Research Article

• Soil chemical properties of suboptimal dryland in subdistricts of Panji, Kendit, and Kapongan Situbondo Regency for development of cassava (Manihot utilissima L.) cultivation

  Hylda Permata Riantara, Marga Mandala

  1-7

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• Increasing corn and soybean yields by arranging the plant spacing and NPK fertilizer dosages in intercropping system

  Abdul Wahid Alqorni, Sigit Soeparjono

  8-16

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• The exploration of Bacillus spp. as antagonist agents against Xanthomonas axonopodis pv. glycines from the weed phyllosphere in soybean plantation

  Suhartiningsih Dwi Nur Cahyanti, Dipta Linggar Wisma Ning Ayu

  17-26

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• The effect of pillen seed storage time and application of humic acid on the growth of tobacco seedlings (Nicotiana tabacum L.)

  Yogi Farid Fadilah, Usmadi U

  27-32

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• Manipulation of microhabitat by polyculture planting system as ecosystem stabilizer for management of pests and natural enemies in shallot (Allium ascalonicum Linn.)

  Sigit Prastowo, Rizal Sukarno

  33-40

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