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HUBUNGAN PERAKARAN BEBERAPA KULTIVAR KEDELAI DENGAN KEMAMPUAN BERSAING MELAWAN GULMA Doni Hariandi; Didik Indradewa; Prapto Yudono
Jurnal Agroekoteknologi Vol 10, No 1 (2018)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v10i1.5467

ABSTRACTThe research was aimed to see the influence and rooting relationship to the ability of several cultivars of soybean to weed. This research was arranged using split plot design with three blocks as the repetition where the main plot was the weed treatments and those were weedy, weeding in a critical period, and weed-free. Sub-plot was the soybean cultivars which are Anjarmoro, Argomulyo, Burangrang, Gema, Gepakkuning, Kaba, and Wilis.The results showed that rooting variables that could be used as a marker of the ability of soybean plants to compete to weeds were root length and root volume.Keywords: competitive, cultivar, root, soy bean, weed

Effects of Weed on Growth of Several Soybean Cultivar Doni Hariandi; Didik Indradewa; Prapto Yudono
Gontor AGROTECH Science Journal Vol 5, No 1 (2019): June 2019
Publisher : University of Darussalam Gontor, Ponorogo, East Java Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21111/agrotech.v5i1.3274

Soybean is one of the food commodities, which contains vegetable protein, carbohydrates and fat, hence it is necessary to complement the nutrition. Demand consumption of soybean higher with increasing population annually, the production of soybean is still sufficient to complete the increasing of demand. Therefore, the increasing of soybean production has to be considered to decrease the dependency on imported. Soybean production can be increased by the cultivation technique. In this method, the present of weed should be concerned. Weed can reduce the quality and quantity of soybean. The research was done at Kebun Pendidikan, Penelitian dan Pengembangan Pertanian (KP4) Gadjah Mada University which located at Kalitirto, Berbah, Sleman, Yogyakarta, Indonesia. This research started on November 2015-April 2016. The research aims to identify the effects of weed on the growth analysis of several soybean cultivar. This field research is arranged using spit plot with three blocks as the repetition where the main-plot is the weed treatments andthose are weed-free, weeding in a critical period, and weedy. Sub plot is the soybean cultivars which are Anjasmoro, Argomulyo, Burangrang, Gema, Gepak Kuning, Kaba, and Wilis. The research’s result show the weed treatments would effect no significant difference in the leaf area index, net assimilation rate, crop growth rate (3 to 6 weeks after planted/WAP), specific leaf weight, and leaf area ratio (3 WAP). Which affects are the crop growth rate (6 to 9 WAP) and leaf area ratio (6 and 9 WAP)

NATURE AND CHARACTERISTICS OF SOIL AFFECTING THE GROWTH OF AREN PLANT (Arenga pinnata (Wurmb.) Merr) Rosi Widarawati; Prapto Yudono; Didik Indradewa; Sri Nuryani Hidayah Utami
Agros Journal of Agriculture Science Vol 19, No 1 (2017): Edisi Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.277 KB)

Aren plant (Arenga pinnata) can produce industrial raw materials. Almost all parts of palm trees can be utilized, namely young and old leaves, young endosperms, stems, stem bunches of flowers, roots, and fibers. Sugar leaves used for the roof of the house or hut. Young endosperms are used for fleas as a mixture of food or drink. Stem aren tree can be taken flour for the manufacture of palm flour. The main problem is the unclear growth of aren trees caused by soil characteristics in various places. The objectives of the study were to: 1) understanding the effect of land characteristic on the growth of aren trees; 2) look for various growth characters of aren plants at different altitudes. The study was conducted by survey and observation. Location was selected by purposive sampling, i.e. areas with altitude (<600 m ASL, 600 to 700 m ASL, and> 700 m ASL). The results showed differences results. Aren plant cultivation techniques that include the way of nursery, maintenance and post harvest management not implemented in Kulonprogo region, especially Ngargosari village, Pagerharjo, and Nglinggo. There is influence of altitude factors of place, soil type, morphology, physiology, and biochemistry to growth and aren products.

KEHIJAUAN DAUN, KADAR KHLOROFIL, DAN LAJU FOTOSINTESIS VARIETAS LOKAL DAN VARIETAS UNGGUL PADI SAWAH YANG DIBUDIDAYAKAN SECARA ORGANIK KAITANNYA TERHADAP HASIL DAN KOMPONEN HASIL Achmad Fatchul Aziez; Didik Indradewa; Prapto Yudhono; Eko Hanudin
JURNAL ILMIAH AGRINECA Vol. 14 No. 2 (2014): JURNAL ILMIAH AGRINEÃ‡A
Publisher : Fakultas Pertanian, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v14i2.283

Superior varieties and local varieties of paddy fields have different physiological characters so when cultivated organically made possible the result would have been different. The purpose of this research is to know the relation between greenish of leaf, chlorophyll content and rate of photosynthesis as well as local and superior varieties on the yield and yield component. This research was carried out in the greenhouse of Agriculture Faculty, Gadjah Mada University Banguntapan Sleman, in October 2012 to February 2013. The experimental design was Completely Randomized Design (CRD) factorial, 2 factors of treatment and repeated 3 times. Factor I was kind of cultivation, namely organic cultivation and conventional cultivation. Factor II is a kind of rice varieties of rice field consists of 5 kinds of paddy rice varieties consisting of local varieties (mentikwangi, pandanwangi and cianjur) and superior varieties (IR64 and cisedane). The observed parameter includes the greennish of leaf 6, 8, and 10 weeks after planting (WAP), chlorophyll a, chlorophyll b, total chlorophyll, photosynthetic rate and yield and yield components. The results of this research show that the greennish leaf, level of chlorophyll a, chlorophyll b and total chlorophyll as well as the photosynthetic rate of rice fields cultivated organically lower than conventional cultivation. Number of total grain, grain percentage content and grain yield in organic cultivation are lower than conventional farming, but the weight of 1000 grains increased. Mentikwangi variety in organic cultivation the result is increased.

KEHIJAUAN DAUN, KADAR KHLOROFIL, DAN LAJU FOTOSINTESIS VARIETAS LOKAL DAN VARIETAS UNGGUL PADI SAWAH YANG DIBUDIDAYAKAN SECARA ORGANIK KAITANNYA TERHADAP HASIL DAN KOMPONEN HASIL Achmad Fatchul Aziez; Didik Indradewa; Prapto Yudhono; Eko Hanudin
JURNAL ILMIAH AGRINECA Vol. 14 No. 2 (2014): JURNAL ILMIAH AGRINEÃ‡A
Publisher : Fakultas Pertanian, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v14i2.284

Superior varieties and local varieties of paddy fields have different physiological characters so when cultivated organically made possible the result would have been different. The purpose of this research is to know the relation between greenish of leaf, chlorophyll content and rate of photosynthesis as well as local and superior varieties on the yield and yield component. This research was carried out in the greenhouse of Agriculture Faculty, Gadjah Mada University Banguntapan Sleman, in October 2012 to February 2013. The experimental design was Completely Randomized Design (CRD) factorial, 2 factors of treatment and repeated 3 times. Factor I was kind of cultivation, namely organic cultivation and conventional cultivation. Factor II is a kind of rice varieties of rice field consists of 5 kinds of paddy rice varieties consisting of local varieties (mentikwangi, pandanwangi and cianjur) and superior varieties (IR64 and cisedane). The observed parameter includes the greennish of leaf 6, 8, and 10 weeks after planting (WAP), chlorophyll a, chlorophyll b, total chlorophyll, photosynthetic rate and yield and yield components. The results of this research show that the greennish leaf, level of chlorophyll a, chlorophyll b and total chlorophyll as well as the photosynthetic rate of rice fields cultivated organically lower than conventional cultivation. Number of total grain, grain percentage content and grain yield in organic cultivation are lower than conventional farming, but the weight of 1000 grains increased. Mentikwangi variety in organic cultivation the result is increased.

UJI KOMPARASI KUALITAS BERAS VARIETAS PADI SAWAH YANG DIBUDIDAYAKAN SECARA ORGANIK DAN KONVENSIONAL Achmad Fatchul Aziez; Didik Indradewa; Prapto Yudono; Eko Hanudin
JURNAL ILMIAH AGRINECA Vol. 16 No. 2 (2016): JURNAL AGRINECA
Publisher : Fakultas Pertanian, Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/afp.v16i2.552

Rice quality is the dominant factor of rice. The quality of rice includes the weight percentage of head rice, amylose content and the quality of rice include flavor of rice, rice texture and rice aroma. Rice from different rice varieties will be different quality, so also the way of rice cultivation is also very influential on the quality of rice produced. This study aims to compare the quality of rice from various rice varieties under organically and conventional cultivations. The experiment was conducted on Organic and Conventional rice field in Kebonagung village, Imogiri, Bantul from September 2013 until January 2014 with Inceptisol soil type and altitude of 114 m . This research was designed with Randomized Completely Randomized Block Design which was arranged in a split plot consisting of 2 treatment factors and repeated 4 times. Factor I: Cultivation, namely organic cultivation and conventional cultivation and Factor II kinds of varieties that consist of IR64, Cianjur, Pandanwangi, Mentikwangi and Cisedane. Parameters observed included grain yield, percentage of rice head, amylose content, protein content, and rice quality including rice flavor, rice texture, and rice aroma. The results showed that (1) the yield of grain did not differ between organic cultivation and conventional cultivation. (2) Organic cultivation increased the heavy percentage of rice head of IR64 variety, (3) Organic Cultivation decreased the amylose content of Cianjur and Pandanwangi varieties, and increased the amylopectin level so the rice became more â€œPulenâ€ (4) Organic cultivation raises levels of IR64, Pandanwangi, Mentikwangi and Cisedane variety of varieties, (5) Organic cultivations tend to improve the quality of rice including taste, texture and aroma of rice

Pengaruh Suhu Zona Perakaran terhadap Pertumbuhan dan Status Klorofil Tanaman Selada Sistem Hidroponik Candra Ginting; Tohari Tohari; Dja'far Shiddieq; Didik Indradewa
Jurnal Ilmu Pertanian Vol 13, No 1 (2006): Maret
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.60032

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PERTUMBUHAN DAN HASIL DUA KULTIVAR PADI DAN BERBAGAI JARAK TANAM PADA SISTEM PENGAIRAN GENANGAN DALAM PARIT Syamsuddin Syamsuddin; Didik Indradewa; Bambang Hendro Sunarminto; Prapto Yudono
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 18, No 3 (2011)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.869 KB)

The experiment was conducted on the Technical Irrigated Rice Field in D.I. Yogyakarta with soil type is Regosol. The study took place in July to December 2010. The research aim was to obtain agronomic characters and optimal planting distance that could increase the productivity of land with furrow irrigation system (FIS). The research used a factorial design (2 x 4+2) with 3 replications. Factor 1 was cultivars (K): K1 (Cimelati) and K2 (Sarinah). Factor 2 was planting distances (J): J1 (20 x 20 cm), J2(20 x 15 : 40 cm; legowo 2:1), J3(20 x 12,5 : 40 cm; legowo 2:1), and J4(20 x 12,5 : 45 cm; legowo 2:1). Controls were Cimelati and Sarinah cultivars grown in wetland rice field. The experimental results showed that the ability of plants to form seedlings in FIS was better than in the rice fields. The ability of plants to form seedlings in FIS at different planting distances was similar. Net assimilation rate (NAR) and relative growth rate (RGR) in the wetland system was better than FIS, but the leaf area index (LAI) and crop growth rate (CGR) was better in FIS. The NAR, RGR, and CGR in both systems were similar. Larger panicle and grain panicle number, 1000 grain weight and percentage of filled grain rice were found in FIS than in the rice field. The growth of rice in FIS was not affected by differences in both cultivars and planting distance. Dry harvested grain weight in FIS was lower than in the rice field. Dry harvested grain weight of Cimelati cultivar (8.04 t/ha) in FIS with planting distance of 20 x 12,5 : 40 cm (legowo 2:1) was comparable with that in the rice field (8.05 t/ha).

RESPON VARIETAS PADI TAHAN SALIN TERHADAP BEBERAPA DURASI GENANGAN DENGAN TINGKAT SALINITAS BERBEDA Erick Firmansyah; Budiastuti Kurniasih; Didik Indradewa
AGROISTA : Jurnal Agroteknologi Vol. 1 No. 1 (2017): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Indonesia population predicted to reach 304.9 million in 2035 and requires 70% more rice as food supply than today. The fulfillment of food supply experienced constraints such as submergence and salinity caused by climate change. Salinity and submergence stresses may occur in the same time, and the crop response to them has not been widely known. Research has been done to find out the responses of rice to salinity and submergence. The submergence level as the first factor consists of three levels (without submergence (R0); one-week submergence (R1); And two-week submergence (R2)}, salinity level as a second factor consists of two levels {non saline (S1); And saline (S2) to obtain six combinations and each combination is repeated three times. Observations were made on the ratio of the leaf area ratio, the typical leaf area, the canopy -root ratio, the typical leaf weight and the canopy growth rate of the canopy. The weight of grain per clump becomes the observed production parameter at the end of the generative phase. The results showed that there was interaction between submergence duration and salinity level on leaf area ratio, typical leaf area, and canopy-root ratio. Observation of typical leaf weight and relative growth rate showed the treatment of submergence and salinity gave an individual effect. Two weeks of submergence cause plant to death. The saline treatment in all submergence levels resulted in a decrease in the weight of grain per hill. Plants survived one-week non-saline submergence, but two weeks non-saline submergence caused the plant to di

Pengaruh Gulma terhadap Komponen Pertumbuhan Beberapa Kultivar Kedelai (Glycine max (L.) Merr.) Doni Hariandi; Didik Indradewa; Proto Yudono
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 1 No 1 (2017)
Publisher : Program Studi Agroteknologi Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.1.1.15-18.2017

The Research aims to identify the effects of weed on the growth parameters of soybean cultivars. This field research is arranged using split plot withthree blocks as the repetition where the main plot is the weed treatments and those are weed-free, weeding in a critical period, and weedy. Sub-plot is the soybean cultivars which are Anjarmoro, Argomulyo, Burangrang, Gema, Gepak kuning, Kaba, and Wilis. Theresearch’s result shows the weed treatments would affect no significant difference in the plant height, diameter of steam, and light interception, which affects are the characteristics of each soybean cultivars.

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