STATUS LOGAM BERAT KADMIUM DAN HASIL RIMPANG TEMUIRENG (Curcuma aeruginosa Roxb.) PADA BEBERAPA DOSIS PEMUPUKAN FOSFAT

Status of cadmium and rhizome yield l/temuireng (Cur¬ cuma aeruginosa Roxb.) at by d fferent dosages phos¬ phatefertilizerCadmium is a heavy metal which is for human being. The concentration of Cd in the soil will increase if phosphate fertilizer is applied, because Cd is available in the sediment rock of phosphate as a raw material for phosphate fertilizer. Recently it is said that simplicia of medicinal crops originated from Asia is contaminated with heavy metals. That contamination mainly derives from Ihe environmental growth. Theefore, the research on the status of Cd in rhizomes Curcuma aeruginosa Roxb. due phosphate fertilizer is essential to be conducted. The experiment was conducted in the experimental garden of Research Institute for Spice and Medicinal Crops from August 1997 - June 1998. The experiment used polybags which were illed with 25 kg Bogor dry latosol soil mixed with I kg of rice husk and 2 kg cattle manue It used randomized block design (RBD) with four replications and ive samples each treatment. The treatments were (I) no NPK; and 8 dosages of TSP, (2)0; (3)2.5; (4)5; (5)7.5; (6)10.0; (7)12.5; (8)15.0; and (9)20.0g/ polybag respectively. Each TSP treatments was added with 1 5 g uea and 19 g KCI/ polybag. The plant wee harvested at 8.5 month after planting. The results of experiments showed that application of2.5; 5; 7.5; 10; 12.5; 15; and 20 g/polybag of TSP increased dry weight of simplicia from 24.3- 40%. The content of Cd in rhizomes, produced by plant with 5 up to 20 g TSP fertilizer was 1.181 - 2.756 ppm. The Cd content was higher than tolerance limited value as determined by laws of heavy metal in Japan (I ppm) and WHO (0.24 ppm). While fertilizer teatments of 0 and 2.5 g TSP produced rhizomes with Cd content 0.630 - 0.945 ppm, and it is still under tolerance limited value by Japan, but, higher than WHO laws. Due to high Cd content in rhizomes (1.181 - 2.756 ppm), those simplicia can not be used as row material for medicine.

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SOYBEAN GROWTH AND YIELD WITH APPLICATION OF PHOSPHATE FERTILIZER AND ORGANIC MATTER

Journal of Community Research and Service ◽

10.24114/jcrs.v1i2.9340 ◽

2018 ◽

Vol 1 (2) ◽

pp. 68

Author(s):

Lely Wahidah Nasution ◽

Chairani Hanum ◽

Hamidah Hanum

Keyword(s):

Organic Matter ◽

Block Design ◽

Dry Weight ◽

Phosphate Fertilizer ◽

Soy Sauce ◽

Growth And Yield ◽

Empty Fruit Bunches ◽

Shoot Dry Weight ◽

Randomized Block Design ◽

Effective Use

AbstractSoybean is useful for tofu, tempe, soy sauce and soy milk. The effective use of fertilizer and organic application can increase soybean productivity. The objective of this research was to study the growth and yield of various soybean varieties on application of phospate fertilizer and organic matter. This research was conducted in North Binjai and Research and Technology Laboratory Agriculture Faculty Universitas Sumatera Utara, Medan on May-September 2016. The method used Randomized Block Design with 3 factors. The first factor is soybean varieties consisting of: (Argomulyo, Dering, Dena, Kaba, Gema, Grobogan and Wilis), fertilization of phosphate (control and 150 kg/ha) and organic material application (control, Blotong 10 ton/ha and POEFBC/Palm Oil Empty Fruit Bunches Compost 10 ton / Ha). The results of this research showed that the seven varieties of soybean had characteristic differences on shoot dry weight, age of flowering, age of harvest, phospate uptake and dry weight of 100 seed. The longest flowering and harvesting age is obtained in Wilis, while the shortest age is Grobogan. The highest uptake of P in Argomulyo with treatment without organic matter and phospate fertilizer. Kaba variety with blotong treatment has the highest dry seed weight.Keywords : Organic Matter, Phosphate Fertilizer, Soybean Varieties

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Pertumbuhan, hasil, dan kandungan kromium kangkung darat akibat kombinasi macam dan dosis bahan organik pada media tanam tercemar

Kultivasi ◽

10.24198/kultivasi.v18i3.22464 ◽

2019 ◽

Vol 18 (3) ◽

Author(s):

Intan Nurcahya ◽

Noertjahyani Noertjahyani ◽

Hudaya Mulyana

Keyword(s):

Heavy Metal ◽

Block Design ◽

Organic Fertilizer ◽

Water System ◽

Growth Yield ◽

Dry Weight ◽

Growth And Yield ◽

Water Spinach ◽

Polluted Soils ◽

Randomized Block Design

Sari. Kangkung darat merupakan salah satu tanaman yang dapat menyerap logam berat. Hal ini berkaitan dengan pertumbuhan, hasil, dan keamanan kangkung sebagai bahan konsumsi. Pencemaran lahan pertanian dapat disebabkan dari kegiatan industri, salah satunya yaitu limbah penyamakan kulit yang mengandung logam berat kromium yang mengairi lahan pertanian. Pemberian bahan organik merupakan salah satu cara untuk meningkatkan hasil tanaman kangkung darat dan menyerap logam berat. Penelitian bertujuan untuk mengetahui pengaruh kombinasi macam dan dosis bahan organik pada media tercemar kromium penyamakan kulit terhadap pertumbuhan, hasil dan kandungan kromium pada tanaman kangkung darat. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan sembilan perlakuan dan tiga kali ulangan. Perlakuan kombinasi macam dan dosis bahan organik terdiri dari serasah daun, pupuk kandang kambing, dan kascing dengan dosis masing-masing 5 t ha-1, 10 t ha-1dan 15 t ha-1. Hasil penelitian menunjukkan bahwa perlakuan kombinasi macam dan dosis bahan organik pada media tercemar kromium penyamakan kulit berpengaruh nyata terhadap pertumbuhan, dan hasil tanaman kangkung darat. Kombinasi kascing 15 t ha-1 memberikan pengaruh yang lebih baik terhadap tinggi tanaman, bobot segar per tanaman, dan bobot kering per tanaman, sedangkan pemberian serasah daun 5 t ha-1 menghasilkan tanaman kangkung darat dengan kandungan kromium yang lebih rendah (51,33 mgkg-1) dibandingkan perlakuan lainnya tetapi tanaman dengan kadar tersebut belum aman untuk dikonsumsi.Kata Kunci : kangkung darat, bahan organik, kromium, hasilAbstract. Water spinach is a heavy metal accumulator plant if grown in polluted soils. This raises the concern of water spinach safety as one of the most consumed vegetables in Asian household. Land pollution in water spinach cultivation area can be caused by industrial activities that involve heavy metals such as tannery. Industrial waste such as chrome leaches to the water system that eventually will be used as irrigation source for agriculture. Organic fertilizer is a potential solution to increase water spinach growth, yield, and absorb heavy metal contaminants. This research evaluated the effect of type and dosage of organic fertilizer on water spinach that grown in chromium-polluted soils. This research design used Randomized Block Design (RBD) with nine treatments and three replication. The treatment of combination of types and dosages of organic fertilizer. There were dried leaves, goat manure, and vermicompost with dosage of 5 t ha-1, 10 t ha-1 and 15 t ha-1. The results of this research showed that the effect of combination of organic fertilizer type and dosages at chrome polluted media gave better effect on growth, and yield of water spinach. Giving vermicompost of 15 t ha-1 gaves better effect on plant height, fresh weight of plant, and dry weight of plant, meanwhile the doses of 5 t ha-1dried leaves showed the lowest chrome content compared to other treatments, but these plants are still unsafe for consumption due to high chrome content.Keywords: water spinach, organic fertilizer, chromium, yield

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PENGARUH APLIKASI BAKTERI PELARUT FOSFAT DAN PUPUK ANORGANIK FOSFAT TERHADAP POPULASI BAKTERI PELARUT FOSFAT, P-TERSEDIA, DAN HASIL TANAMAN JAGUNG PADA ALFISOL

Jurnal Tanah dan Sumberdaya Lahan ◽

10.21776/ub.jtsl.2021.008.2.15 ◽

2021 ◽

Vol 8 (2) ◽

pp. 437-449

Author(s):

Gertruda Lovitna ◽

Yulia Nuraini ◽

Nurul Istiqomah

Keyword(s):

Crop Yields ◽

Block Design ◽

Chemical Properties ◽

Dry Weight ◽

Phosphate Fertilizer ◽

Corn Yield ◽

Phosphate Solubilizing Bacteria ◽

Randomized Block Design ◽

Insoluble Form ◽

Phosphate Solubilizing

Fulfilment of nutrients for plants can be maximized when fertilization, but the application of inorganic fertilizers can cause damage to the soil if the dosage is excessive. The utilization of phosphate solubilizing bacteria is an effort to increase the efficiency of phosphate fertilization that can extract phosphate from an insoluble form that becomes available. This study aimed to obtain a combination of inorganic fertilization doses (SP-36 and NPK) and the application of biological fertilizers that utilize phosphate solubilizing bacteria (PSB) to increase the population of phosphate solubilizing bacteria and P-available in the soil, as well as corn crop yields. This study used a randomized block design with nine treatments and three replications. The result showed that the application of PSB and inorganic phosphate fertilizer shows a significant effect on the population of PSB, P-available, plant height, stover dry weight, cob weight with husk and cob weight without husk, but didn’t show a significant effect on 100 seeds weight and number of plant leaves. Based on the correlation analysis, the results show a positive correlation between soil chemical properties, P-available, and corn yield.

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RESPON DAUN UNGU (Graptophyllumpictum L.) TERHADAP CEKAMAN AIR

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v8n3.2002.73-76 ◽

2020 ◽

Vol 8 (3) ◽

pp. 73

Author(s):

IRENG DARWATI ◽

ROSITA S.M. D. ◽

. HERNANI

Keyword(s):

Water Stress ◽

Raw Materials ◽

Block Design ◽

Dry Weight ◽

Production Quality ◽

Randomized Block Design ◽

Medicinal Crops ◽

Leaf Dry Weight ◽

Number Of Branches

Daun ungu atau handeuleum (Graptophyllum pictum I.) merupakan salah satu tanaman penghasil bahan baku obat Daunnya dapal digunakan untuk mengobati wasir, batu empedu. dan penyakit hati Penelitian ini bertujuan untuk mcmpelajari pengaruh cekaman air terhadap produksi dan mutu daun handeuleum. Percobaan pot (polybag) dilakukan di rumah plastik Balai Penelitian lanaman Rempah dan Obat. Bogor mulai bulan September 1997 sampai dengan Februari 1998. Percobaan disusun dalam rancangan acak kelompok (RAK) dengan 6 ulangan. Perlakuan tcrdiri atas 4 taraf cekaman air, yaitu : 1) 40% kapasitas lapang (KL), 2) 60% KL, 3) 80% KL dan 4) 100% KL. Hasil penelitian menunjukkan bahwa luas daun, jumlah cabang, bera( kering akar, berat kering ba(ang dan berat kering daun pada 60% KL dan 80% KL paling tinggi dibandingkan dengan perlakuan lainnya Untuk mutu daun yang dihasilkan, dari semua perlakuan memenuhi persyaratan yang dilctapkan dalam Malcria Medika Indonesia.Kata kunci : Graptophyllum pictum L. cekaman air, produksi, mutu ABSTRACT Effect of water stress on Graptophyllum pictum L.Graptophyllum pictum is one of the raw materials lor medicinal The leaf can be used for hemorrhoids, bladder and liver, The objectives of the experiment was to study the efect of drought stress on production and quality of leaves. Pot experiment was carried oul in green house of Research Institute for Spice and Medicinal Crops (RISMC). Bogor in September 1997 to February 1998. A randomized block design was used with six replicates. The treatments consisted of 4 levels of ield capacities 40%, 60%, 80% and 100%. The result of experiment showed mat leaf area, number of branches, root dry weight, branches dry weight and leaf dry weight on 60% and 80% of ield capacity were the highest compared with odier treatments. The quality of all treatments arc fulfilled in requirement of Indonesia Materia Mcdica.Key words : Graptophyllum pictum L, water stress, production, quality

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PENGARUH DOSIS DAN CARA PELETAKAN PUPUK TERHADAP PERTUMBUHAN TANAMAN KAYUMANIS (Cinnamomum burmanii ROBX)

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v12n3.2006.98-102 ◽

2020 ◽

Vol 12 (3) ◽

pp. 98

Author(s):

AZMI DHALIMI

Keyword(s):

Key Words ◽

Field Trial ◽

Block Design ◽

Randomized Block Design ◽

Canopy Area ◽

Two Factors ◽

Medicinal Crops ◽

Number Of Leaves ◽

Second Year ◽

Experimental Garden

ABSTRAK Penelitian lapangan dilaksanakan di Instalasi Kebun Percobaan Laing, Balai Penelitian Tanaman Rempah dan Obat, Solok, Sumatera Barat pada tahun 2002 sampai dengan 2004. Penelitian bertujuan untuk mendapatkan dosis pupuk NPK dan cara peletakan pupuk terbaik untuk pertumbuhan kayumanis. Perlakuan yang diuji adalah (A) dosis pupuk NPK yang terdiri atas 5 taraf; A1 = 15, A2 = 30 , A3 = 45, A4 = 60, dan A5 = 75 g/ph/th.yang diberikan secara bertahap pada tahun ke-1, ke-2 dan ke-3, (B) daerah peletakan pupuk yang terdiri atas: B1 (sebar di areal kanopi), B2 (sebar dalam alur ring), dan B3 (tugal pada 4 sisi tanaman). Dosis pupuk pada tahun pertama dan kedua diberikan masing-masing 67 dan 83% dari dosis penuh yang diberikan pada tahun ketiga. Penelitian menggunakan rancangan acak kelompok dengan pola faktorial, diulang 4 kali dengan ukuran plot 20 tan/perlakuan. Parameter yang diukur adalah tinggi tanaman, diameter batang, jumlah daun dan lebar tajuk. Hasil penelitian menunjukkan bahwa pada fase pertumbuhan tanaman umur 1 tahun di lapangan tidak terdapat interaksi antara dosis dan cara peletakan pupuk. Pengaruh interaksi baru terlihat setelah tanaman berumur 2 tahun, yaitu dengan penggunaan NPK dosis pupuk 62,5 g/ph/th yang ditempatkan pada alur ring (B2) menghasilkan pertumbuhan jumlah daun yang terbaik, yaitu sebanyak 316,7 helai, meskipun hasilnya tidak berbeda nyata dengan penggunaan NPK dosis 25 g/ph/th yang disebar sekitar ring (B1) atau tugal pada 4 sisi tanaman (B3) dengan hasil masing-masing 303,8 dan 302,6 helai daun/ph/th. Pada umur 3 tahun juga tidak terlihat adanya pengaruh interaksi di antara perlakuan. Kata kunci : Kayumanis, Cinnamomum burmanii Robx, pemupukan, pertumbuhan, Sumatera Barat ABSTRACT Effect of dosage and stoppage area of fertilizer for the growth of cinnamon (Cinnamomum burmanii ROBX) A field trial was conducted at the Laing Experimental Garden, Indonesian Spice and Medicinal Crops Research Institute, Solok, West Sumatra from the years 2002 to 2004. The objective of the research was to find out the best dosage and stoppage area of fertilizer for the growth of cinnamon. The treatment tested were (A) dosage of NPK, comprised of A1= 15, A2= 30 A3= 45 A4=60, and A5= 75 g/plant/year which were applied gradually in the 1 st , 2 nd , and 3 rd . (B) stoppage area of fertilizer consisting of : B1 (spread under canopy area), B2 (spread in the at canopy circle, and B3 (spotted at 4 points at canopy circle frontier). The research used a randomized block design, with two factors, and 2 replications and 20 plants/treatment. The parameters observed were plant height, diameter, number of leaves and wide of canopy. The results showed that on the first year there was no interaction between fertilizer dosage and stoppage area on the growth of cinnamon. The interaction between them was seen at second year where the treatment of 62.5 g NPK/plant/year which were placed on the ring (B2) produced the highest number of leaves 316.7, but this was not significantly different compared to the treatment of 25 g/plant/year which was spread on the ring (B1) and spotted at 4 points (B3) which produced 303.8 and 302.6 leaves/plant/year. At the 3 rd year there was no interaction between the two factors either. Key words : Cinnamon, Cinnamomum burmanii Robx, fertilizer, growth, West Sumatera

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RESPON PERTUMBUHAN DAN HASIL BAWANG MERAH TERHADAP PUPUK KALSIUM NITRAT

Agrika ◽

10.31328/ja.v14i1.1338 ◽

2020 ◽

Vol 14 (1) ◽

pp. 11

Author(s):

Lina Aisyawati ◽

Fuad Nur Azis

Keyword(s):

Weight Loss ◽

Nutrient Management ◽

Block Design ◽

Calcium Nitrate ◽

Dry Weight ◽

Growth And Yield ◽

Recommended Dosage ◽

Randomized Block Design ◽

Nitrate Fertilizer ◽

Experimental Garden

ABSTRAKPengelolaan unsur hara Nitrogen (N) melalui pemupukan yang cukup dan berimbang berperan penting untuk meningkatkan produktivitas bawang merah. Penggunaan senyawa nitrat sebagai sumber N dapat menjadi alternatif dalam penambahan unsur N. Penelitian ini bertujuan untuk mengetahui respon pertumbuhan dan hasil bawang merah pada beberapa taraf dosis pupuk kalsium nitrat. Penelitian dilakukan di Kebun Percobaan Mojosari, Kabupaten Mojokerto mulai Maret-Mei 2019. Penelitian menggunakan Rancangan Acak Kelompok diulang 3 kali menggunakan 9 perlakuan yaitu kontrol, dosis rekomendasi (200 kg/ha Urea dan 500 kg/ha ZA), dosis kombinasi pemberian Urea, ZA, dan Kalsium Nitrat. Parameter yang diamati adalah tinggi tanaman, jumlah anakan, diameter umbi, bobot rumpun, bobot rumpun kering askip, susut bobot, dan produktivitas. Hasil penelitian menunjukkan bahwa perlakuan dosis 150 kg/ha Urea dan 375 kg/ha ZA ditambahkan dengan dosis 5 g/l kalsium nitrat yang mampu meningkatkan pertumbuhan dan hasil tanaman bawang merah dibandingkan dengan perlakuan lainnya.ABSTRACTNitrogen (N) nutrient management through adequate and balanced fertilization plays an important role in increasing the productivity of shallots. The use of nitrate compounds as a source of N can be an alternative in the addition of the N element. This study was aimed to determine the response of shallot growth and yield from several levels of calcium nitrate fertilizer. The research was conducted at the Mojosari Experimental Garden, Mojokerto Regency from March to May 2019. The study used a Randomized Block Design with 3 replicates. The study used 9 treatments namely control, recommended dosage (200 kg / ha Urea and 500 kg / ha ZA), the combined dose of Urea, ZA, and calcium nitrate. The parameters observed were plant height, number of tillers, tuber diameter, weight of the clump, dry weight of the askip clump, weight loss, and productivity. The results showed that the treatment with dosage of 150 kg / ha Urea and 375 kg / ha ZA which was added with a dose of 5 g / l calcium nitrate was able to increase the shallot growth and yield plants compared to other treatments.

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Heavy metal interrelationships in soil in the presence of treated waste water

Global NEST Journal ◽

10.30955/gnj.000578 ◽

2013 ◽

Vol 11 (4) ◽

pp. 497-509

Keyword(s):

Heavy Metals ◽

Heavy Metal ◽

Municipal Wastewater ◽

Block Design ◽

Scientific Basis ◽

Point Of View ◽

Brussels Sprouts ◽

Metal Interactions ◽

Randomized Block Design ◽

Treated Municipal Wastewater

An experiment was conducted in a greenhouse located in Agrinion, Greece, in order to study the effect of the treated municipal wastewater (TMWW) on the soil heavy metal interactions, in comparison to ordinary well irrigation water, denoted as control. The ultimate aim was the establishment of sound scientific basis for the TMWW reuse in the irrigation of vegetable production. A randomized block design was used including TMWW and the control, in six replications, the vegetable of Brassica oleracea var. Gemmifera (Brussels sprouts) being used as a test crop. The following were found: Forty interactions took place in the soil between heavy metals Pb, Ni, Co, Cd, Cu and Zn. Of these, 11 were significant under both the TMWW and the Control, respectively. Also, under only TMWW 15 interactions or 37.5% were statistically significant, while under the Control 21 or 52.5%. It was also shown that the effect of TMWW on most of the statistically significant interactions between heavy metals, did not differ significantly from that of the control, suggesting that from this point of view, the TMWW could be used for reuse in vegetable irrigation, provided that health risk related to microbiological factor is taken into account.

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PEMBERIAN NUTRISI GOODPLANT PADA BERBAGAI UMUR BIBIT SECARA HIDROPONIK SISTEM NFT TERHADAP HASIL TANAMAN SELADA MERAH

GANEC SWARA ◽

10.35327/gara.v15i1.182 ◽

2021 ◽

Vol 15 (1) ◽

pp. 842

Author(s):

ANAK AGUNG GEDE PUTRA ◽

PANDE GEDE GUNAMANTA ◽

KETUT TURAINI INDRA WINTEN

Keyword(s):

Plant Nutrition ◽

Block Design ◽

Dry Weight ◽

Plant Nutrient ◽

N Nutrition ◽

Dose Treatment ◽

Seedling Age ◽

Randomized Block Design ◽

Experimental Treatments ◽

Experimental Garden

Research on the provision of Good plant nutrition at various ages of seeds using hydroponics NFT systems on the yield of red lettuce plants. This research is conducted in the experimental garden of the Faculty of Science and Technology, Tabanan University from October 2019 to December 2019. This research used a randomized block design (RBD). The experimental treatments consisted of 2 factors, namely the dose of Good plant nutrition and the age of the seeds. The first factor is the provision of a dose of Good plant (N) nutrition consisting of N1 = 800 ppm; N2 = 1000 ppm; N3 = 1200 ppm, and the second factor is the age of the seedlings (U) consisting of U1 = age 10 days after seeding (hss); U2 = Age 15 days after seeding (HSS), each treatment was repeated four times The interaction between Good plant nutrient dose treatment and seedling age (N x U) had a very significant effect (P <0.01) on all observed parameters. The highest oven-dry weight of economic yields is achieved by the treatment of the Good plant nutrient dose of 1000 ppm at the age of 15 hss (N2U2) seeds, namely 5.24 g, an increase of 57.33% from the lowest weight achieved by the treatment of 1200 ppm Good plant nutritional dose at 10 hss (N3U1) ) namely 3.33 g.

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Effect Bio-fertilizer of Bacillus, Azotobacter and Pseudomonas floresence in the Growth and Production of Corn Plant (Zea mays L.)

Basrah Journal of Agricultural Sciences ◽

10.37077/25200860.2019.252 ◽

2019 ◽

Vol 32 ◽

pp. 7-14

Author(s):

Mohammed S. Haran ◽

Abdal Zahra T. Thaher

Keyword(s):

Grain Yield ◽

Plant Height ◽

Block Design ◽

Dry Weight ◽

Phosphate Fertilizer ◽

Randomized Block Design ◽

Salt Level ◽

Leaf Surface Area ◽

Four Levels ◽

Phosphorus And Potassium

A field experiment was carried out with the use of complete randomized block design (CRBD) to study the effect of five bacterial inoculations (non- inoculation, inoculation with phosphate soluble bacteria, inoculation with Azotobacter bacteria, inoculation with Pseudomonas fluorescens and Bacterial mixture). Two levels of salinity of irrigation water 3 and 6 dS.m-1 and four levels of phosphate fertilizer (0, 40, 80 and 120 kgP.ha-1). The results showed that the mixed inoculation of phosphate soluble bacteria, Azotobacter and P. fluorescens bacteria were superior to the rest of the single bacterial inoculation in plant height, dry weight of the shoot part, total grain yield, weight of 100 grains, grain weight in cop, leaf surface area, nitrogen, phosphorus and potassium concentrations in the vegetative growth and grain with 33.08%, 31.90%, 61.07%, 44.99%, 62.06%, 36.94%, 12.8%, 31.5%, 156.5%, 272.3%, 39.5% and 75.1%, respectively, in comparison with the non- inoculation and irrigated water treatment of 6 dS.m-1 (T0S2P0), while the inoculation of phosphorus soluble bacteria did not differ significantly from the P.fluorescence inoculation in most of these traits. T3S2P3 was not significantly differ from T4S2P3 combined in the increase of plant height and total grain yield compared to the non- inoculation and non-phosphorous treated at the salt level 3and6 dS.m-1. The single-dose T2S2P3 did not differ significantly from the combined T4S2P3 3 and 6 dS.m-1.

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PENGARUH CEKAMAN AIR TERHADAP PRODUKSI DAN MUTU SIMPLISIA TEMPUYUNG (Sonchus arvensis L.)

Jurnal Penelitian Tanaman Industri ◽

10.21082/jlittri.v6n3.2000.73-79 ◽

2020 ◽

Vol 6 (3) ◽

pp. 73

Author(s):

MONO RAHARDJO ◽

IRENG DARWATI

Keyword(s):

Water Stress ◽

Block Design ◽

Field Capacity ◽

Dry Weight ◽

Pot Experiment ◽

Randomized Block Design ◽

Medicinal Crops ◽

Dry Soil ◽

Sonchus Arvensis

Effect of water stress on the production and quality of Sonchus arvensis L.Study on water stress in Sonchus arvensis L was conducted to improve the quality and production of leaves. Pot experiment was conducted at geen house Bogor Research Institute for Spice and Medicinal Crops from July to November 1996, with 7 kg latosol dry soil of Cimanggu Bogor per pot. Randomized block design with four replications were used. Eight treatments of water stess and casting were applied i.e. (I) 100% field capacity (FC) no casting, (2) 100% FC + casting, (3) 80% FC + casting with water stress started at 30 days alter planting (dap), (4) 60% FC + casting with water stess started at 30 dap, (5) 40% FC + casting with water stress started at 30 dap, (6) 80% FC + casting with water stress started at 50 DAP, (7) 60% FC + casting with water stress started at 50 dap, (8) 40% FC + casting with water stress started at 50 dap. Results showed that chlorophyl content leaf aea, fresh and dry weight of leaves deceased at a water stress of 60% FC strated al 30 dap the higher the water stress the lower the measurement of those parameters, but the higher the content of K and Na. The highest yield of fesh and dry leaves, respectively 53.22 and 4.58 g/plant was produced by the plants treated in 100% PC + casting. The plant treated in 40% FC started at 30 dap resulted in the highest quality of simplisia indicated by the highest content of K (8.2%) and Na (0.227%). With the treatment, K and Na conlent increased by 13.6 and 95.7% espectively and the dry weight of simplisia decreased by 62.9%.

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