scholarly journals PENGARUH DOSIS PUPUK NPK TERHADAP PERTUMBUHAN DAN HASIL BAWANG MERAH, KABUPATEN JAYAPURA, PAPUA

2019 ◽  
Vol 44 (2) ◽  
pp. 163
Author(s):  
Rohimah Handayani Sri Lestari ◽  
Fransiskus Palobo

Shallots is one of the important commodities in Indonesia. Demand for these commodities always increases along with population growth. To fulfill this demand, the production of shallots must always be increased. One way to increase the production of shallots is by fertilizing. This study aims to determine the dosage of NPK fertilizer which gives the best results for the growth and yield of shallots. The study was carried out in Sentani District, Papua Province, from November 2016 until March 2017.The study used the Randomized Complete Block Design (RCBD) with three treatments NPK Phonska fertilization (NPK 15-15-15 composition) and four repplication. NPK fertilizer used were: 1) NPK 300 kg/ha, 2) 250 kg/ha, and 3) 200 kg/ha. The meterials used were shaloot bulbs Keta Monca cultivar. The plot size was 1 x 5 m, with a spacing of 15 x 15 cm. NPK fertilizer was given at the age of 14 and 30 days after planting respectively with the dose of ½. The variables observed were plant height, leaf number, bulbs number per sample, diameter of bulbs, dry weight bulb per hectare The results showed that the treatment of NPK fertilizer dosage did not give a significant effect on almost all observation variables except on the dry weight of eskip bulb, where the treatment dose of 200 kg/ha NPK fertilizer gave the highest yield compared to other treatments. When observed from the growth components and production components, the dose of NPK fertilizer 200 kg/ha is the most consistent to provide better growth and yield.

2017 ◽  
Vol 27 (4) ◽  
pp. 435-443
Author(s):  
SA Ratna ◽  
MHK Howlader ◽  
MM Hasan ◽  
MR Mallick ◽  
UK Shanta

An experiment was set up in the Research Farm of Patuakhali Science and Technology University, during the rabi season of 2015 to evaluate the effect of fertilizers and manures on the growth and yield of Potato. The experiment was laid out in a Randomized Complete Block Design (RCBD) with two potato varieties namely Diamant (V1) and Cardinal (V2) and five different types and rates of organic manures and inorganic fertilizers viz. T0: Control , T1: NPK, T2: NPK + CW(Cowdung), T3: NPK+ PM(Poultry Mannure) and T4: CW(Cowdung), + PM(Poultry Mannure)  were used for the present study. The two–factor experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Result showed that almost all the characters were affected significantly due to the effect of varieties, organic–inorganic fertilizer and their combinations .In case of treatments, NPK with PM also showed the tallest plant (39.76 cm), highest fresh and dry weight (95.97 and 6.05 g plant–1, respectively), CGR and RGR (0.086 and 0.218 g m–2 day–1, respectively), gross (24.36 t ha–1) and marketable (23.39 t ha–1) compared other treatments. In case of interaction, the highest plant height (41.00 cm), highst fresh and dry weight (96.87 and 3.62 g plant–1, respectively), highest CGR and RGR (0.089 and 0.228 g m–2 day–1, respectively) as well as the highest gross (24.45 t ha–1) and marketable (23.67 t ha–1) yield were recorded in Diamant at NPK with PM. From the above observation it may be concluded that the variety Diamant at NPK + PM was more effective under Patuakhali region.Progressive Agriculture 27 (4): 435-443, 2016


Jurnal Agro ◽  
10.15575/810 ◽  
2016 ◽  
Vol 3 (1) ◽  
pp. 36-42
Author(s):  
Ida Nur Istina

Bawang merah merupakan salah satu komoditas hortikultura strategis yang penyebarannya hampir di seluruh wilayah Indonesia. Permasalahan pengembangan komoditas ini adalah masih rendahnya produktivitas sebagai akibat adaptasi dan kecukupan asupan hara tanaman. Penelitian yang bertujuan untuk mendapatkan jenis pupuk NPK yang efektif dan efisien telah dilakukan di desa Langensari Kecamatan Lembang Kabupaten Bandung Barat dari Maret sampai Mei 2014 menggunakan Rancangan Acak kelompok (RAK) dengan 6 perlakuan dan 3 kali ulangan. Pupuk NPK yang digunakan adalah A= NPK 18+9+10+Te, B=NPK 15+15+sulfat 10, C=NPK 12+11+18z+(S) z +3 Mg+3,8S+Te, D= NPK 15+9+20(S)+2 MgO+3,8 S+Te, E= NPK 25+7+7 dan F=kontrol. Parameter yang diamati meliputi: tinggi tanaman, jumlah umbi, jumlah daun, panjang umbi (cm), diameter umbi (cm), bobot basah (g) dan bobot kering brangkasan (g). Hasil penelitian menunjukkan bahwa NPK 12+11+18z+(S)z+3 Mg+3,8S+Te menghasilkan bobot umbi terbaik. The shallot is one of the strategic and valuable horticultural commodities which is spreaded almost all over Indonesia area. Commodity development constrain by the low productivity as a result of adaptation and inadequate intake of plant nutrients. The research purposed  to get the kind of NPK fertilizers that was efective and efficient on shallot production had been done in the Langensari village Langensari Lembang district, West Bandung regency from March till May 2014, using Randomized Block Design (RBD) with 6 treatments and 3 repplications. NPK fertilizer used were: A = NPK 18+9+10+Te, B = NPK 15+15+sulfate 10, C = NPK 12+11+18z+(S) z + 3 Mg+3,8S+Te, D = NPK 15+9+20(S)+2MgO+3,8 S+Te, E = NPK 25+7+7 and F = control. The observed parameters were plant height (cm), number of tubers, leaf number, tuber length, tuber diameter, fresh weight and dry weight tuber. The results showed that NPK 12+11+18z+ (S)z+3 Mg+3,8S+Te gave the best growth and production.


2012 ◽  
Vol 10 (1) ◽  
pp. 27-32 ◽  
Author(s):  
J Sultana ◽  
M A Siddique ◽  
M H A Rashid

An experiment was carried out at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh during  the period from November 2010 to January 2011 to study the effects of cowdung and potassium on growth and yield  of Kohlrabi. The experiment consisted of three levels of cowdung (0, 20 and 40 t/ha) and four levels of potassium (0,  20, 50, 80 kg /ha). The experiment was laid out in randomized complete block design with three replications. All the  parameters were significantly influenced by application of cowdung and potassium. The highest plant height (44.65  cm), number of leaves per plant (12.11), length of largest leaf (37.54 cm), and breadth of largest leaf (18.66 cm) were  obtained from the highest dose of cowdung and potassium applied (40 t cowdung + 80 kg K/ha) while the lowest  plant height (33.64 cm), number of leaves (9.01), length of largest leaf (27.94 cm), and breadth of largest leaf (11.00  cm) were obtained from control treatment combination. The highest fresh weight of leaves (49.33 g), fresh weight of  knob (328.66 g) and fresh weight of roots (66.55 g) per plant were also recorded under the treatment combination of  40 t cowdung + 80 kg K/ha, while the lowest fresh weight of leaves (22.11 g), fresh weight of knob (136.00 g) and  fresh weight of roots (23.33 g) were obtained from control treatment combination. Similarly, the dry weight of leaves  (19.34%), knob (15.19%) and roots (32.75%) were highest under the same treatment combination of 40 t cowdung +  80 kg K/ha and the lowest dry weight of leaves (11.71%), dry weight of knob (7.38%) and dry weight of roots  (15.29%) were obtained from control treatment combination C0K0. The marketable yields of knob per plot (7.86 kg)  and per hectare (39.58 tons) were also the highest under the treatment combination 40 t cowdung/ha and 80 kg  potassium per hectare.   DOI: http://dx.doi.org/10.3329/jbau.v10i1.12035   J. Bangladesh Agril. Univ. 10(1): 27–32, 2012  


AGRICA ◽  
2020 ◽  
Vol 7 (1) ◽  
pp. 45-56
Author(s):  
Murdaningsih Murdaningsih

This study aims to determine the effect of NPK Mutiara fertilizer dose on the growth and yield of green beans and determine the optimum dosage of NPK Mutiara fertilizer that can deliver growth and yield optimal green beans. The design used in this study is a randomized block design with treatments used were N0 (without fertilizer NPK NPK 0 kg ha-1 or 0 g plot-1), N1 (NPK fertilizer 125 kg ha-1 or 25 g plot-1), N2 (NPK fertilizer 250 kg ha-1 or 50 g plot-1), N3 (NPK fertilizer 375 kg ha-1 or 75 g), N4 (NPK 500 kg ha-1 or 100 g plot-1). Variable observation in this study was plant height, number of leaves, leaf area, number of pods tan-1 fresh weight stover tan-1, the dry weight of stover tan-1, the dry weight of stover ha-1 dry weight of seed tan-1, heavy ha-1 dry beans, dry weight of 100 seeds. The results showed that treatment of NPK fertilizer dose of 500 kg ha-1 very significant effect on plant height of 27.75 cm, leaf number 8 strands, leaf area 357.78 cm2, Total pods 19.65, fresh weight stover tan-1 96, 25 g, dry weight of stover tan-1 76.00 g, stover dry weight ha-1 19.00 tons, dry weight of seed tan-1 5.36-gram dry weight seed ha-1 1.34 tonnes, the weight of 100 seeds 2.62 gr.


2020 ◽  
Vol 36 (1) ◽  
pp. 11
Author(s):  
Radinal Arief Sinaga ◽  
Budiastuti Kurniasih ◽  
Eka Tarwaca Susila Putra

<span>Spent Bleaching Earth (SBE) is a by-product of the refining of Crude Palm Oil (CPO) into cooking oil which is classified as hazardous and toxic materials waste. SBE has the potential to be used as a filler in the production of NPK fertilizer. This study aims to compare the effect of SBE and Deoiled Bleaching Earth (DBE) as the replacement of clay mineral, which is expected to have the same effect as the control treatment in terms of the leaf area, total dry weight, plant height and yield of plant. </span><span lang="EN-US">This experiment used a one-factor Randomized Complete Block Design (RCBD) with three replicates. The treatments of filler in NPK fertilizer were 10% clay minerals, NPK with 5% clay mineral + 5% SBE filler and NPK with 5% clay mineral + 5% DBE filler. Fertilizer was given twice, ie when the plant was 14 days after planting (DAP) as much as 2 g polybag<sup>-1</sup> and age 35 DAP as much as 3 g polybag<sup>-1</sup> at each treatment. The results showed that the application of NPK fertilization with 5% clay mineral + 5% SBE filler and NPK fertilization with 5% clay mineral + 5% DBE filler had the same effect as NPK fertilization with 10% clay mineral filler on leaf area, total dry weight, plant height and yield of plant. SBE and DBE can be used as substituties for clay mineral in NPK fertilizer production.</span>


Agrin ◽  
2017 ◽  
Vol 21 (1) ◽  
Author(s):  
Nia Nur Aristiani ◽  
Purwandaru Widyasunu ◽  
Supartoto Supartoto

Penelitian bertujuan mengetahui: 1) dosis optimum inokulasi Lemna polyrhiza (Lp) bagi padi di lahansawah, 2) waktu inokulasi Lp terbaik bagi pertumbuhan dan produksi padi sawah, dan 3) interaksi dosis dan saatinokulasi Lp bagi padi sawah. Rancangan percobaan adalah Rancangan Acak Kelompok Lengkap (RAKL) tigakali ulangan. Faktor yang dicoba: 1) dosis aplikasi Lp (D): D0 (kontrol atau tanpa Lp); D1 (25 g Lp m-1); D2 (50g Lp m-1), dan D3 (75 g Lp m-1), serta 2) saat inokulasi Lp (P): P1 (padasaat tanam padi) dan P2 (14 hari setelahtanam padi). Variabel yang diamati: tinggi tanaman, jumlah anakan produktif, tingkat kehijauan daun, bobot jeramiper rumpun, bobot jerami/ha, jumlah gabah per malai, bobot 1000 biji, bobot gabah kering/ rumpun, serapannitrogen, dan prosentase penutupan petak percobaan oleh Lp. Hasil penelitian menunjukkan bahwa inokulasi Lpmemberikan pengaruh sangat nyata terhadap variabel tingkat kehijauan daun dengan hasil tertinggi pada perlakuanD2 (50 g Lp m-1) dan prosentase penutupan petak percobaan oleh Lp dengan hasil terbaik pada perlakuan D3 (75g Lp m-1). Hasil gabah tertinggi dicapai oleh perlakuan D1P1 dengan rata-rata hasil 1,56 ton/ha (konversi). Saatinokulasi Lp berpengaruh nyata terhadap bobot seribu biji, bobot tertinggi pada perlakuan P1 (bersamaan saattanam padi); prosentase penutupan percobaan petak oleh Lp terbaik pada perlakuan P1 (bersamaan saat tanampadi). Kombinasi perlakuan berpengaruh nyata terhadap prosentase penutupan petak percobaan oleh Lp denganhasil terbaik pada perlakuan D3 x P2 (75 g Lp m-1 yang diberikan 14 hari setelah tanam padi).Kata kunci: Padi, L. polyrhiza, dosis dan saat inokulasi L. polyrhizaABSTRACTThis research aimed to found-out: 1) the optimum dose of Lemna polyrhiza (Lp) innoculation to lowlandrice, 2) the best innoculation time of Lp to growth and yield of lowland rice, and 3) the dose and inoculation timeinteractions of Lp torice. Theexperiment was the factorial Randomized Complete Block Design repeated by threetimes. The factors were tested: 1) Lp innoculation dose: D0 (control or non Lp), D1 (25 g Lp m-1), D2 (50 g Lpm-1),and D3 (75 g Lp m-1), and 2) Lp’s innoculation time (P): P1 (at rice plant planting) and P2 (14 days afterrice planting). The variables observed: the plant height, number of productive tillers, leaf greeness level, strawdry weight/hill, straw dry weight/ha, number of grain/panicle, 1000 grain weight, grain dry weight/hill, nitrogenuptake, and the Lp covering percentage. The resultshowed: The Lpdose gave very significant effect to leaf greenesslevel at D2 (50 g Lp m-1) and to the Lp covering percentage at D3 (75 g Lp m-1), both were the best values. Thehighest rice yield was achieved by D1P1 by 1,56 ton/ha (conversion average). Innoculation time of Lp gavesignificant effect: to 1000 grain weight at P1 (at rice planting) as the best results, and to the Lp coveringpercentage (the best result was P1). The best combination of treatmentwhich gave significant effect to thepercentage of covering experiment field was D3 x P2 ( 75 g Lemna m-1 which was innoculated at 14th day afterrice planting).Keywords: Rice, L. polyrhiza, dose and innoculation time of L. polyrhiza


2016 ◽  
Vol 1 (1) ◽  
pp. 217-226
Author(s):  
Salvitia Dirgantary ◽  
Halimursyadah Halimursyadah ◽  
Syamsuddin Syamsuddin

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh pertumbuhan dan hasil bawang merah terhadap kombinasi dosis pupuk NPK dengan pupuk kandang. Penelitian ini dilaksanakan di lahan petani Desa Empetrieng Kecamatan Darul Kamal Kabupaten Aceh Besar, yang berlangsung dari bulan November 2015 sampai Januari 2016. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) pola non faktorial dengan 3 kali ulangan. Perlakuan dosis pupuk terdiri atas 9 perlakuan, sehingga diperoleh 27 satuan percobaan. Faktor yang diteliti ialah dosis pupuk yang terdiri dari 9 perlakuan yaitu: kontrol, 90 g NPK, 110 g NPK, 1,8 kg pupuk kandang, 2,4 kg pupuk kandang, 90 g NPK dan 1,8 kg pupuk kandang, 90 g NPK dan 2,4 kg pupuk kandang, 110 g NPK dan 1,8 kg pupuk kandang, 110 g NPK dan 2,4 kg pupuk kandang. Hasil penelitian menunjukkan bahwa perlakuan kombinasi dosis pupuk NPK dengan pupuk kandang berpengaruh sangat nyata terhadap bobot berangkasan basah, bobot berangkasan kering, bobot umbi kering, potensi hasil, dan berpengaruh tidak nyata terhadap tinggi tanaman umur 14, 28 dan 42 HST, jumlah daun umur 14, 28 dan 42 HST dan jumlah umbi. Kombinasi perlakuan 110 g NPK dan 2,4 kg pupuk kandang memberikan pengaruh yang terbaik dibandingkan perlakuan lainnya.Abstract. This study aimed to determine the effect of growth and yield the onion to the combination dose of NPK fertilizer and manure. This research was conducted in Empetrieng village, Darul Kamal, Aceh Besar, from November 2015 through January 2016. This study used a randomized block design (RBD) non factorial pattern with three replications. Dosage of fertilizer consisted of 9 treatments, in order to obtain 27 units of trial. Factors to be examined is that of fertilizers is comprised of 9 treatments, namely: control, 90 g of NPK, 110 g of NPK, manure 1.8 kg, 2.4 kg of manure, 90 g and 1.8 kg NPK manure, 90 g NPK and 2.4 kg of manure, 110 g and 1.8 kg NPK fertilizer, NPK 110 g and 2.4 kg of manure. The results showed that the combination treatment dose of NPK fertilizer with manure very significant effect on weight stover wet, weight stover dry weight of dried shallots, yield potential, and the effect was not significant on plant height ages 14, 28 and 42 DAP, the number of leaf age 14, 28 and 42 DAP and the number of shallots. Combination treatment of 110 g NPK and 2.4 kg NPK manure gives the best effect than other treatments.


2013 ◽  
Vol 10 (1) ◽  
pp. 12-19 ◽  
Author(s):  
MA Alam ◽  
MS Sheuly

An experiment was carried out to study the effect of time of tiller separation on grain growth and yield of transplant aman rice. The experiment consisted of 3 times of tiller separation viz. tiller separation at 25 (T1), 35 (T2) and 45 (T3) days after transplanting (DAT); and 5 levels of number of tillers kept hill-1 viz. intact hills (K0), 1 tiller kept hill-1 (K1), 2 tillers kept hill-1 (K2), 3 tillers kept hill-1 (K3) and 4 tillers kept hill-1 (K4). The experiment was conducted in randomized complete block design with three replications. The unit plot size was 4 m 2.5 m. With a few exceptions, the highest grain growth parameters like number of panicles hill-1, dry weight panicle-1, number of grains panicle-1, dry weight grain-1 and grain growth rate were observed when tillers were separated at 25 DAT but the lowest values were found at 45 DAT. The grain growth rate decreased with the advance of time. The highest grain yield (5.25 t ha-1) was obtained from tillers separated at 25 days after transplanting (DAT) but the lowest values (4.13 t ha-1) were recorded when tillers were separated at 45 DAT. The maximum grain yield (5.88 t ha-1) was found in intact hills, while the lowest values (2.64 t ha-1) were obtained when 1 tiller kept hill-1. DOI: http://dx.doi.org/10.3329/jsf.v10i1.16274 J Sci Foundation, January-June 2012;10(1):12-19


2020 ◽  
pp. 1-12
Author(s):  
E. K. Al-Fahdawe ◽  
A. A. Al-Sumaidaie ◽  
Y. K. Al-Hadithy

A pots experiment was conducted at the Department of Biology/College of Education for Girls/University of Anbar during Autumn season of 2018-2019 to study the effect of the salinity irrigation water and spray by humic acid in some of morphological, physiological, growth and yield traits of wheat cv. IPa. The experiment was randomized complete block design (RCBD) with three replications. The first factor was assigned for irrigation by saline water at four level (S0, S1, S2 and S3), while the second factor was the foliar spraying of humic acid in three level (0.0, 1.0 and 1.5 g l-1). The results showed that there was significant reduction in plant height, vegetative dry weight, biological yield and chlorophyll leaves content when the plants were irrigated by saline water approached to 41.09 cm, 0.747 g, 0.849 g plant-1 and 38.67 SPAD, respectively at salinity level of 8.3 ds m-1 compared with the plants which irrigated by fresh water. The total carbohydrates were significantly decreased at the treatment of 8.3 ds m-1 reached 18.71 mg g-1. Spray levels humic acid achieved a significant increase in plant height, dry weight of the vegetative part, biological yield and chlorophyll leaves content sprayed at 1.0 and 1.5 g l-1 compared to no sprayed. Nitrogen concentration was significantly increased, while both phosphorus and potassium were decreased in the vegetative parts of wheat as the salinity of irrigation water increased. However, the increase of humic acid levels led to significant increasing in nitrogen, phosphorus and potassium concentration.


2016 ◽  
Vol 10 (1) ◽  
pp. 53-62
Author(s):  
Visca R Yuanita ◽  
Tri Kurniastuti ◽  
Palupi Puspitorini

Research about influence of goat manure and NPK fertilizer on the growth and yield of green eggplant (Solanum mengolena L.) has been conducted in field village farmer-owned Semen Gandusari District of Blitar which took place in March-April 2016. The aim of this study was to know the interaction for among goat manure and NPK fertilizer on the growth and yield of green eggplant as well as the effect of each factor. This study uses Randomaized Complete Block Design (RCBD) factorial consisting of 16 treatment and each 3 replicates ie: P0M0, P0M1, P0M2, P0M3, P1M0, P1M1, P1M2, P1M3, P2M0, P2M1, P2M2, P2M3, P3M0, P3M1 , P3M2, P3M3. The data taking were plant height, leaf number, fruit length, fruit diameter and weight of fruit per plant. The data were analyzed to F test as followed by a 5% test Honestly Significant Difference (HSD) error level of 5%. The experimental results very significant effect on plant height, leaf number, fruit length and weight of fruits per plant and the effect is not noticeable to the diameter of fruit plants green eggplant. The combined use goat manure 750 g / plant and NPK fertilizer 60 g / plant (P2M3) is proper fertilization to improve the growth and best yield of green eggplant with the highest total weight of the fruit crop that yields 1576.6 grams


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