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Potensi Pengembangan Tanaman Lada (Piper nigrum L) Pada Wilayah Kecamatan Muara Badak Akhmad Sopian; Zainudin Zainudin
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 1 (2018): July
Publisher : Universitas Widya Gama Mahakam

Farmers generally plant pepper on ultisol soil. Ultisol soil is classified as acid mineral soil which has a wide distribution, but has the potential to develop agricultural land including pepper plantations. The tendency of land used for agricultural activities shows a decrease in soil fertility, indicated by the occurrence of erosion, imbalance of nutrients present in the soil and stronger soil dependence on fertilizer, as well as lower crop production. The research aims to find out the characteristics of pepper land, productivity, potential land for the development of pepper plants in Muara Badak District. This research was carried out using survey methods with stages including; overlaying land maps, interviews, secondary data inventory, in the form of data on the number of farmers, land area, production and cultivation techniques, and analysis of soil samples in the laboratory. The results showed that the population / ha of pepper plants was different for each farmer, where the spacing was 110 x 110 cm, 120 x 120 cm, 130 x 130 cm and 140 x 140 cm with a population between 1300 - 4500 staples / ha. Farmers generally use lodrin organic fertilizer, but are not carried out intensively, and the land management system does not pay attention to the aspect of soil conservation, farmers' land has been cultivated for generations without using terraces and soil cover. The tendency of nutrient loss on the land is quite high because the land is located on a hill and is quite steep at 16-40% slope. Pepper productivity in the study area is quite high, with an average of 1,437 kg / ha. The highest productivity in Salo Palai village reached 1970 kg / ha, while the lowest in Batu Batu village was 830 kg / ha. The results of soil analysis in the two study locations that the content of the element N was classified as medium, the total K was classified as high to very high. pH and CEC are low, this can affect nutrient absorption, so that lime is needed and the addition of organic matter if fertilization is carried out.

Efektifitas Pemberian Stimulant Better dan Waktu Sadap Terhadap Produksi Lateks Tanaman Karet (Hevea brasiliensis Muell Arg Engelbertus Huvat; Akhmad Sopian; Tutik Nugrahini; Zainudin Zainudin
Agrifarm : Jurnal Ilmu Pertanian Vol 7 No 2 (2018): December
Publisher : Universitas Widya Gama Mahakam

The factors that influence rubber production are planted clones, plant care and tapping techniques. With the right tapping technique, both tapping time, tapping method and mature tapping age, the production potential of a superior clone of rubber plants that has been well maintained can be maintained. The technique of rubber tapping is closely related to the expected level of production, even very determining the age of the tree economy. The research objective was to determine the effect of stimulant better and tapping time on latex production. The method used was a randomized block design with two-factor split plot design. The first factor (main plot) is the time of tapping consists of 3 levels, namely; w1: 05 in the morning, w2: 06 in the morning, w3: 07 in the morning. The second factor (sub-plot), namely the stimulant dosage better consists of 4 levels, namely; b0: control, b1; 0.5 g, b2; : 1 g, b3; 1.5 g. The results showed that stimulate better treatment had a significant effect on latex volume, wet weight and latex dry weight, but was not significant for latex dryness levels. Tapping time was not significant for latex yield, latex volume, wet weight, latex dry weight and highest dry rubber content at 7am. Stimulant Better treatment has a significant effect on latex volume, wet weight, and latex dry weight, but if given at high doses it will reduce the dry content of rubber. The interaction of treatment when tapping and stimulant is better not significant for latex production. The stimulant application better does not exceed the dose of 0.5 g / principal. Doses> 0.5 g / staple will have an impact on the dry tapping field.

Pemberian Superfarm Rhizobium Dan Pupuk N Terhadap Pertumbuhan Dan Produksi Tanaman Kedelai (Glycine max L. Merill.) Rika Agustina; Hamidah Hamidah; Akhmad Sopian
Agrifarm : Jurnal Ilmu Pertanian Vol 5 No 1 (2016): July
Publisher : Universitas Widya Gama Mahakam

Giving Superfarm Rhizobium and N fertilizer on the Growth and Production of Soybean (Glycine max L. Merill.). The aim of research to determine the effect of Superfarm Rhizobium and N fertilizer on the growth and yield of soybean (Glycine max (L. Merill). The study was conducted over four months, from March to July 2015. The study in Dusun Desa Sumber Jaya Manunggal Jaya Rt. 09 District of Tenggarong Seberang Regency. this study used a draft split plot with factorial 3 x 4 consisting of three replications. the first factor is Superfarm Rhizobium which comprise three levels: ie s0 (without treatment), s1 (2 g / plant), s2 (4 g / plant). The second factor is the dose of N fertilizer consists of four levels ie N0 (without fertilizer) n1 (2.5G / plant) n2 (5g / plant) and n3 (7,5g / plant) . the results showed that treatment of Rhizobium Superfarm Award (S) had no significant effect on all parameters. While the provision of fertilizer N (N) significantly affected plant height parameter parameter 2, 4 and 6 weeks after planting. and at a dose of 7.5 g significantly the parameters of crop seed weight, seed weight per plot, the production results (Ton ha-1). The highest production was achieved by treatment s0n3 483.33 g / plot, equivalent to 2.69 Toh ha-1.

Analisis Usaha Tani dan Pola Tanam Komoditi Buah Naga (Hylocereus undatus) dan Lada (Piper Ningrum L) di Kecamatan Loa Janan Kabupaten Kutai Kartanegara Zainudin Zainudin; Akhmad Sopian
Agrifarm : Jurnal Ilmu Pertanian Vol 5 No 2 (2016): December
Publisher : Universitas Widya Gama Mahakam

This research was conducted in order to obtain information system cropping patterns and farming in the District Loa Janan to increase cropping intensity in order to support the development of site-specific dryland farming insightful agribusiness. This research is also expected to result in the value of R / C ratio greater than 1 so that it is economically feasible to be implemented at the farm level. This study aims to conduct inventory of characteristics of land such as: climate, relief, topography, soil type, and land use, mengidentivikasi pattern of farmers planting dragon fruit and pepper in the village Batuah, knowing the cost and farm income commodity dragon fruit and pepper, as well as determine the feasibility of farming based on the analysis of R / C ratio. This research uses descriptive method with interviews with respondents sampled, namely farmers dragon fruit and pepper farmers in the village of Loa Janan Regency. The results showed by climatic conditions, topography and land more feasible to develop commodity pepper from the dragon fruit, both in monoculture and mixed farms. Overall analysis of farm commodities and pepper dragon fruit has a value of R / C ratio> 1, which means that the commodity still worth to be cultivated. Based on the analysis of capital productivity (? / C ratio) commodity pepper is more feasible to be developed because it is larger than bank interest, while the dragon fruit is smaller than bank interest. Based on the factors of production of farm commodities dragon fruit significant influence, such as land, seed and fertilizer.

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