Pengaruh Inokulasi Rhizobium spp terhadap Pertumbuhan dan Hasil Produksi Kacang Tanah pada Cekaman Kekeringan

Hasanah, Ifroh Hatun and Erdiansyah, Iqbal (2020) Pengaruh Inokulasi Rhizobium spp terhadap Pertumbuhan dan Hasil Produksi Kacang Tanah pada Cekaman Kekeringan. Agropross. pp. 108-114. ISSN 978-623-94036-6-9

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Abstract

Bondowoso is one of the cities in East Java, has a rainfed, field and forest area. The agricultural sector is the leading sector. Peanut is one of the cultivated plants. Peanut production in Bondowoso has decreased. One of the reasons for the decline in peanut production is that there is a lack of water for the growth process of plants, which has an effect on peanut production. One technology that can be used is irrigation engineering on rainfed land, besides irrigation engineering there is a need for fertilization using Rhizobium spp. The application of Rhizobium spp inoculum with treatments of watering once in 2 days (P1), 4 days (P2), 6 days (P3) and 8 days (P4). The experiment results revealed that applying Rhizobium spp on peanut plant with drought stress had an effect on the growth and production of peanut. Rhizobium spp affected to increase plant height, wet pod weight, dry pod weight, dry seed weight, root nodule weight. Rhizobium spp could fix free nitrogen in the air under drought stress condition. Rhizobium could provide nutrients for plant in the form of NO 3-. The plant used NO 3 - for photosynthesis and producing products in the form of proteins. The best treatment was watering once in 2 days and adding Rhizobium spp with a concentration of 20 ml / l

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