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Journal : Jurnal Sains Mahasiswa Pertanian

STRUKTUR KOMUNITAS GULMA PADA PERKEBUNAN KARET DI DESA SEMPADIAN KECAMATAN TEKARANG KABUPATEN SAMBAS Jumadi, Jumadi; sarbino, Sarbino; Astina, Astina
Jurnal Sains Mahasiswa Pertanian Vol 4, No 1: April 2015
Publisher : Jurnal Sains Mahasiswa Pertanian

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Abstract

Di Indonesia karet alam merupakan komoditas strategis terutama ditinjau dari total area dan sumber devisa. Desa Sempadian merupakan salah satu daerah penghasil karet. Gulma yang tumbuh dipertanaman karet merupakan salah satu faktor yang dapat menurunkan kuantitas dan kualitas hasil. Struktur komunitas gulma perlu diketahui sebelum dilaksanakannya pengendalian gulma sebab tidak semua jenis gulma berbahaya bagi tanaman. Penelitian ini bertujuan untuk mempelajari dan mengetahui struktur komunitas gulma pada perkebunan karet  di desa Sempadian Kecamatan Tekarang Kabupaten Sambas. Penelitian ini bersifat deskriptif dengan cara melakukan pengamatan langsung di lapangan. Hasil pengamatan menunjukkan bahwa terdapat 30 jenis gulma dari 16 family. Pada areal perkebunan karet  TBM ditemukan 19 jenis gulma dari 11 family dan pada areal perkebunan karet TM ditemukan 19 jenis gulma dari 10 family. Spesies gulma yang paling dominan pada jalur tanaman TBM adalah gulma Ischaemum rugosum salisb dengan SDR sebesar 21.27% dan pada gawangan TBM didominasi oleh gulma Rhynchospora corymbosa dengan SDR sebesar 16.27%. Selanjutnya spesies gulma yang paling dominan pada Jalur tanamanTM adalah gulma Paspalum conjugatum dengan nilai SDR 42.44% dan pada gawangan TM didominasi oleh gulma Axonopus compressus SDR sebesar 22.11%.   Kata kunci : Gulma, Perkebunan karet, Struktur komunitas
PERTUMBUHAN DAN HASIL BEBERAPA VARIETAS SORGUM (Sorghum bicolor L.) PADA LAHAN GAMBUT JUMADI, JUMADI; RAHMIDIYANI, RAHMIDIYANI; RAHAYU, SRI
Jurnal Sains Mahasiswa Pertanian Vol 6, No 1 (2017): April 2017
Publisher : Jurnal Sains Mahasiswa Pertanian

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Abstract

Tanaman sorgum adalah tanaman serelia yang banyak manfaatnya, namun belum banyak dikembangkan beberapa wilayah di Indonesia, karena faktor lingkungan seperti sebagian keadaan lahan yang belum sesuai untuk ditanamani sorgum. Pengembangan tanaman sorgum perlu dilakukan kegiatan pengujian dilapangan untuk menentukan varietas yang cocok disuatu lokasi seperti lahan gambut. Penelitian bertujuan untuk mengetahui varietas tanaman sorgum yang sesuai ditanam di lahan gambut. Penelitian dilaksanakan pada tanggal 22 Mei  ? 20 September 2016 di Jl. Reformasi, Pontianak, menggunakan Rancangan Acak Kelompok (RAK) yang terdiri dari satu faktor, dengan 4 taraf perlakuan yaitu p1 (Numbu), p2 (Kwali), p3 (Super 1), p4 (Super 2). Masing-masing perlakuan di ulang sebanyak 6 kali. Variabel yang diamati dalam penelitian ini meliputi tinggi tanaman (cm), jumlah daun (helaian), berat kering tanaman (g), panjang malai (cm), berat biji per malai (g), berat per 1.000 biji (g) dan berat biji per petak (g). Hasil konversi per satuan luas/ Ha menunjukkan semua varietas, hasil yang diperoleh lebih tinggi dibandingkan deskripsi. Berdasarkan hasil penelitian beberapa varietas sorgum dapat tumbuh dan memberikan hasil yang baik pada lahan gambut.   Kata  kunci: Gambut, Varietas sorgum
RESPON TANAMAN JAGUNG MANIS PADA TANAH GAMBUT TERHADAP PEMBERIAN BEBERAPA JENIS BAHAN PEMBENAH TANAH JUMADI, JUMADI; MUSTAMIR, ELLY; NURJANI, NURJANI
Jurnal Sains Mahasiswa Pertanian Vol 7, No 3 (2018): AGUSTUS 2018
Publisher : Jurnal Sains Mahasiswa Pertanian

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Abstract

RESPON TANAMAN JAGUNG MANIS PADA TANAH GAMBUT  TERHADAP PEMBERIAN BEBERAPA JENIS BAHAN PEMBENAH TANAH  Jumadi(1), Elly Mustamir (2), Nurjani(3)(1)Mahasiswa Fakultas Pertanian dan (2) Staf Pengajar Fakultas Pertanian Universitas Tanjungpura Pontianak(3) Staf Pengajar Fakultas Pertanian Universitas Tanjungpura Pontianake-mail: jumadi_agrotek@yahoo.co.id  ABSTRACTThe purpose of this research was to investigate the effect of five kind of soil enhancers to growth and yield of sweet corn plant grown on peat soil. This research was conducted on peat land located in Permata City Complex, Bansir Darat Village, Pontianak Southeast Subdistrict, Pontianak Regency, West Kalimantan Province. The study was conducted in December 2017 until February 2018 This research used field experiment with Randomized Block Design (RBD), with one factor, consit of 5 treatments and 5 replications, each treatment plot taken 4 plant samples. The treatment were: p1 = 2.5 kg of Dolomite Lime per block, p2 = 2.85 kg of Clam Powder per block, p3 = 4.56 kg burn of Ash Wood per block, p4 = 5,8 kg ash coconut husk per block, P5 = 7.12 kg of Palm Long Ash per block. Observational Variables observed were leaf area (cm2), root volume (cm3), dry weight (g), unsweethed cob weight per plant (g), cob length (cm), cob diameter (cm) and cob weight per block (kg) and the enviromental variables are Air Temperature (oC), Air Humidity (%), Rainfall (mm), and soil pH. Result of this research have significantly have to all observation variables. Based on the results of the study can be concluded that the provision of several types of soil enhancers apllied affect the growth and yield of sweet corn plants on peat soil. The burn of wood ash has a better effect when compared with other treatments on growth observations and sweet corn yields on peat soils.Keywords: Peat, ameliorant, and Sweet Corn.
SWEET CORN CROP RESPONSE TO PEAT LAND ON APPLIE SEVERAL KINDS OF SOIL ENHANCEMENT MATERIALS JUMADI, JUMADI
Jurnal Sains Mahasiswa Pertanian Vol 7, No 2 (2018): April 2018
Publisher : Jurnal Sains Mahasiswa Pertanian

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Abstract

 ABSTRACTThe purpose of this research was to investigate the effect of five kind of soil enhancers to growth and yield of sweet corn plant grown on peat soil. This research was conducted on peat land located in Permata City Complex, Bansir Darat Village, Pontianak Southeast Subdistrict, Pontianak Regency, West Kalimantan Province. The study was conducted in December 2017 until February 2018 This research used field experiment with Randomized Block Design (RBD), with one factor, consit of 5 treatments and 5 replications, each treatment plot taken 4 plant samples. The treatment were: p1 = 2.5 kg of Dolomite Lime per block, p2 = 2.85 kg of Clam Powder per block, p3 = 4.56 kg burn of Ash Wood per block, p4 = 5,8 kg ash coconut husk per block, P5 = 7.12 kg of Palm Long Ash per block. Observational Variables observed were leaf area (cm2), root volume (cm3), dry weight (g), unsweethed cob weight per plant (g), cob length (cm), cob diameter (cm) and cob weight per block (kg) and the enviromental variables are Air Temperature (oC), Air Humidity (%), Rainfall (mm), and soil pH. Result of this research have significantly have to all observation variables. Based on the results of the study can be concluded that the provision of several types of soil enhancers apllied affect the growth and yield of sweet corn plants on peat soil. The burn of wood ash has a better effect when compared with other treatments on growth observations and sweet corn yields on peat soils.Keywords: Peat, ameliorant, and Sweet Corn.