PENGARUH PUPUK TERHADAP PERTUMBUHAN TANAMAN MENTE BELUM MENGHASILKAN (TBM) DI BAYAN LOMBOK

Penelitian ini dilakukan untuk mengetahui pengaruh dosis dan komposisi pupuk NPK terhadap petumbuhan tanaman jambu mente muda (TBM) yang ditanam pada tanah regosol coklal keabu-abuan di Desa Anyar - Bayan (Lombok Barat) dari tahun 1997 sampai 2000. Perlakuan pupuk yang diuji adalah: (1) Taraf pemberian pupuk: 0, 150, 300, 450, 600 dan 750 g NPK/pohon/tahun; dan (2) Komposisi pupuk NPK (2:1:1, 1:1:1, dan 1:1:2). Perlakuan pupuk disusun dalam rancangan acak kelompok dengan 2 ulangan dan ukuran petak 4 pohon. Hasil penelitian menunjukkan tidak ada pengaruh intcraksi nyata antara perlakuan dosis dan komposisi pupuk NPK terhadap petumbuhan tanaman jambu mente muda. Sedangkan faktor tunggalnya, dosis maupun komposisi pupuk, berpengaruh nyata terhadap petumbuhan tanaman. Dosis pupuk yang memadai untuk mendukung petumbuhan tanaman secara normal menurut stadia (umur) adalah 100, 200, 400 dan 600 g NPK (dalam N, P20, dan KjO) per pohon per tahun, masing-masing unluk 1, 2, 3 dan 4 tahun. Sedangkan komposisi pupuk NPK yang dianjurkan adalah NPK 1:1:2 untuk tanaman umur 1 -2 tahun, dan NPK 2:1:1 tanaman umur 3 - 4 tahun.Kata kunci: Anacardium occidentale, jambu mente, pupuk ABSTRACT Effect of fertilizer application on the growth of young cashew plants in Bayan, LombokThis study was conducted on young cashew trees grown in grayish- brown regosol soil located in Anyar Bayan (West Lombok) rom 1997 to 2000. The objective of this study was to find out the effect of NPK fertilizer and its composition on Uie growlh of me crops. The treatments were: (1) fetilizer rates (0, 150, 300, 450, 600 and 750 g NPK /tree/year); and (2) composition of NPK (2:1:1, 1:1:1 and 1:1:2). The treatments were arranged in randomized block design with 2 replicates, 4 plants per plot. Results showed that there was no significant interaction between fertilizer rate and its composition on the growth of the plants. Individually, however, both fertilizer rate and NPK composition significantly affected growlh of young cashew trees. Adequate rates of fertilizer application were 100, 200, 400 and 600 g NPK (in N, P2Oj dan KjO) per tree per year for 1, 2, 3 and 4 years old, respectively. Whereas, fetilizer compositions of NPK 1:1:2 and NPK 2:1:1 were suitable for young trees of 1-2 and 3-4 years old, respectively.Keywords: Anacardium occidentale. cashew, fertilizer, application, plant growth, Lombok

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Pengaruh Pemberian Pupuk NPK Phoska dan Pupuk Organik Cair Terhadap Pertumbuhan dan Produksi Tanaman Pisang Rutai ( Musa sp )

Agrifarm : Jurnal Ilmu Pertanian ◽

10.24903/ajip.v6i2.286 ◽

2018 ◽

Vol 6 (2) ◽

pp. 60

Author(s):

Teguh Martono ◽

Purwati Purwati ◽

Iin Arsensi

Keyword(s):

Data Collection ◽

Plant Growth ◽

Block Design ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Banana Plant ◽

Land Preparation ◽

Musa Sp ◽

Randomized Block Design ◽

Npk Fertilizer

The Influence of NPK Phoska Fertilizer and Liquid Organic Fertilizer on Banana Plant Growth and Production (Musa sp). The purpose of this study was to determine the effect of NPK Phoska fertilizer and liquid organic fertilizer on the growth and production of banana rutai plant. The study was conducted for 7 (seven) months, from February to September 2015, starting from land preparation to data collection. This research was conducted on campus of Widya Gama Mahakam Samarinda. The research design used was factorial randomized block design 3 x 3 with 3 times replication. The first factor was Phoska NPK fertilizer (P) consisting of 3 levels: P0 (Without Treatment), P1 (1080 g / plant) and P2 (1580 g / plant). The second factor is the application of liquid organic fertilizer (B) 3 levels, namely: B0 (Without treatment), B1 (5000 ml) and B2 (10000 ml). The result of the research showed that the best treatment of NPK Phoska P2 (1580 g / plant) was the average of plant height 90 days after the highest treatment was 122.33 cm, the largest mean stem diameter was 11,08 cm and average the highest number of comb per bunches is 7.22 comb, the fastest harvest age is 248 days after planting. The best treatment of liquid organic fertilizer to the average number of combs per cluster was achieved at the treatment of B1 (5000 ml) ie 5.33 comb, the fastest harvest age 248 days after planting. The interaction between NPK Phoska fertilizer application and liquid organic fertilizer did not significantly affect all observation parameters.

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Serapan Hara N, P, K dan Pertumbuhan Tanaman Jagung Pada Berbagai Dosis Pupuk Anorganik dan Organik di Tanah Inceptisol

Jurnal Sains Teknologi & Lingkungan ◽

10.29303/jstl.v0i0.245 ◽

2021 ◽

pp. 55-66

Author(s):

Mulyati Mulyati ◽

Baharuddin AB ◽

R Sri Tejo Wulan

Keyword(s):

Plant Growth ◽

Nutrient Uptake ◽

Agronomic Traits ◽

Block Design ◽

Organic Fertilizer ◽

Fertilizer Application ◽

Organic Fertilizers ◽

Randomized Block Design ◽

Two Factors ◽

Inorganic And Organic

The use of inorganic fertilizers has an important role in increasing plant growth and production. But it also causes various problems such as decreasing soil organic matter, soil acidity, soil degradation, nutrient imbalance and increasing environmental pollution. Therefore, it needs to be balanced with the provision of organic fertilizers. A field experiment was conducted to study the effect of application of various doses of inorganic and organic fertilizers on N, P, K nutrient uptake and maize plant growth. The experimental design used was a randomized block design arranged in a factorial manner consisting of two factors. The first factor is the dose of inorganic fertilizer (A): 0, 150 and 300 kg ha-1 phonska and the second factor is organic fertilizer plus (P): 0, 10, 20 tons ha-1. The two factors were combined and each treatment combination was repeated three times. The data obtained were analyzed by analysis of variance at the 5% level of significance. The results showed that there was no interaction between the application of inorganic and organic fertilizers on the growth and nutrient uptake of N, P and K. However, the application of inorganic and organic fertilizers had a significant effect on all tested agronomic traits except for plant height. Nutrient uptake of N, P and K also increased significantly due to the application of inorganic and organic fertilizers. The balance of inorganic and organic fertilizer application increases the availability of nutrients as well as the uptake of N, P, and K nutrients by maize plants.

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Integrated Approach for Liming and Fertilizer Application on Yield of Cabbage and Cauliflower in Acidic Soil of Sylhet

Bangladesh Agronomy Journal ◽

10.3329/baj.v19i1.29870 ◽

2016 ◽

Vol 19 (1) ◽

pp. 49-57 ◽

Cited By ~ 2

Author(s):

MI Nazrul ◽

MR Shaheb

Keyword(s):

Block Design ◽

Integrated Approach ◽

Farming System ◽

Fertilizer Application ◽

Acidic Soil ◽

Soil Test ◽

Economic Returns ◽

Fertilizer Rate ◽

Randomized Block Design ◽

Similar Dose

An experiment was conducted at farming system research and development (FSRD) site, Jalalpur and multi location testing (MLT) sites, Moulvibazar and Zokigonj during 2013-2015 to study the effect of liming and fertilizers levels on the yield of cabbage and cauliflower in acidic soil of Sylhet. Trials were laid out in a factorial randomized block design with six dispersed replications. The treatments of fertilizer managements were M1: soil test based (STB) recommended fertilizer and M2: fertilizer dose practiced by the farmers (FP) and the level of limes were L1:0 t ha-1; L2: 1 t ha-1 and L3: 2 t ha-1. Results revealed that yields of cabbage and cauliflower responded significantly to fertilizer doses, levels of lime, and their combinations in all the locations. Soil test based fertilizer rate (M1-N201, P63, K65, S23, Zn0.5 for cabbage and M1-N157, P57, K116, S20, Zn0.5 Kg ha-1 for cauliflower) gave the maximum head and curd yields of cabbage and cauliflower, respectively. The levels of lime at the rate 2 t ha-1 (L3) provided the highest yields of cabbage and cauliflower in all locations. Dolomite lime @ 2 t ha-1 in combination with recommended fertilizer (M1L3) gave the highest yields and maximum economic returns of cabbage and cauliflower in all locations. However, it was identical with 1 t ha-1 of dolomite lime of similar dose of fertilizer nutrients. Therefore, application of lime at the rate 1 t ha-1 with STB recommended fertilizer management (M1) could be enough for profitable economic returns for cultivating cabbage and cauliflower in strongly acidic soil in Sylhet.Bangladesh Agron. J. 2016, 19(1): 49-57

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PENGARUH PUPUK UREA, SP36, DAN KCl TERHADAP PERTUMBUHAN DAN PRODUKSI TEMULAWAK (Curcuma xanthorhiza Roxb)

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v16n3.2010.98-105 ◽

2020 ◽

Vol 16 (3) ◽

pp. 98

Author(s):

MONO RAHARDJO ◽

EKWASITA RINI PRIBADI

Keyword(s):

Plant Growth ◽

Key Words ◽

Dry Matter ◽

Block Design ◽

Fertilizer Application ◽

Potassium Uptake ◽

Active Compounds ◽

Randomized Block Design ◽

Growth Production

ABSTRAKPenelitian dilakukan di Kebun Percobaan Sukamulya sejakSeptember 2006 sampai Desember 2007. Tujuan penelitian adalah untukmengetahui pengaruh pemberian pupuk urea, SP36, dan KCl terhadappertumbuhan, produksi, dan mutu rimpang temulawak. Perlakuan disusundalam faktorial 3 x 3 yang dilaksanakan dalam rancangan acak kelompokdan diulang 3 kali. Ketiga faktor yang dicoba terdiri atas 3 jenis pupukurea, SP36, dan KCl dengan takaran masing-masing 100, 200, dan 300kg/ha. Jarak tanam yang digunakan adalah 75 cm x 50 cm, denganpopulasi 40 tanaman/plot. Peubah yang diamati adalah, komponenpertumbuhan meliputi akumulasi biomas, produksi rimpang, mutusimplisia (minyak atsiri, bahan aktif kurkuminoid dan xanthorhizol), dankadar hara N, P dan K. Hasil penelitian menunjukkan bahwa pemupukanurea sebanyak 300 kg/ha pada tanah dengan status hara N rendahberpengaruh nyata terhadap peningkatan komponen pertumbuhan tanamantemulawak, biomas, hasil rimpang segar, dan simplisia kering pertanaman.Namun perlakuan interaksi dari tiga faktor pupuk urea, SP36, dan KCldengan masing-masing dosis 100, 200, dan 300 kg/ha tidak berpengaruhnyata terhadap produksi rimpang segar. Mutu simplisia yang dihasilkansudah memenuhi standar MMI ( DEPKES, RI, 1995. Produksi rimpangsegar berkisar antara 20,23 - 25,46 t/ha. Produksi rimpang segar 20,23 t/hadicapai perlakuan pemupukan urea, SP36, dan KCl masing-masing 100kg/ha, yang menyerap 37,41 kg/ha hara N, 15,30 kg/ha hara P, dan146,11 kg/ha hara K. Produksi rimpang segar 25,46 t/ha dicapai perlakuan300 kg/ha urea, 200 kg/ha SP36 dan 200 kg/ha KCl, yang menyerap193,44 kg/ha hara N, 21,05 kg/ha hara P, dan 221,34 kg/ha hara K.Kata kunci : Curcuma xanthorhiza Roxb, produksi, mutu, dan serapanharaABSTRACTEffect of urea, SP36, and KCl fertilizers on plant growthand production of java turmeric (Curcuma xanthorrhizaRoxb)The experiment was conducted in Sukamulya Experimental Stationfrom September 2006 until December 2007. The objective of the researchwas nitrogen, phosphate, potassium uptake to increase plant growth,production and to find out quality of java turmeric. The experiment wasarranged in factorial randomized block design with three replicates, andurea, SP36, and KCl fertilizer dosages were 100, 200, 300 kg/ha. The plantspacing was 75 cm x 50 cm, population was 40 plant/plot, and plot sizewas 3.75 m x 4 m. The first research was done in 2006 to obtain plantgrowth data and the second one was conducted in 2007 aiming to obtaindata on productivity and quality of rhizomes. Parameters observed wereaccumulation of biomass, rhizomes productivity and quality, absorption ofplant nutrition (N, P and K), active compounds (curcuminoid andxanthorhizol). The result showed that fertilizer application of 300 kg/haurea on the soil low in N content was able to increase growth componentof java turmeric, fresh rhizomes, and dry matter of rhizomes per/plant.Combination of the three application factors of urea, SP36, and KCl withdosages of 100, 200, and 300 kg/ha, respectively, did not affect onrhizomes productivity. The quality of rhizomes have fulfilled MMIstandard. The productivity of rhizome varied from 20.23 – 25.46 t/ha.Application of urea, SP36, and KCl with each dosage of 100 kg/haproduced 20.23 t/ha rhizome, which absorbed as much as 137.41 kg N,15.30 kg P, and 146.11 kg K per ha. Application of urea, SP36, and KCl of300, 200, and 200 kg/ha, respectively, produced 25.46 t/ha rhizome, whichabsorbed as much as 193.44 kg/ha N, 21.05 kg/ha P, and 221.34 kg/ha K.Key words : Curcuma xanthorrrhiza Roxb, productivity, quality andnutrien uptake

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POTENSI BAKTERI PELARUT FOSFAT DAN DIAZOTROF DARI RHIZOSFER KELAPA SAWIT TANAH GAMBUT SAPRIK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT

JURNAL AGROTEKNOLOGI ◽

10.24014/ja.v10i2.7670 ◽

2020 ◽

Vol 10 (2) ◽

pp. 76

Author(s):

Ida Nur Istina ◽

Happy Widiastuti ◽

Heri Widianto

Keyword(s):

Oil Palm ◽

Block Design ◽

Peat Soil ◽

Fertilizer Application ◽

N Fixation ◽

Diazotrophic Bacteria ◽

Randomized Block Design ◽

Npk Fertilizer ◽

Biological Fertilizer ◽

P Fertilizers

Utilization of biological fertilizer has the potential to reduce inorganic fertilizer application in oil palm cultivation. The aims of this research to obtain the potential of phosphate (P) solubilizing and diazotrophic bacteria from oil palm rhizosphere towards palm oil seedling growth. This research has been done on Sapric peat soil at Pelalawan Regency, Riau Province from June to November 2014, using a factorial randomized block design (3x5 with 3 replications). The first factor were the potential bacteria isolates (Io = without isolates; I1 = Isolate T5.1 + T7. I2 = Isolate T9.1 + T5); the second factor were NPK fertilizer dosage (p1-100%; p2 = 85%; p3 = 70% fertilizer and p4 = 55% recommended fertilizer). The results showed that sapric peat soil was a potential source of P solubilizing bacteria with the ability to solubilized of P up to 329.94 ppm, and diazotrophic bacteria with the ability of N-fixation up to 0.0293 mmol/L/ hr. Application of 70% N and P fertilizers and i2 isolate provides the best vegetative growth performance of oil palm seedlings and reduces 30% of inorganic fertilizers application.

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Pertumbuhan Tanaman Kacang Tanah (Arachis hypogea L. Merril) Setelah Aplikasi Azotobacter chroococcum Dan Pupuk NPK

Agrologia ◽

10.30598/a.v7i1.351 ◽

2018 ◽

Vol 7 (1) ◽

Author(s):

Dewikusuma Ikhsani ◽

Reginawanti Hindersah ◽

Diyan Herdiyantoro

Keyword(s):

Plant Growth ◽

Block Design ◽

Dry Weight ◽

Field Trials ◽

Fertilizer Application ◽

Azotobacter Chroococcum ◽

Chemical Fertilizers ◽

Arachis Hypogea ◽

Shoot Dry Weight ◽

Npk Fertilizer

The combination of biological fertilizers and chemical fertilizers can support the concept of sustainable integrated farming and minimize the adverse impacts of chemical fertilizers. Azotobacter sp. is a soil microbe that used as a biological fertilizer because it can fix N and produce phytohormones which are crucial for plant growth. This research aims to study the growth of peanut plants after Azotobacter chroococcum and NPK fertilizer application. This research was conducted on July-November 2016 in field trials of PT. Pupuk Kujang, Cikampek, West Java with a height of 25 m above sea level. The experiments were performed using a randomized block design with three treatments, 2 L / ha Azotobacter chroococcum, 300 kg / ha of NPK and 2 L / ha Azotobacter chroococcum + 150 kg / ha of NPK with four replications. The results showed treatment with a dose of 2 L / ha Azotobacter chroococcum + 150 kg / ha of NPK fertilizer can increase the growth of plant height and root dry weight, whereas treatment with a dose of 300 kg / ha of NPK most improve plant shoot dry weight. Keywords: Azotobacter chroococcum, NPK, Plant Growth.

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RESPON PERTUMBUHAN DAN HASIL BAWANG MERAH (Allium ascalonicum) TERHADAP PEMBERIAN ZAT PENGATUR TUMBUH DAN PUPUK NPK PADA TANAH SPODOSOL (The Growth and Yield Response of Onion (Allium ascalonicum)of Giving The Plant Growth Regulators (PGR) and NPK Fertili

AgriPeat ◽

10.36873/agp.v18i02.13 ◽

2019 ◽

Vol 18 (02) ◽

pp. 105-112

Author(s):

Journal Journal

Keyword(s):

Plant Growth ◽

Growth Regulator ◽

Block Design ◽

Growth And Yield ◽

Yield Response ◽

Onion Plant ◽

Crop Growth Rate ◽

Randomized Block Design ◽

Two Factors ◽

Npk Fertilizer

ABSTRACT The purpose of this study was to determine the growth and yield of onion that were given growth regulator (PGR) and NPK fertilizer on spodosol. This study used Randomized Block Design (RBD) of factorial pattern with two factors: (1) growth regulator (0, 3, 6, and 9 mL.L-1 ), and (2) NPK fertilizer (0, 150, 300, and 450 kg ha-1). The results of this study showed tha giving of PGR increased the crop growth rate of plants aged 14-21 day after planting (1.057 g.m-2 day -1) and 21-28 day after planting (1.089 g.m-2 day-1) with the best concentration of 6 mL.L-1 water. The best NPK fertilizer dosage of 300 kg.ha-1 was able to increase plant height at 42 day after planting (46,89 cm), leaf area 21, 28 and 35 day after planting (541,22 cm2, 717,37 cm2, and 714 , 29 cm2), weight of fresh stover (75,50 g), weight of dry stover (66,19 g) and tuber weight per plot (4,520,25 g). Key words : onion, plant growth regulator (PGR), NPK, spodosol ABSTRAK Tujuan penelitian untuk mengetahui pertumbuhan dan hasil tanaman bawang merah yang diberi zat pengatur tumbuh (ZPT) dan pupuk NPK pada tanah spodosol. Penelitian ini menggunakan menggunakan Rancangan Acak Kelompok (RAK) pola faktorial dengan dua faktor, yaitu : (1) zat pengatur tumbuh (0, 3, 6, dan 9 mL.L-1 air), dan (2) pupuk NPK ( 0, 150, 300, dan 450 kg.ha-1). Hasil penelitian menunjukkan bahwa pemberian ZPT meningkatkan laju pertumbuhan tanaman umur 14-21 hst (1,057 g.m-2. hari -1) dan 21-28 hst (1,089 g.m-2. hari -1) dengan konsentrasi terbaik 6 mL.L-1 air. Dosis pupuk NPK terbaik 300 kg.ha-1 mampu meningkatkan luas daun umur 21, 28 dan 35 hst, masing-masing 541,22 cm2, 717,37 cm2, dan 714,29 cm2, bobot brangkasan segar (75,50 g), bobot brangkasan kering (66,19 g) dan bobot umbi per petak (4.520,25 g). kata kunci: bawang merah, zat pengatur tumbuh (ZPT), NPK, spodosol

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PENGARUH PEMUPUKAN TERHADAP PERTUMBUHAN DAN PRODUKSI JAMBU METE DI LOMBOK

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v12n1.2006.20-26 ◽

2020 ◽

Vol 12 (1) ◽

pp. 20

Author(s):

USMAN DARAS ◽

J. PITONO

Keyword(s):

Field Study ◽

Key Words ◽

Rainy Season ◽

Block Design ◽

Growth Yield ◽

Fertilizer Application ◽

Anacardium Occidentale ◽

Growth And Yield ◽

Plot Size ◽

Randomized Block Design

ABSTRAK Penelitian dilakukan untuk mengetahui pengaruh dosis dan komposisi pupuk NPK terhadap pertumbuhan dan produksi jambu mete yang ditanam pada tanah regosol cokelat-kelabu di Desa Loloan, Kecamatan Bayan, Lombok Barat, dari tahun 1997 sampai 2000. Faktor yang diuji adalah: (1) komposisi NPK, 2 macam (1:1:1, dan 1:1:2); dan (2) dosis pupuk, 4 taraf (500, 750, 1000 dan 1500 g/pohon/tahun). Perlakuan disusun dalam rancangan acak kelompok dengan 4 ulangan dan ukuran petak 4 pohon. Hasil penelitian menunjukkan bahwa tanaman jambu mete cukup responsif terhadap pemupukan. Pemberian pupuk menaikkan kandungan hara N, P dan K daun. Dosis pupuk yang cukup memadai untuk menunjang pertumbuhan dan produksi jambu mete adalah 500, 750, dan 1000 g NPK/pohon/tahun dengan komposisi pupuk NPK 1:1:2, masing- masing untuk umur tanaman 5, 6, dan 7 tahun. Pupuk tersebut diberikan dalam 2 kali agihan, yaitu 50% pada awal musim hujan, dan 50% lagi menjelang akhir musim hujan. Kata kunci : Jambu mete, Anacardium occidentale, pemupukan, pertumbuhan, produksi, Nusa Tenggara Barat ABSTRACT Effect of fertilizer application on the growth and yield of cashew in Lombok A field study was conducted on cashew trees grown at grayish- brown regosol soil located at Loloan, Bayan, West Lombok, from 1997 to 2000. The objectives of the study were to examine the effect of NPK fertilizer and its composition on growth and yield of cashew. Treatments examined were: (1) composition of NPK (1:1:1, and 1:1:2); and (2) fertilizer dosage (500, 750, 1000 and 1500 g NPK/tree/year). The treatments were arranged in a randomized block design with 4 replications and plot size of 4 plants. Research results showed that the application of fertilizers significantly affected the growth and yield of cashew. The content of N, P and K in cashew leaves improved as the fertilizer dosage increased. Appropriate amounts of NPK were 500, 750 and 1000 g NPK/tree/year with composition of 1:1:2 for cashew trees of 5, 6 and 7 years old, respectively. The fertilizers were applied twice a year (50% in the beginning of rainy season, and 50% in the end of rainy season). Key words : Cashew, Anacardium occidentale, fertilizer application, growth, yield, West Nusa Tenggara

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Pengaruh Berbagai Jenis Pupuk Kandang Dan Frekuensi Penyiangan Terhadap Pertumbuhan Dan Hasil Tanaman Selada Keriting (Lactuca sativaL.)

Jagros : Jurnal Agroteknologi dan Sains (Journal of Agrotechnology Science) ◽

10.52434/jagros.v5i2.1363 ◽

2021 ◽

Vol 5 (2) ◽

pp. 377

Author(s):

Oryza Affandina Sani ◽

Hanny Hidayati Nafi’ah ◽

Novriza Satia

Keyword(s):

Plant Growth ◽

Experimental Method ◽

Organic Agriculture ◽

Block Design ◽

Dry Weight ◽

Chicken Manure ◽

Cow Manure ◽

Randomized Block Design ◽

Npk Fertilizer ◽

Goat Manure

Manure is a fertilizer that is widely used in organic agriculture. The purpose of this study was to determine whether there was a best combination of manure used and weeding frequency on plant growth and yields. The research was done in Cimaragas, CilawuDistrict, GarutRegency from August to September 2020. The research used an experimental method with factorial randomized block design (FRBD) consisted of 2treatment factors with 3replications, namely: First treatment (Types of Manure) consisted of goat manure (k1),cow manure (k2),chicken manure (k3),and NPK fertilizer (k0)as control. Second treatment (Weeding frequency) consisted of without weeding (p0),2times of weeding (p1),and4times of weeding (p2).The results showed that there was an interaction on the observation parameters of dry weight and leaf area of the plant. The combination that gives the best influence was cow manure with 2times of weeding.Keyword: lettuce, manure, weeding

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Tanggap Pertumbuhan Tanaman Biwa terhadap Berbagai Perbandingan Dosis Pupuk N, P, dan K

Jurnal Hortikultura ◽

10.21082/jhort.v21n1.2011.p1-13 ◽

2016 ◽

Vol 21 (1) ◽

pp. 1 ◽

Cited By ~ 1

Author(s):

Fritz H Silalahi ◽

Agustina E Marpaung ◽

Rariska Tarigan

Keyword(s):

Interaction Effect ◽

Significant Interaction ◽

Block Design ◽

Fertilizer Application ◽

Stem Diameter ◽

The Other ◽

Raw Material ◽

Eriobotrya Japonica ◽

Significant Interaction Effect ◽

Randomized Block Design

Buah biwa (Eriobotrya japonica) sangat baik untuk kesehatan tubuh dan dapaat digunakan sebagai bahan baku obat-obatan. Budidaya tanaman biwa di tingkat petani saat ini masih bersifat tradisional, sehingga produksinya masih rendah dan belum dapat memenuhi kebutuhan konsumen. Salah satu penyebabnya ialah keterbatasan informasi mengenai penggunaan pupuk yang efektif dan efisien pada pembudidayaannya. Penelitian bertujuan mengetahui pengaruh pemberian pupuk N, P, dan K pada tanaman biwa. Penelitian dilakukan di Kebun Percobaan Tanaman Buah Berastagi dengan ketinggian tempat 1.340 m dpl., dengan jenis tanah Andisol, yang dilaksanakan dari bulan Januari sampai dengan Desember 2006. Percobaan menggunakan rancangan acak kelompok pola faktorial dengan dua ulangan. Perlakuan terdiri atas tiga faktor yakni : N (0, 180, dan 360 kg/ha), P (0 dan 36 kg/ha), dan K (0, 180, dan 360 kg/ha). Hasil penelitian menunjukkan adanya interaksi NxP dan NxK terhadap pertambahan tinggi tanaman pada umur 6 dan 8 bulan setelah pemberian pupuk pertama.Tidak ada interaksi NxP yang nyata terhadap pertambahan diameter batang, namun ada interaksi NxK yang nyata terhadap pertambahan diameter batang pada umur 4, 6, dan 8 bulan setelah pemberian pupuk pertama. Taraf dosis pupuk N:P:K (360:36:180) kg/ha menghasilkan pertumbuhan vegetatif tanaman biwa (tinggi tanaman, diameter batang, serta jumlah tunas) yang lebih baik dari perlakuan lainnya. Hasil analisis daun biwa memperlihatkan bahwa kandungan hara N, P, dan K terbesar dalam daun yang ditemukan pada perlakuan dosis pupuk N:P:K (360:36:180) kg/ha. Implikasi dari penelitian ini adalah sebagai pedoman pemupukan pada budidaya biwa. Loquat fruits is very good for human health. Furthermore, it can be used as the raw material for some medicines. Until now the loquat cultivataion is still traditionally practiced by farmers, so its production is still very low and can not fulfill consumers demand. One of the reasons is that the information of effective and efficient fertilization is not available. The objective of the research was to determine the effect of N, P, and K fertilizers on the growth of loquat. The research was conducted at Berastagi Experimental Fruit Farm, at altitude of 1,340 m asl, with Andisol soil type, on January to December 2006. A randomized block design was used with two replications. The research consisted of 18 treatments combination with three factors i.e. N (0, 180, and 360 kg/ha), P (0 and 36 kg/ha), and K (0, 180, and 360 kg/ha). The results showed that there were significant interaction effects of NxP and NxK to plant height on 6 and 8 months after the first fertilizer application. The significant interaction effect of NxK was also stem diameter on 4, 6, and 8 months after the first fertilizer application. The dosage of N:P:K (360:36:180 kg/ha) exhibited better vegetative growth of loquat (plants height, stem diameter, and number of shoots) compared to other treatments. The analysis of loquat leaves indicaated that the content of N, P, and K nutrients on leaves was higher on the fertilizer dosage of N:P:K = 360:36:180 kg/ha compared to the other fertilizer treatments.Implication of the research is to guide fertilizing on loquat cultivation.

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