Article Per Year (5 Year)
p-Index From 2020 - 2025
0
P-Index
This Author published in this journals
All Journal Buletin Agrohorti Jurnal Penelitian Pertanian Tanaman Pangan
Purwono, Purwono
Departemen Agronomi Dan Hortikultura, Fakultas Pertanian, Institut Pertanian Bogor
Agriculture, Biological Sciences & Forestry

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Kompatibilitas Sumber Inokulan Fungi Mikoriza Arbuskular pada Kedelai dengan Budidaya Jenuh Air Muis, Ridwan; Ghulamahdi, Munif; Melati, Maya; Purwono, Purwono; Mansur, Irdika
Jurnal Penelitian Pertanian Tanaman Pangan Vol 35, No 3 (2016): Desember 2016
Publisher : Pusat Penelitian dan Pengembangan Tanaman Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.403 KB) | DOI: 10.21082/jpptp.v35n3.2016.p229-237

Abstract

The main problem encountered by soybean crop in acid sulfate tidal lands is less availability of P, because of its chemical bond with Fe. Heavy dose of  fertilization often lead to high fertilizer residue, wich could be used for crops farming using AMF. Research was conducted to study the effect of soybean culturing technique and AMF inoculants source on growth of  soybean. The treatments consisted two factors, arranged in a randomized block design with three replications. The first factor was four inoculants sources of AMF, namely AMF and without inoculation AMF, inoculants from rhizospheres of kudzu (Pueraria javanica), sorghum (Sorghum bicolor), corn (Zea mays) and soybean (Glycine max). The second factor was culturing tehnique, namely water saturated and dry soil culture. Soybeans were grown in pots containing 5 kg soil derived from tidal land,  Simpang Village, District of Berbak, East Tanjung Jabung Regency,  Jambi Province. Results showed that the interaction saturated soil culture with inoculants from corn’s rhizosphere had positive effect on the variability of N, P and K uptake, N and P content in the plant, relative efficiency of inoculants and relative efficiency of P uptake, stem diameter, biomass dry weight, the number of filled pods and seed dry weight of soybeans. Dry soil culture with inoculants of corn’s rhizosphere had greater root colonization, but overall for the growth and grain yield of soybean, saturated soil culture with inoculants from corn rhizosphere has better effect on other growth variables.
Korelasi Dosis Pemupukan Nitrogen terhadap Produktivitas dan Rendemen Tebu (Saccharum officinarum L.) Fitri Isnaini Magandi; . Purwono
Buletin Agrohorti Vol. 7 No. 2 (2019): Buletin Agrohorti
Publisher : Departemen Agronomi dan Hortikultura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.897 KB) | DOI: 10.29244/agrob.7.2.224-229

Abstract

Petani tebu dibeberapa tempat memberi tambahan dosis pemupukan melebihi dosis rekomendasi pemupukan setempat, khususnya ZA, untuk meningkatkan produktivitas dan rendemen tebu. Tujuan kajian ini adalah untuk mengetahui korelasi dosis pemupukan N-total yang diterapkan petani dengan produktivitas dan rendemen. Kegiatan penelitian dilakukan pada 4 Februari 2018 hingga 5 juni 2018 di PG Kebon Agung, Malang-Jawa Timur. Kajian dilakukan dengan menghitung produktivitas dan pengukuran brix. Rekomendasi dosis pupuk N-total yang digunakan yaitu 186 kg ha-1 dan rekomendasi dosis pupuk N-total dari pabrik gula sebanyak 228 kg ha-1. Hasil kajian menunjukkan bahwa rata-rata pemupukan N-total petani wilayah utara sebesar 274.8 kg ha-1 sedangkan wilayah selatan menggunakan dosis pupuk N-total sebesar 421.5 kg ha-1. Uji korelasi menunjukkan bahwa pupuk N berkorelasi nyata dengan produktivitas dan tidak berkorelasi nyata dengan rendemen tebu. Jaminan bagi hasil gula yang diterapkan oleh pabrik mendorong petani untuk meningkatkan produktivitas dengan cara penambahan dosis pemupukan tanpa memperhatikan rendemen tebu.
Co-Authors Fitri Isnaini Magandi Irdika Mansur Maya Melati Muis, Ridwan Munif Ghulamahdi