Palm Oil Mill Effluent by Mixing with Dolomite and Chicken Manure to Increase Soybean Production on Tropical Ultisols von DELYNANDRA, Firstka, KAMARUDIN, Khairun N., UMAMI, Irwin M., SYAFITRI, Nanda Y., ERMADANI, MAIRA, Lusi, HERMANSAH, ABE, Susumu S.

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Does Soil Fertility Decline under Smallholder Rubber Farming? The Case of a West Sumatran Lowland in Indonesia von UMAMI, Irwin M., KAMARUDIN, Khairun N., HERMANSAH, ABE, Susumu S.

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Land use and management effects on volcanic soils in West Sumatra, Indonesia von Abe, Susumu S., Ashida, Kenta, Kamil, Maulana I., Tobisaka, Keisuke, Kamarudin, Khairun N., Hermansah, Umami, Irwin M.

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24 Changes in Soil Fertility Characteristics under the Smallholder Rubber （Hevea Brasiliensis） Farming of West Sumatran Lowland （Indonesia）（関西支部講演会，2017年度各支部会）...

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Soil macrofauna diversity and weed dynamics in response to different methods of weed control in smallholder rubber farming von CHANIAGO, IRAWATI, YULISTRIANI, YULISTRIANI, UMAMI, IRWIN M., BUKHARI, ZAM Z.

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