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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
Wahju Qamara Mugnisjah
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance

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Penciri Sifat Agronomik Kedelai yang Dapat Beradaptasi di Lahan Basah , Nurlianti; Wahju Qamara Mugnisjah; Muhammad Hasjim Bintoro Djoefrie Hasjim Bintoro Djoefrie; Endang Sjamsudin
Indonesian Journal of Agronomy Vol. 31 No. 2 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1871.307 KB) | DOI: 10.24831/jai.v31i2.1465

Abstract

Arable land-use conversion into activities of non-agricultural production may encourage the use of wet region for soybean production. In this respect, a research on the adaptability of 25 soybean varieties to saturated soil has been conducted in the field. A randomized complete block design with 3 replicates was used in this experiment. Results of the experiment showed the adaptability differences among the 25 soybean varieties tested. Based on their yield, soybean adaptability to saturated soil condition was not related to plant growth type, but could be influenced by plant age. With an exception for Tidar (a high yielding variety belonging to the intermediate age), the late varieties produced highe  yield than that of the intermediate ones. It was concluded that the varieties belonging to high yielding ones were  characterized by the existence of positive correlation of pod number with nodule number and relative growth rate and of nodule number with relative growth rate and leaves area index. Key words: Soybean, Adaptation, Saturated soil, Agronomic traits
PENGARUH PUPUK NITROGEN DAN TINGGI MUKA AIR TANAH TERHADAP PERTUMBUHAN BINTIL AKAR, PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max (L.) Merrill) , SUWARTO; Wahju Qamara MUGNISJAH; DIDY SOPANDIE; ABDUL KARIM MAKARIM
Indonesian Journal of Agronomy Vol. 22 No. 2 (1994): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1930.829 KB) | DOI: 10.24831/jai.v22i2.1637

Abstract

Pot experiments and laboratory analysis were conducted to determine the effect of N fertilization and level of water table treatments of wet soybean culture on nodule formation and seed yield of soybean. The pot experiment was conducted in Cibungbulang and laboratorium analysis, was at three different laboratories: Soil, Agronomy, and Pasture, Bogor Agricultural University, started on August, 1993 up to February, 1 994. Three factors to be evaluated, namely varieties (Lokon and Lompobatang), N fertilizer applications of 0, 140, and 280 mg pot -1 (equivalent to 0, 25, and 50 kg N ha -1), and the level of water tables of (control, -15 cm, -10 cm, and -5 cm below the soil surface). They were arranged in randomized complete design. The highest value of nodule dry weight of Lokon variety (0.707 p. was resulted from the plant grown under -15 cm water table without N fertilizer (0 mg N pot- ). Lompobatang highest value (1. 727g) on -10 cm water table and fertilized with 140 mg N pot -1. The increases of nodule dry weight by the treatment were 0.300 g (73.7%) for Lokon and 1. 134 g (194.5%) for Lompobatang, respectively compared to control. Both varieties showed highest value of seed weight per plant if grown under -15 cm water table and fertilized with 140 mg N pot -1. Compared to control media, respective increased seed weight per plant 1.94 g (12.9%) for Lokon and 5. 40 g (25.4%) for Lompobatang.
Co-Authors , Nurlianti ABDUL KARIM MAKARIM Didy Sopandie Endang Sjamsudin Muhammad Hasjim Bintoro Djoefrie Hasjim Bintoro Djoefrie Suwarto