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The Effect of Intercropping System of Corn (Zea mays, L.) and Peanut (Arachis hypogaea, L.) on Yield Production in Ungaran Wibisana, Dharend Lingga; Budiyanto, Gunawan; Widyastuti, Titiek
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.068.88-95

The research was conducted to examine transfer nitrogen from peanut to corn and determine the best planting time of peanut and corn which were cultivated by intercropping system. The research was conducted at dryland of Ungaran Central Java from December 2015 to April 2016. This research was complated using an experimental design with single factor, arranged in completely randomized block design. The treatments were monoculture system of corn (J), monoculture system of peanut (K), intercropping system: corn was planted two weeks after peanutÂ (TS 1), intercropping system: peanut was planted two weeks after corn (TS 2), and intercropping system: corn and peanut were planted in the same timeÂ (TS 3). Each treatment was replicated 3 times. The results showed that the transfer of nitrogen from peanuts to corn occured when the corn plants were in the stage of maximum vegetative growth. In this research, treatment TS 2 is the best planting time than other treatments as indicated by the yield of 4.02 tonnes corn per hectare.

Application of Jatropha Rind Compost as K Source in The Sweet Corn (Zea mays saccharata Sturt.) Cultivation Arrasyid, Bagus; Budiyanto, Gunawan; Widyastuti, Titiek
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.067.79-87

Potassium is one of important soil nutrients. The content of potassium in the jatropha rind compost is quite high reaching 11.36%. The high content of potassium in the jatropha rind has potential to increase the productivity and fulfill the needs of soil nutrients in the cultivation process. The research aims to study the influence of jatropha rind compost as substitute KCl fertilizer on sweet corn (Zea mays saccharata Sturt.), and get the proper rate of the compost for increasing the growth and yield of sweet corn. This research was conducted using an experimental method with a single factor that was arranged in a completely randomized design. Treatments were combination of jatropha rind compost and KCl rate, consisting of four levels, 250 kg KCl/hectare + 0 KJP kg/hectare, 125 kg KCl/hectare + KJP 273.89 kg/hectare, 62.5 kg KCl/hectare + KJP 410.84 kg/hectare, 0 kg KCl/hectare + KJP 547.79 kg/hectare. Each treatment was replicated 3 times so that there were 12 experimental units and each unit consisting of three plants trial so that there were 36 plants. Each plot of the experimental unit was fertilized using manure 20 ton/hectare, urea 400 kg/hectare which was applied 2 times and SP-36 300 kg/hectare. Results indicate that the treatment of mix dose of compost rind jatropha and KCl does not affect significantly on growth and yield of sweet corn. Sweet corn plants fertilized with jatropha rind compost with the dose of 547.79 kg/ha had the same growth and yield those of 250 kg/ha KCl. The study concluded that jatropha rind compost can replace KCl fertilizer.

Pengendalian Pencucian Senyawa Nitrat Guna Meningkatkan Produktivitas Lahan Marginal Pantai Kulon Progo DIY Budiyanto, Gunawan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 4, No 1 (2016)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2016.056.46-57

A laboratory experiment was conducted to determine the organic matter in reducing Nitrate leaching of coastal sandy soil of Kulon Progo, Yogyakarta, done from February up to August 2014. This experiment was arranged in a factorial completely randomized design. The first factor were ratio of cow dung and rice straw (1:1; 1:2 and 1:3), and the second factor were N fertilizer (urea and ZA). The result showed (a) Urea as source of N-fertilizer was more suitable to apply in coastal sandy soil and (b) Organic matter with ratio of cow dung and rice straw (1:1) was able to decrease nitrate leaching of coastal sandy soil of Kulon Progo.

Application of Cow Rumen Liquid in Palm Sugar Waste Compost for Cultivating Sweet Corn in Coastal Sandy Soil of Samas Beach Bantul Larasati, Nadia Dwi; Budiyanto, Gunawan; Widyastuti, Titiek
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.069.96-105

The research was conducted to study the effect of palm sugar waste compost using cow rumen activator on sweet corn cultivation and to determine the effective concentration of cow rumen activator and dose of sugar palm waste compost for sweet corn cultivation in coastal sandy soil of Samas Beach, Bantul. The research was arranged in Completely Randomized Design (CRD). A total of 11 treatments consisting of combination between the dose of sugar palm waste compost (tonnes/hectare) and various concentrations of cow rumen activators (%), with detail as follows: (1) 20 tonnes/hectare and 60%, (2) 20 tonnes/hectare and 70%, (3) 20 tonnes /hectare and 80%, (4) 20 tonnes/hectare and 90%, (5) 20 tonnes /hectare and 100%, (6) 25 tonnes/hectare and 60%, (7) 25 tonnes/hectare and 70%, (8) 25 tonnes/hectare and 80%, (9) 25 tonnes/hectare and 90%, (10) 25 tonnes/hectare and 100%, Â and (11) 20 tonnes/hectare of inorganic fertilizer. Each treatment was replicated four times. The results showed that the treatments of sugar palm waste compost with various concentrations of cow rumen activator and commercial compost had no significant effect on almost all plant parameters, except the root fresh weight. In addition, sugar palm waste compost with various concentration of cow rumen activator produced higher fresh weight of ear with husk compared to the potential yield of Sweet Boy variety. Dose of 20 tonnes/hectare of sugar palm waste compost with cow rumen activator at a concentration of 60% is the most effective treatment for sweet corn cultivation in coastal sandy soil of Samas Beach, Bantul.

THE APPLICATION OF ZEOLITE TO INCREASE NITROGEN USE EFFICIENCY IN CORN VEGETATIVE GROWTH IN COASTAL SANDY SOILS Budiyanto, Gunawan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 8, No 1 (2020)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2020.107.1-6

Coastal sandy soil is usually dominated by sand fractions, having no micro pore complex that can bind water and store fertilizer nutrients. The application of zeolite rocks into the root zone of plants growing in sandy soil is expected to reduce nitrogen nutrient leaching.The research was carried out by using the greenhouse experiment method, arranged in a factorial completely randomized design. The first factor was activated zeolite rock doses, consisting of 7 levels, namely 0% (Z0), 1% (Z1), 2% (Z2), 3% (Z3), 4% (Z4), 5% (Z5), and 6% (Z6) per 10 kg of coastal sandy soils as planting media. Meanwhile, the second factor was nitrogen fertilizer doses, consisting of 3 levels, namely 75 kg (N1), 100 kg (N2), and 125 kg (N3) per hectare. The results showed that the application of zeolite rock to the planting media could increase the growth of corn plants fertilized with nitrogen. The best vegetative growth was obtained when 6% zeolite per 10 kg of planting media was applied. The application of 6% zeolite together with 125 kg per hectare N fertilizer resulted in the heaviest fresh plant biomass. The use of zeolite can increase the N-fertilizer uptake efficiency in the vegetative growth of corn plants grown in coastal sand soils.

Pengaruh Pemberian Zeolite dan Dosis Pupuk Nitrogen Terhadap Pertumbuhan Vegetatif Jagung (Zea mays, L.) di Media Pasir Pantai Budiyanto, Gunawan; Mulyono, Mulyono; Setyawan, Fiyoni Dwi
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 1 (2005)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v1i1.3111

A research to study the effects of Zeolite and nitrogen fertilizer application on vegetative growth of maize crop in coastal sandy soil was conducted on the research field of Agriculture Faculty, Muhammadiyah University of Yogyakarta at Tamantirto, Bantul District of Yogyakarta during October until February, 2003. This research was aimed on the study of Zeolite application in order to enhance the nitrogen uptake in the coastal sandy soil, and its effects on vegetative growth of CP I variety of maize. The pot experiment was arranged in 7 x 3 factorial completely randomized design, with 4 replications. The first factor was Zeolite dosage consisted of 7 levels, i.e:Â 0, 3, 4, 5, 6, 7, and 8 %; and the second one was 3 levels nitrogen fertilizer dosage which consisted of: 75, 110, and 145 kg/ ha. The nitrogen fertilizer was applied on the medium mixed with Zeolite granules. Observations on plant height, stem diemeter, leaves number, plant fresh and dry weight were done during the vegetative growth of maize. The results showed that Zeolite application significantly enhanced the vegetative growth of CPI maize. The 5,2 Â - 5,6 Â % Zeolite was optimum to gave the maximum growth of maize crop. Nitrogen fertilizer application was also significantly increased the plant height and biomass weight, and the 145 kg/ha was the optimum dosage. There was no interaction between Zeolite and nitrogen fertilizer application in order to affected the maize growth.

Application of Cow Rumen Liquid in Palm Sugar Waste Compost for Cultivating Sweet Corn in Coastal Sandy Soil of Samas Beach Bantul Nadia Dwi Larasati; Gunawan Budiyanto; Titiek Widyastuti
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 5, No 2 (2017)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2017.069.96-105

The research was conducted to study the effect of palm sugar waste compost using cow rumen activator on sweet corn cultivation and to determine the effective concentration of cow rumen activator and dose of sugar palm waste compost for sweet corn cultivation in coastal sandy soil of Samas Beach, Bantul. The research was arranged in Completely Randomized Design (CRD). A total of 11 treatments consisting of combination between the dose of sugar palm waste compost (tonnes/hectare) and various concentrations of cow rumen activators (%), with detail as follows: (1) 20 tonnes/hectare and 60%, (2) 20 tonnes/hectare and 70%, (3) 20 tonnes /hectare and 80%, (4) 20 tonnes/hectare and 90%, (5) 20 tonnes /hectare and 100%, (6) 25 tonnes/hectare and 60%, (7) 25 tonnes/hectare and 70%, (8) 25 tonnes/hectare and 80%, (9) 25 tonnes/hectare and 90%, (10) 25 tonnes/hectare and 100%, and (11) 20 tonnes/hectare of inorganic fertilizer. Each treatment was replicated four times. The results showed that the treatments of sugar palm waste compost with various concentrations of cow rumen activator and commercial compost had no significant effect on almost all plant parameters, except the root fresh weight. In addition, sugar palm waste compost with various concentration of cow rumen activator produced higher fresh weight of ear with husk compared to the potential yield of Sweet Boy variety. Dose of 20 tonnes/hectare of sugar palm waste compost with cow rumen activator at a concentration of 60% is the most effective treatment for sweet corn cultivation in coastal sandy soil of Samas Beach, Bantul.

Pengaruh Pemberian Zeolite dan Dosis Pupuk Nitrogen Terhadap Pertumbuhan Vegetatif Jagung (Zea mays, L.) di Media Pasir Pantai Gunawan Budiyanto; Mulyono Mulyono; Fiyoni Dwi Setyawan
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 1, No 1 (2005)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v1i1.3111

A research to study the effects of Zeolite and nitrogen fertilizer application on vegetative growth of maize crop in coastal sandy soil was conducted on the research field of Agriculture Faculty, Muhammadiyah University of Yogyakarta at Tamantirto, Bantul District of Yogyakarta during October until February, 2003. This research was aimed on the study of Zeolite application in order to enhance the nitrogen uptake in the coastal sandy soil, and its effects on vegetative growth of CP I variety of maize. The pot experiment was arranged in 7 x 3 factorial completely randomized design, with 4 replications. The first factor was Zeolite dosage consisted of 7 levels, i.e: 0, 3, 4, 5, 6, 7, and 8 %; and the second one was 3 levels nitrogen fertilizer dosage which consisted of: 75, 110, and 145 kg/ ha. The nitrogen fertilizer was applied on the medium mixed with Zeolite granules. Observations on plant height, stem diemeter, leaves number, plant fresh and dry weight were done during the vegetative growth of maize. The results showed that Zeolite application significantly enhanced the vegetative growth of CPI maize. The 5,2 - 5,6 % Zeolite was optimum to gave the maximum growth of maize crop. Nitrogen fertilizer application was also significantly increased the plant height and biomass weight, and the 145 kg/ha was the optimum dosage. There was no interaction between Zeolite and nitrogen fertilizer application in order to affected the maize growth.

The Application of Zeolite to Increase Nitrogen Use Efficiency in Corn Vegetative Growth in Coastal Sandy Soils Gunawan Budiyanto
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 8, No 1 (2020)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2020.107.1-6

Coastal sandy soil is usually dominated by sand fractions, having no micro pore complex that can bind water and store fertilizer nutrients. The application of zeolite rocks into the root zone of plants growing in sandy soil is expected to reduce nitrogen nutrient leaching.The research was carried out by using the greenhouse experiment method, arranged in a factorial completely randomized design. The first factor was activated zeolite rock doses, consisting of 7 levels, namely 0% (Z0), 1% (Z1), 2% (Z2), 3% (Z3), 4% (Z4), 5% (Z5), and 6% (Z6) per 10 kg of coastal sandy soils as planting media. Meanwhile, the second factor was nitrogen fertilizer doses, consisting of 3 levels, namely 75 kg (N1), 100 kg (N2), and 125 kg (N3) per hectare. The results showed that the application of zeolite rock to the planting media could increase the growth of corn plants fertilized with nitrogen. The best vegetative growth was obtained when 6% zeolite per 10 kg of planting media was applied. The application of 6% zeolite together with 125 kg per hectare N fertilizer resulted in the heaviest fresh plant biomass. The use of zeolite can increase the N-fertilizer uptake efficiency in the vegetative growth of corn plants grown in coastal sand soils.

Pengendalian Pencucian Senyawa Nitrat Guna Meningkatkan Produktivitas Lahan Marginal Pantai Kulon Progo DIY Gunawan Budiyanto
PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) Vol 4, No 1 (2016)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.2016.056.46-57

A laboratory experiment was conducted to determine the organic matter in reducing Nitrate leaching of coastal sandy soil of Kulon Progo, Yogyakarta, done from February up to August 2014. This experiment was arranged in a factorial completely randomized design. The first factor were ratio of cow dung and rice straw (1:1; 1:2 and 1:3), and the second factor were N fertilizer (urea and ZA). The result showed (a) Urea as source of N-fertilizer was more suitable to apply in coastal sandy soil and (b) Organic matter with ratio of cow dung and rice straw (1:1) was able to decrease nitrate leaching of coastal sandy soil of Kulon Progo.

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