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All Journal Jurnal Agrotropika
Muhammad Syamsoel Hadi
Jurusan Agronomi dan Hortikultura, Fakultas Pertanian, Universitas Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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KAJIAN DISTRIBUSI BAHAN KERING PADA 10 KLON UNGGUL UBI KAYU (Manihot esculenta Crantz) UNTUK DETEKSI SIFAT FISIOLOGI DI KEBUN PERCOBAAN TAMAN BOGO, PURBOLINGGO, LAMPUNG TIMUR Siska Puji Lestari; Kukuh Setiawan; Muhammad Syamsoel Hadi; Setyo Dwi Utomo
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.12953

Abstract

The objective of this study was to determine the distribution pattern of dry matter from leaves to tubers in 10 cassava clones in two different land conditions (optimal and marginal). The experiment was arranged in a factorial randomized completely block design (RCBD) (2x10), with three replications, resulting in 60 experimental units. The variables observed included plant height, stem diameter, number of green leaves, fresh and dry weight of leaves, stems, and tubers. The results of the study indicate that differences in soil conditions and clones influence the distribution pattern of dry matter in cassava plants. The Garuda, UJ3, Sekoci, Soponyono, D9, and Vamas-1 clones exhibited relatively good growth and yield under both soil conditions, while Cino and Waxy performed better on optimal soil, and UJ5 showed good tuber formation only during the early growth stage. The most efficient dry matter distribution was shown by the Garuda and UJ3 clones, which produced the highest tuber weight at 10 months after planting (MAP), followed by Sekoci, Soponyono, D9, and Vamas-1, which were also able to accumulate high amounts of tuber dry matter. Conversely, the KM clone exhibited the lowest dry matter distribution, characterized by the lowest fresh and dry tuber weights under both soil conditions.
RESPONS PERTUMBUHAN DAN PRODUKTIVITAS SORGUM YANG DIPANEN DARI PERTANAMAN TUMPANGSARI DENGAN BUNCIS SEBAGAI UPAYA PENINGKATAN EFISIENSI LAHAN DI DATARAN TINGGI Wahyudi Wahyudi; Eko Pramono; Tumiar Katarina B. Manik; Muhammad Syamsoel Hadi; Rani Yosilia
JURNAL AGROTROPIKA Vol. 25 No. 2 (2026): Jurnal Agrotropika Vol 25 No 2, Oktober 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i2.10882

Abstract

Sorghum is a crop that has the potential to be developed in Indonesia. So far, sorghum is more widely grown in the lowlands, while the need for sorghum as food, animal feed and planting seeds is also needed in the highlands. The availability of agricultural land in the highlands encourages sorghum planting to be superimposed on chickpeas. This study aims to 1) determine the growth and productivity of sorghum from intercropping plantations of sorghum – upright beans and intercropping sorghum-vine beans compared to monocultures; 2) to know the land equity ratio (LER) of chickpea-sorghum intercropping crops. This research was carried out at the Vegetable Seed Production Unit (UPBS), Sekincau Village, West Lampung Regency, the research was carried out in April-September 2021. The research was conducted using a quantitative method by directly measuring the growth and production of sorghum which was arranged in a randomized complete block design (RCBD) of six groups as a test with 3 treatments. Treatments include sorghum monoculture; intercropping sorghum - upright beans; Interscopal sorghum - chickpeas. The results showed that the growth and productivity of sorghum in the intercropping system was lower than that of monoculture, but the yield decline in the intercropping of upright sorghum-chickpeas was lower than in intercropping sorghum-sprawling chickpeas. Intercropping of upright sorghum and vine-bean sorghum has a land equity ratio (LER) value of > 1 to produce sorghum seeds, sorghum forage, and fresh chickpea pods, except for LER sorghum seeds and chickpea seeds. Intercropping planting of upright sorghum-beans is more effective than intercropping sorghum-vines. The benefit of this study is to increase the efficiency of limited agricultural land use.
Co-Authors Eko Pramono Kukuh Setiawan Rani Yosilia Setyo Dwi Utomo Siska Puji Lestari Tumiar Katarina B. Manik Wahyudi Wahyudi