scholarly journals Responds of Superior Teak (Tectona grandis) on Different Sulphur Concentrations

2019 ◽  
Vol 7 (2) ◽  
pp. 128
Author(s):  
Puji Lestari ◽  
Ridla Arifriana ◽  
Handojo Hadi Nurjanto
Keyword(s):  
Tectona Grandis ◽  
Tree Improvement ◽  
Growth Morphology ◽  
Improvement Program ◽  
Full Strength ◽  
Nodal Distance ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Concentration Levels

The tree improvement program has invented superior teak with an ability to improve its productivity. Yet the information about basic nutrient requirement of superior teak is less known. This study aimed to determine the optimal concentration of sulfur for the best growth of superior teak seedling and to identify the morphological symptoms of teak seedlings affected by several concentration levels of S. This study was conducted at a nursery on six months old teak seedlings. The experimental design was Completely Randomized Design (CRD) with four different solution treatments with three replication each. The treatments are K (control, aqua dest does not contain nutrients), S0 (solution contains nutrients except sulfur), S1 (solution contains nutrients with 0,5 full strength of S), and S2 (solution contains nutrients with full strength of S). Each treatment was replicated 3 times. Parameter observed included the height of seedling, the diameter of seedling, the nodal distance of seedling, the number of leaves, size of leaves and morphological symptoms of leaf. The results showed that at a concentration of nitrogen (N), phosphor (P), potassium (K), calcium (Ca), and magnesium (Mg) in full strength level, superior teak seedling which treated by S1 (S concentration of 421 ppm) resulted in the best growth. However, the morphology of teak leaves in all treatment showed abnormal.Keywords: growth, morphology, sulfur, superior teak

Subsitusi Fitohormon Dengan Air Kelapa (Cocos nucifera L.) pada Medium Vacin and Went Terhadap Pertumbuhan Eksplan Anggrek Dendrobium sp Secara in Vitro

2021 ◽  
Vol 3 (2) ◽  
Author(s):  
Wulan Dari Neng Gumiwang ◽  
Tintrim Rahayu ◽  
Ari Hayati
Keyword(s):  
Root Length ◽  
Cocos Nucifera ◽  
Water Concentration ◽  
Coconut Water ◽  
Culture Bottle ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Cocos Nucifera L

The purpose of this research is to determine the concentration of young coconut water that is appropriate for the growth of orchid plantlets (Dendrobium sp.) In vitro. This study used an experimental method, descriptive data analysis to compare several different concentrations of coconut water. The design of this study uses a completely randomized design (CRD). The treatments consist of 0% coconut water concentration (as a control), 15%, 30% and 60%. Each concentration was carried out 5 replications and each repetition consisted of 5 Dendrobium sp plantlets in each culture bottle conducted for 40 HST, for observing the root length carried out for 50 HST. The highest number of shoots and leaves were produced at the same concentration, namely 150 ml / L coconut water treatment (15% concentration) with an average of 2.8 shoots and the average number of leaves 10.8 leaves. The average number of roots and the longest root length was produced at a concentration of 600 ml / L coconut water (60% concentration) with an average of 6 roots, and the longest root length was 0.5 cm.Keywords: Young coconut water, (Cocos nucifera L.), Dendrobium sp., in vitro, growth.ABSTRAKTujuan penelitian ini ialah menentukan konsentrasi air kelapa muda yang tepat untuk pertumbuhan planlet anggrek (Dendrobium sp.) secara in vitro. Penelitian ini menggunakan metode eksperimen, analisis data secara deskriptif untuk membandingan beberapa konsentrasi air kelapa yang berbeda. Rancangan penelitian ini menggunakan Rancangan Acak Lengkap (RAL). Perlakukan terdiri dari konsentrasi air kelapa 0 % (sebagai kontrol), 15% , 30% dan 60%. Masing-masing konsentrasi dilakukan 5 kali ulangan dan setiap ulangan terdiri dari 5 planlet Dendrobium sp dalam setiap botol kultur yang dilakukan selama 40 HST, untuk pengamatan panjang akar dilakukan selama 50 HST. Jumlah tunas dan jumlah daun terbanyak dihasilkan pada konsentrasi yang sama, yaitu perlakuan air kelapa 150 ml/L (konsentrasi 15%)  dengan rata-rata jumlah tunas terbanyak 2,8 tunas dan rata-rata jumlah daun terbanyak 10,8 helai daun. Rata-rata jumlah akar terbanyak dan panjang akar terpanjang dihasilkan pada konsentrasi air kelapa 600 ml/L (Konsentrasi 60%) dengan rata-rata jumlah akar terbanyak sebanyak 6 akar, dan rata-rata panjang akar terpanjang 0,5 cm.Kata kunci : Air kelapa Muda (Cocos nucifera L.), Dendrobium sp., in vitro, pertumbuhan 

GROWTH RESPONSE OF BEHA GRASS (Brachiaria humidicola) FERTILIZED WITH GOAT MANURE

2021 ◽  
Vol 2 (3) ◽  
Author(s):  
Budiman Budiman ◽  
Natsir Sandiah ◽  
La Malesi
Keyword(s):  
Plant Height ◽  
Root Length ◽  
New Production ◽  
Brachiaria Humidicola ◽  
Randomized Design ◽  
Length Data ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Goat Manure ◽  
Difference Test

This study aimed to determine the best dosage of goat manure as a natural fertilizer on Beha grass(Brachiaria humidicola). This study used 64 poles of Beha grass grown in polybags divided into 16plots, and it used a completely randomized design (CRD) to analyze the data. This study consist of 4treatments that is P0 (0 ton/ha of goat manure), P1 (10 ton/ha of goat manure), P2 (15 ton/ha of goatmanure), and P3 (20 ton/ha of goat manure). This study's variables were plant height, number of leaves,numbers of tillers, new production, and root length. Data analysis used ANOVA variance continued withreal honest difference test. The result of this study showed that averages of plant height (cm) wereP0=26, P1=50.5, P2=51.5, and P3=52.75. Averages of the number of leaves were P0=22, P1=110,P2=160, and P3=185. Averages of numbers of tillers were P0=7, P1=25, P2=37, and P3=38. Averages ofnew production (g) were P0=17.75, P1=123.5, P2=178, and P3=192.25. Averages of root length (cm)were P0=37.8, P1=39.5, P2=41.775, and P3=49.5. Fertilization with natural fertilizer from goat manurehas a genuine effect (P<0.01) on the growth of Beha grass. The best dosage of fertilization with goatmanure was 15 ton/ha.

scholarly journals Growth and yield of teak stands at different spacing

2018 ◽  
Vol 53 (10) ◽  
pp. 1109-1118
Author(s):  
Reginaldo Antonio Medeiros ◽  
Haroldo Nogueira de Paiva ◽  
Flávio Siqueira D’Ávila ◽  
Helio Garcia Leite
Keyword(s):  
Growth Rate ◽  
Basal Area ◽  
Tree Height ◽  
Tectona Grandis ◽  
Growth And Yield ◽  
Mean Square ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Total Tree

Abstract: The objective of this work was to evaluate the growth and yield of teak (Tectona grandis) stands at different spacing and in different soil classes. Twelve spacing were evaluated in an Inceptisol and Oxisol, in plots with an area of 1,505 or 1,548 m2, arranged in a completely randomized design with nine replicates. The teak trees were measured at 26, 42, 50, and 78 months of age. Total tree height was less affected by spacing. Mean square diameter was greater in wider spacing, whereas basal area and total volume with bark were greater in closer spacing. An increase in volume with bark per tree was observed with the increase of useful area per plant. For teak trees, growth stagnation happens earlier, the growth rate is higher in closer spacing, and the plants grow more in the Inceptisol than in the Oxisol.

scholarly journals Perlakuan Berbagai Dosis Pupuk ZA Pertumbuhan Dan Hasil Tanaman Bayam Merah (Amaranthus gangeticus)

2021 ◽  
Vol 5 (2) ◽  
pp. 180
Author(s):  
Edy Kustiani ◽  
Mariyono Mariyono ◽  
Bela Citra Ayuningtyas
Keyword(s):  
Analysis Of Variance ◽  
Nutritional Value ◽  
Environmental Design ◽  
Dry Weight ◽  
Growth And Yield ◽  
Dose Treatment ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
The Ideal

Red spinach (Amaranthus gangeticus) is one of the most popular vegetables because of its high nutritional value and easy cultivation. Efforts to increase the production of red spinach are to fertilize to meet the needs of both macro and micronutrients. This study aimed to determine the effect of ZA fertilizer dose on the growth and yield of red spinach. The environmental design used was a non-factorial, completely randomized design with four replications. The factors tested were the dose of ZA fertilizer which consisted of 6 levels, namely: without ZA fertilizer (D0); 0.4 gr/polybag (D1); 0.8 gr/polybag (D2); 1.2 gr/polybag (D3); 1.6 gr/polybag (D4); 2 gr/polybag (D5). The data obtained were analyzed using analysis of variance, and if the results were significantly different, the BNT test was continued at a 5% level. The growth and yield of red spinach showed significant differences due to the ZA fertilizer dose treatment. The ZA fertilizer dose treatment of 1.2 g/polybag (D3) resulted in the highest plant height, the number of leaves, and leaf area of red spinach at 14, 21, and 28 days after planting. The ZA fertilizer dose treatment of 1.2 g/polybag (D3) resulted in the highest wet and dry weight plants of 49.15 and 4.38 grams, respectively. The ZA 1.2 gr/polybag dose is the ideal dose to increase the productivity of red spinach.Bayam merah (Amaranthus gangeticus) termasuk sayuran penting yang disukai masyarakat karena bernilai gizi tinggi dan mudah pembudidayaannya. Upaya peningkatan hasil bayam merah salah satunya dengan pemupukan untuk menambah nutrisi yang dibutuhkan tanaman. Tujuan dari penelitian ini adalah mempelajari respon pertumbuhan dan hasil tanaman bayam merah pada perlakuan dosis pupuk ZA. Pelaksanaan penelitian ini menggunakan Rancangan Acak Lengkap (RAL) satu faktor. Faktor yang diujikan adalah dosis pupuk ZA, terdiri 6 taraf, yaitu: tanpa pupuk ZA (D0); 0.4 gr/polybag (D1); 0.8 gr/polybag (D2); 1.2 gr/polybag (D3); 1.6 gr/polybag (D4); 2 gr /polybag (D5). Percobaan dilakukan dengan ulangan sebanyak 4 kali. Analisis data menggunakan analysis of variance (ANOVA), apabila berbeda nyata dilanjutkan uji Beda Nyata Terkecil (BNT) taraf 5%. Perlakuan dosis pupuk ZA berpengaruh nyata terhadap pertumbuhan dan hasil tanaman bayam merah. Perlakuan dosis pupuk ZA 1.2 gr/polybag (D3) menghasilkan tinggi, jumlah dan luas daun tanaman bayam merah tertinggi pada pengamatan umur 14, 21, dan 28 HST. Dosis pupuk ZA 1.2 gr/polybag (D3) juga menunjukkan berat basah dan berat kering tanaman tertinggi sebesar 49.15 dan 4.38 gram. Dosis ZA 1.2 gr/polybag merupakan dosis ideal untuk meningkatkan produktivitas tanaman bayam merah.

scholarly journals Phenology of African mahogany plants submitted to irrigation

2018 ◽  
Vol 8 (2) ◽  
pp. 239-246 ◽  
Author(s):  
Derblai Casaroli ◽  
Flávio De Oliveira Rosa ◽  
José Alves Júnior ◽  
Adão Wagner Pêgo Evangelista
Keyword(s):  
Wood Quality ◽  
Good Alternative ◽  
Stem Diameter ◽  
Forest Species ◽  
Drought Period ◽  
African Mahogany ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
The Times

In the searching of forest species with good wood quality, easy adaptability and high commercial value, the African mahogany (Khaya ivorensis Chev. A.) have been a good alternative. This study aimed evaluate the phenometric responses of African Mahogany submitted to irrigation. The field experiment was carried out in Bonfinópolis-GO, Brazil, with young plants of African mahogany, being 5 irrigated and 5 non-irrigated. The following variables were evaluated: plant height, stem heigh, number of leaves and leaflets, stem diameter and leaf area. A completely randomized design was used in a bi-factorial scheme 2x9 (A: irrigated and non-irrigated; D: 0, 120, 180, 240, 300, 360, 420, 480, 540 days after transplanting). All the variables showed significant differences not only for irrigated and non-irrigated treatments but also for the times of evaluation, except for stem diameter. Irrigation resulted in higher growth of plants and the irrigation of young African mahogany plants should be used mainly in drought period.

scholarly journals UJI PENGGUNAAN BERBAGAI MEDIA TUMBUH DAN PEMBERIAN PUPUK GROWMORE PADA AKLIMATISASI TANAMAN ANGGREK Dendrobium

2019 ◽  
Vol 15 (2) ◽  
pp. 105-114
Author(s):  
GUSTI MARLINA ◽  
MARLINDA MARLINDA ◽  
HENI ROSNETI
Keyword(s):  
Plant Height ◽  
Growth Media ◽  
Growing Media ◽  
Randomized Design ◽  
Honestly Significant Difference ◽  
Significant Difference ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Difference Test ◽  
Honestly Significant Difference Test

The research objective was determine the effect of various growth media and growmore fertilizer on the acclimatization of Dendrobium orchids. study used a Completely Randomized Design (CRD) Factorial consisting of 2 factors, the first is (M) of growing media which consists of 3 levels, namely: M1 (medium fern root), M2 (wood charcoal medium), M3 (coir media coconut) and the second is (G) growmore fertilizer which consists of 4 levels, namely: G0 (without Growmore fertilizer), G1 (Growmore fertilizer 2 g / liter), G2 (fertilizer Growmore 4 g / liter), G3 (Growmore fertilizer 6 g / liter). Determine the growth of orchid plants, observations were made with the following parameters Growth Percentage (%), Plant Height (cm), Number of leaves (strands), and Number of tillers (stems). Data obtained were analyzed statistically, then continued with the Honestly Significant Difference Test (BNJ) at the level of 5%. The results showed that the single treatment of the use of growing media did not have a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). The growth of growmore fertilizer also did not show a significant effect on the parameters of observation of growth percentage (%), plant height (cm), number of leaves (strands), and number of tillers (stems). Interaction of the use of various growth media and growmore fertilizer did not show a significant effect on the percentage of growth (%), plant height (cm), number of leaves (strands), and number of tillers (stems).

scholarly journals PENGARUH JUMLAH MATA TUNAS BATANG ATAS DAN TINGGI BATANG BAWAH PADA SAMBUNG PUCUK TERHADAP PERSENTASE TUMBUH JAMBU AIR (Syzygium Samarangense)

2020 ◽  
Vol 7 (2) ◽  
pp. 99
Author(s):  
Supriyono Supriyono ◽  
Tarwa Mustopa ◽  
Nunuk Helilusiatiningsih ◽  
Fristama Maulana
Keyword(s):  
Significant Interaction ◽  
Treatment Combination ◽  
Design Factor ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Number Of Shoots

Water guava (Syzygium Samarangense) was a popular plant in Indonesia because it was fresh and sweet. The aim of this research was to analyze the effect of the number of shoots of the upper stems and height of the rootstock at the shoot graft on the percentage of growing water guava. The method used in this study was a completely randomized design, factor into one rootstock length, namely 10 cm, 15 cm, and 20 cm. and the second factor was the number of buds on the scion, namely 2, 3, and 4. The results showed that there was a significant interaction in the treatment combination of the number of 4 buds on the upper stem and the length of the rootstock 15 cm at 35 days after grafting affected the growth percentage and growth in the number of leaves and length of the scion.

scholarly journals Seleksi Toleransi Kekeringan In Vitro terhadap Enam Belas Aksesi Tanaman Terung (Solanum melongena L. ) dengan Polietilena Glikol (PEG)

2015 ◽  
Vol 6 (1) ◽  
pp. 20
Author(s):  
Erna Sinaga ◽  
Megayani Sri Rahayu ◽  
Awang Maharijaya
Keyword(s):  
Tissue Culture ◽  
Drought Tolerance ◽  
In Vitro Selection ◽  
Solanum Melongena ◽  
Survival Percentage ◽  
Drought Tolerant ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design

<p>ABSTRACT</p><p>The objectives of this study were to study the effect of several concentrations of polyethylene glycol (PEG) on the in vitro growth of eggplant, to find the appropriate PEG concentration for in vitro selection to drought  tolerance  of eggplant  and the drought tolerant eggplant accessions. The experiment  was conducted  at  the  Laboratory  of  Tissue  Culture,  Department  of  Agronomy and Horticulture,  Bogor  Agricultural  University.  The  experiment  was arranged  in  a  completely randomized design with two factor. The first factor was concentration of PEG (0, 5, 10,  and  15%) while the second factor was eggplant accessions (Kania F1, 001, 007, 013, 016, 030, 034, 035, 055, 057, 069,  071,  072,  078,  085,  and  090).  The  results  showed  that  the addition  of PEG  to  in  vitro media significantly affected the survival percentage, the percentage of callus, developed the bud and the number of leaves of eggplant. Addition of PEG 10 and 15% in media can be used as the drought tolerance selective agent of eggplant in vitro. Kania F1, 001, 007, 016, 034, 035, 055, 057, 069, 071, 072, 078, 085, and 090 were eggplant accessions which might be tolerant to drought.</p><p>Keywords: in vitro selection, solanaceae, tissue culture, tolerant, drought</p><p> </p><p>ABSTRAK</p><p>Penelitian ini bertujuan untuk  mempelajari pengaruh beberapa konsentrasi polietilena glikol (PEG)  terhadap  pertumbuhan  tanaman  terung  in  vitro, mendapatkan  konsentrasi  PEG  yang  dapat digunakan  untuk seleksi tanaman terung secara in vitro  dan nomor terung toleran terhadap cekamankekeringan. Penelitian ini dilaksanakan di laboratorium Kultur Jaringan,  Departemen Agronomi dan Hortikultura,  Institut  Pertanian  Bogor.  Penelitian  ini  disusun dalam  rancangan  acak  lengkap  dua faktor. Faktor pertama adalah konsentrasi PEG  terdiri atas  0, 5, 10, dan 15%.  Faktor kedua adalah nomor terung terdiri atas enam belas nomor (Kania F1, 001, 007, 013, 016, 030, 034, 035, 055, 057, 069,  071,  072,  078,  085,  dan  090).  Hasil  penelitian menunjukkan  bahwa  penambahan  PEG  pada media  in  vitro  memberikan pengaruh  nyata  dan  sangat  nyata  terhadap  persentase  hidup eksplan, persentase  eksplan  berkalus,  pertambahan  tinggi  tunas,  dan jumlah  daun  tanaman  terung.  Media PEG 10 dan 15% merupakan media yang dapat digunakan untuk seleksi kekeringan tanaman terung in vitro. Nomor terung Kania F1, 001, 007, 016, 034, 035, 055, 057, 069, 071, 072, 078, 085, dan 090 merupakan nomor-nomor terung yang toleran terhadap cekaman kekeringan.</p><p>Kata kunci: kultur jaringan, seleksi in vitro, solanaceae, toleran kekeringan</p>

scholarly journals Response of Shallots of Batu Ijo Variety on Doses of N And K Fertilizers

Akta Agrosia ◽  
2021 ◽  
Vol 24 (1) ◽  
pp. 19-24
Author(s):  
Widodo Widodo ◽  
Marlin Marlin ◽  
Nancy B. Sitio
Keyword(s):  
Plant Growth ◽  
N Fertilizer ◽  
Tuber Weight ◽  
Plant Weight ◽  
Randomized Design ◽  
K Fertilizer ◽  
Two Factors ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Higher Doses

Shallots (Allium cepa var. Aggregatum L) have many varieties that can be grown in the highlands and lowlands and one of them is the Batu Ijo variety. Nutrients N and K play an important role for plant needs. This research was conducted from March to June 2019 in Medan Baru, Bengkulu City. This study used a completely randomized design with two factors. The first factor was the dose of N fertilizer and the second factor was the application of K fertilizer. The application of N fertilizer had a significant effect on the number of shallots at week 2. The Urea dose given decreases the number of spring onions. For the best treatment at plant height is the treatment of Urea 300 kg/ha and KCl 50 kg/ha. Plant growth from week 2 to 5 increased significantly. The application of K fertilizer has an effect on the number of shallots at week 2 and the number of tubers. The higher the plant age, the more the number of leaves produced, but at higher doses, the number of leaves and the number of tubers decreased. The best treatment for the number of leaves produced was Urea 300 kg/ha and without giving KCl. For the best treatment of fresh plant weight, namely Urea 300 kg/ha and KCl 150 kg/ha, the best treatment fresh tuber weight was Urea 300 kg/ha and KCl 150 kg/ha, for tuber diameter the best treatment was 200 kg/ha of urea and KCl 100 kg/ha and for the number of tubers of Urea 0 kg/ha and KCl 150 kg/ha.Keywords: shallots, N fertilizer, K fertilizer

scholarly journals EMISSÃO DE ÓXIDO NITROSO ASSOCIADO AO USO DE UREIA NO CULTIVO DE MELÃO AMARELO

Nativa ◽  
2018 ◽  
Vol 6 (6) ◽  
pp. 600
Author(s):  
Vanessa Cláudia Vasconcelos Segundo ◽  
Renato Innecco ◽  
Ebenézer De Oliveira Silva
Keyword(s):  
Leaf Area ◽  
Aerial Part ◽  
Dry Mass ◽  
Nitrogen Fertilizers ◽  
Root Part ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Brazilian Northeast ◽  
Total Soil Nitrogen

O meloeiro tem grande importância econômica para o Nordeste brasileiro. Entretanto, em seu cultivo utiliza-se insumos que podem prejudicar o ambiente; como, os fertilizantes nitrogenados. Objetivou-se avaliar a emissão de N2O em cultivo de meloeiro amarelo ‘Goldex’. O experimento foi instalado em delineamento inteiramente casualizado, com cinco repetições. Os tratamentos foram: 0 (controle), 1,0; 1,5 e 2 vezes a quantidade de nitrogênio recomendada para cada estádio. Foi analisado o fluxo de N2O, área foliar, número de folhas, massa seca da parte aérea, massa seca dos frutos, massa seca da parte radicular, nitrogênio total do solo, das plantas e N (NH4+ e NO3-) do solo. O fluxo de N2O teve comportamento temporal irregular durante a fase de plântulas e crescente na floração. Os tratamentos afetaram significativamente a área foliar, número de folhas, massa seca da parte aérea, massa seca da parte radicular, nitrogênio da parte aérea e parte radicular das plantas e do solo. A aplicação de nitrogênio, em dosagens superiores à recomendada, não aumentou a produção do meloeiro. E o cálculo do fator de emissão mostrou que a emissão do N2O não atingiu valores prejudiciais ao ambiente.Palavras-chave: fator de emissão, efeito estufa e nitrogênio. NITROUS OXIDE EMISSION ASSOCIATED WITH UREA USE THE YELLOW MELON CROP ABSTRACT: The melon has great economic importance for the Brazilian Northeast. However, in its cultivation uses inputs that can harm the environment; Such as nitrogen fertilizers. The objective of this study was to evaluate the emission of N2O in yellow 'Goldex' cultivar. The experiment was installed in a completely randomized design with five replications. The treatments were: 0 (control), 1.0; 1.5 and 2 times the amount of nitrogen recommended for each stage. N2O flux, leaf area, leaf number, shoot dry mass, fruit dry mass, dry mass of the root portion, total soil nitrogen, of the plants and N (NH4 + and NO3 -) of the soil were analyzed. The flow of N2O had irregular temporal behavior during the seedling phase and increased in flowering. The treatments affected significantly the leaf area, number of leaves, dry mass of the aerial part, dry mass of the root part, nitrogen of the aerial part and root part of the plants and the soil. The application of nitrogen, in dosages higher than the recommended one, did not increase the production of the melon. And the calculation of the emission factor showed that the emission of N2O did not reach values harmful to the environment.Keywords: emission fator, greenhouse and nitrogen.

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