scholarly journals Pengaruh Dosis Pupuk Kandang Ayam yang Difermentasi EM-4 dan Konsentrasi Biourine Sapi terhadap Pertumbuhan dan Hasil Bayam Jepang (Spinacia Oleracea L.)

2020 ◽  
Vol 2 (2) ◽  
pp. 106-114
Author(s):  
Putu Suwardike ◽  
Putu Sri Wahyuni ◽  
I Made Artika

Abstract. The study aimed at finding out the EM4 fermented chicken manure dosage, the concentration of cow biourine, and the interaction between the two which gave the best growth and yield of Japanese spinach were carried out in Candikuning Village, Baturiti District, Tabanan Regency, at altitude of 1,500 m asl. The trial lasted 45 days, starting from Mid April - May 2019, using a Randomized Group Design (RBD), consisting of two factors. The first factor is the chicken manure dose EM-4 fermented (A), with 4 levels, namely: (A0) without chicken manure (control), (A1) chicken manure dose of 10 tons.ha-1 or 480 grams / plot, (A2) chicken manure dose of 20 ton.ha-1 or 960 gram / plot, and (A3) chicken manure dose of 30 ton.ha-1 or 1440 gram / plot. The second factor is the concentration of bovine biourine (B), with 4 levels, namely: (B0) without bovine biourine (control), (B1) concentration of 100 ml.l-1 bovine biourine solution or 10%, (B2) 200 ml bovine biourine concentration. l-1 solution or 20%, (B3) 300 ml.l-1 concentration of beef biourine solution or 30%. The results of the analysis showed that the EM4 fermented chicken manure had a significant effect on almost all variables observed, except plant height per plant aged 17 days and oven dry weight of leaves per plant. The EM4 fermented chicken manure dose of 20 ton.ha-1 gave the highest total wet weight per plant, which was 228.74 g and the highest total oven dry weight per plant, ie 115.37 g. The optimal dose of fermented chicken manure EM-4 is 18.40 ton.ha-1 with a total oven dry weight per plant maximum = 135.21 g. The concentration of 200 ml.l-1 biourine cattle gave the highest total wet weight per plant, which was 238.01 g and the highest total oven dry weight, which was 121.51 g. The optimal concentration of beef biourine is 176.69 ml.l-1 with a total oven dry weight per plant maximum = 135.44 g. The interaction between EM4 fermented chicken manure doses and cattle biourine concentration only significantly affected the number of leaves per plant aged 45 days.Keywords. Chicken manure, Biourine cow, Japanese spinachAbstrak. Penelitian yang betujuan untuk mengetahui dosis pupuk kandang ayam difermentasi EM4, konsentrasi biourine sapi, dan interaksi antara keduanya yang memberikan pertumbuhan dan hasil bayam Jepang terbaik telah dilakukan di Desa Candikuning, Kecamatan Baturiti, Kabupaten Tabanan, pada ketinggian tempat  1.500 m dpl. Percobaan berlangsung selama 45 hari, mulai dari Pertengahan April – Mei 2019, menggunaan Rancangan Acak Kelompok (RAK), terdiri dari dua faktor.  Faktor pertama dosis pupuk kandang kandang ayam difermentasi EM-4 (A), dengan 4 taraf yaitu : (A0) tanpa pupuk kandang ayam (kontrol), (A1) pupuk kandang ayam dosis 10 ton.ha-1 atau 480 gram/petak, (A2) pupuk kandang ayam dosis 20 ton.ha-1 atau 960 gram/petak, dan (A3) pupuk kandang ayam dosis 30 ton.ha-1 atau 1440 gram/petak. Faktor kedua kensentrasi biourine sapi (B), dengan 4 taraf yaitu : (B0) tanpa biourine sapi (kontrol), (B1) konsentrasi biourine sapi 100 ml.l-1larutan atau 10%, (B2) konsentrasi biourine sapi 200 ml.l-1larutan atau 20%, (B3) konsentrasi biourine sapi 300 ml.l-1larutan atau 30%.  Hasil analisis ragam menunjukan dosis pupuk kandang ayam yang difermentasi EM4 berpengaruh nyata sampai sangat nyata terhadap hampir semua variabel yang diamati, kecuali tinggi tanaman per tanaman umur 17 hst dan berat kering oven daun per tanaman. Dosis pupuk kandang ayam yang difermentasi EM4 20 ton.ha-1 memberikan  berat basah total per tanaman tertinggi, yaitu 228,74 g dan berat kering oven total per tanaman tertinggi, yaitu 115,37 g. Dosis optimal pupuk kandang ayam yang difermentasi EM-4 yaitu18,40 ton.ha-1dengan berat kering oven total per tanaman maksimum =  135,21 g. Konsentrasi biourine sapi 200 ml.l-1 larutan memberikan berat basah total per tanaman tertinggi, yaitu 238,01 g   dan berat kering oven total tertinggi, yaitu 121,51 g. Konsentrasi optimal biourine sapi yaitu 176,69 ml.l-1 dengan berat kering oven total per tanaman maksimum = 135,44 g. Interaksi antara dosis pupuk kandang ayam yang difermentasi EM4 dan konsentrasi biourine sapi hanya berpengaruh nyata terhadap jumlah daun per tanaman umur 45 hst.Kata kunci: Pupuk kandang ayam, Biourine sapi, Bayam jepang

2020 ◽  
Vol 2 (2) ◽  
pp. 106-114
Author(s):  
Putu Suwardike ◽  
Putu Sri Wahyuni ◽  
I Made Artika

Abstract. The study aimed at finding out the EM4 fermented chicken manure dosage, the concentration of cow biourine, and the interaction between the two which gave the best growth and yield of Japanese spinach were carried out in Candikuning Village, Baturiti District, Tabanan Regency, at altitude of 1,500 m asl. The trial lasted 45 days, starting from Mid April - May 2019, using a Randomized Group Design (RBD), consisting of two factors. The first factor is the chicken manure dose EM-4 fermented (A), with 4 levels, namely: (A0) without chicken manure (control), (A1) chicken manure dose of 10 tons.ha-1 or 480 grams / plot, (A2) chicken manure dose of 20 ton.ha-1 or 960 gram / plot, and (A3) chicken manure dose of 30 ton.ha-1 or 1440 gram / plot. The second factor is the concentration of bovine biourine (B), with 4 levels, namely: (B0) without bovine biourine (control), (B1) concentration of 100 ml.l-1 bovine biourine solution or 10%, (B2) 200 ml bovine biourine concentration. l-1 solution or 20%, (B3) 300 ml.l-1 concentration of beef biourine solution or 30%. The results of the analysis showed that the EM4 fermented chicken manure had a significant effect on almost all variables observed, except plant height per plant aged 17 days and oven dry weight of leaves per plant. The EM4 fermented chicken manure dose of 20 ton.ha-1 gave the highest total wet weight per plant, which was 228.74 g and the highest total oven dry weight per plant, ie 115.37 g. The optimal dose of fermented chicken manure EM-4 is 18.40 ton.ha-1 with a total oven dry weight per plant maximum = 135.21 g. The concentration of 200 ml.l-1 biourine cattle gave the highest total wet weight per plant, which was 238.01 g and the highest total oven dry weight, which was 121.51 g. The optimal concentration of beef biourine is 176.69 ml.l-1 with a total oven dry weight per plant maximum = 135.44 g. The interaction between EM4 fermented chicken manure doses and cattle biourine concentration only significantly affected the number of leaves per plant aged 45 days.Keywords. Chicken manure, Biourine cow, Japanese spinachAbstrak. Penelitian yang betujuan untuk mengetahui dosis pupuk kandang ayam difermentasi EM4, konsentrasi biourine sapi, dan interaksi antara keduanya yang memberikan pertumbuhan dan hasil bayam Jepang terbaik telah dilakukan di Desa Candikuning, Kecamatan Baturiti, Kabupaten Tabanan, pada ketinggian tempat  1.500 m dpl. Percobaan berlangsung selama 45 hari, mulai dari Pertengahan April – Mei 2019, menggunaan Rancangan Acak Kelompok (RAK), terdiri dari dua faktor.  Faktor pertama dosis pupuk kandang kandang ayam difermentasi EM-4 (A), dengan 4 taraf yaitu : (A0) tanpa pupuk kandang ayam (kontrol), (A1) pupuk kandang ayam dosis 10 ton.ha-1 atau 480 gram/petak, (A2) pupuk kandang ayam dosis 20 ton.ha-1 atau 960 gram/petak, dan (A3) pupuk kandang ayam dosis 30 ton.ha-1 atau 1440 gram/petak. Faktor kedua kensentrasi biourine sapi (B), dengan 4 taraf yaitu : (B0) tanpa biourine sapi (kontrol), (B1) konsentrasi biourine sapi 100 ml.l-1larutan atau 10%, (B2) konsentrasi biourine sapi 200 ml.l-1larutan atau 20%, (B3) konsentrasi biourine sapi 300 ml.l-1larutan atau 30%.  Hasil analisis ragam menunjukan dosis pupuk kandang ayam yang difermentasi EM4 berpengaruh nyata sampai sangat nyata terhadap hampir semua variabel yang diamati, kecuali tinggi tanaman per tanaman umur 17 hst dan berat kering oven daun per tanaman. Dosis pupuk kandang ayam yang difermentasi EM4 20 ton.ha-1 memberikan  berat basah total per tanaman tertinggi, yaitu 228,74 g dan berat kering oven total per tanaman tertinggi, yaitu 115,37 g. Dosis optimal pupuk kandang ayam yang difermentasi EM-4 yaitu18,40 ton.ha-1dengan berat kering oven total per tanaman maksimum =  135,21 g. Konsentrasi biourine sapi 200 ml.l-1 larutan memberikan berat basah total per tanaman tertinggi, yaitu 238,01 g   dan berat kering oven total tertinggi, yaitu 121,51 g. Konsentrasi optimal biourine sapi yaitu 176,69 ml.l-1 dengan berat kering oven total per tanaman maksimum = 135,44 g. Interaksi antara dosis pupuk kandang ayam yang difermentasi EM4 dan konsentrasi biourine sapi hanya berpengaruh nyata terhadap jumlah daun per tanaman umur 45 hst.Kata kunci: Pupuk kandang ayam, Biourine sapi, Bayam jepang


2019 ◽  
Vol 13 (2) ◽  
pp. 16-25
Author(s):  
Army Dita Serdani ◽  
Jeka Widiatmanta

This research is the development of the use of Lapindo mud and mycorrhizae as a planting medium. Lapindo mud contains nutrients such as N, P, K, Na, Ca, Mg, C organic and has a high cation exchange capacity. Mycorrhizae can increase the length of plant roots and are resistant to stress and soils contaminated with heavy metals. The study was arranged using a Randomized Block Design with factorial patterns, the first factor being the planting medium (A) and the second factor was mycorrhizae (P). The first factor is Lapindo mud and cow manure; Lapindo mud and goat manure; Lapindo mud and chicken manure with a ratio of 50%: 50%, respectively. From these two factors, 9 treatment combinations were obtained, namely A1P1, A1P2, A1P3, A2P1, A2P2, A2P3, A3P1, A3P2, and A3P3. Each treatment was repeated 3 times to obtain 27 experimental units. From the study found that there is a real interaction in providing a combination of planting media and mycorrhizae on the growth and yield of mustard plants. The best treatment combination was shown in the combination treatment of planting media (Lapindo mud and cow manure) with 10 gr mycorrhizae / plants (A1P2) on all observations (plant height, number of leaves, leaf area, fresh and dry weight of plants, root length, weight, weight wet and dry weight of root of mustard plants and absorption of heavy metal content).


AGRIFOR ◽  
2019 ◽  
Vol 18 (1) ◽  
pp. 145
Author(s):  
Sudirman Almi ◽  
Noor Jannah

This study aims to determine the effect of compost types and doses of compost fertilizer and their interactions on the growth and yield of mustard greens. To find out the dosage of compost suitable for mustard plants.The study was conducted in Bukit Makmur Village, Kaliorang District, East Kutai Regency. The research was conducted from May to June 2015. Starting from May 1, 2015 to June 15, 2015.The study used a Factorial 3x4 Complete Randomized Design (RAL) pattern which was repeated 4 (four) times. The first factor is the type of compost fertilizer (K) which consists of 3 (three) levels, namely: cow manure compost (k1), chicken manure compost (k2), and goat manure compost (k3). The second factor was the dose of compost (D) which consisted of 4 (four) levels, namely: without giving doses of compost fertilizer (d0), 35 g / polybag compost (d1), 52.5 g / polybag compost (d2) and 70 g / compost poly bag (d3).The treatment of compost types was significantly different from the wet weight of mustard plants, but it was not significantly different from plant height, number of leaves aged 2, 4 and 6 weeks after planting, and dry weight of mustard plants.The treatment of compost dosage was significantly different for plant height, but it was not significantly different from the number of leaves aged 2, 4 and 6 weeks after planting, wet weight and dry weight of mustard plants.The interaction between types of compost and the dosage of compost differed significantly from plant height, number of leaves aged 2, 4 and 6 weeks after planting, wet weight and dry weight of mustard plants


Author(s):  
Irpan Gunawan ◽  
Atak Tauhid ◽  
Isna Tustiyani

<p><em>Cauliflower is one of the vegetables for consumers. The demand for cauliflower was rising so it must be scaled up with fertilizer. The purpose of this study was to study the effect of chicken manure and NPK fertilizer on the growth and yield of cauliflower. The study was conducted in Sukasenang Village, Banyuresmi Sub-district, Garut Regency from July to August 2019. The study used a Randomized Block Design (RBD) in two factors each of the 3 rates with 2 replications. The first factor was the rates of chicken manure which consisted of 0, 10 and 20 tons ha<sup>-1</sup>; the second factor was NPK fertilizer which consists of 0, 100 and 200 kg ha<sup>-1</sup>. The parameter of this research was plant height, number of leaves, leaf area, weight and diameter crud. The results showed that there was no interaction between the chicken manure and NPK fertilizer. The treatment of 20 tons ha<sup>-1</sup> chicken manure affected the variable plant height, the number of leaves and leaf area. The rates of 200 kg ha<sup>-1</sup> NPK fertilizer had affected plant height, number of leaves, weight and diameter crud.</em></p>


Nabatia ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Andy Pradana ◽  
Al Machfudz WDP

This study aims to determine the application of potassium fertilizer and chicken manure to the growth and production of shallots (Allium ascalanicum L.). The study used a randomized block design with 2 factors repeated 3 times. Factor 1: Potassium Fertilizer 40,60,80 kg/ha. Factor 2: Chicken Manure 5,10,15 tons/ha. The results showed that the application of potassium fertilizer and chicken manure did not interact with either the growth phase or the production phase of the plant on all observation variables, while the potassium fertilizer treatment showed significantly different results only on the plant vegetative growth parameters, namely the number of leaves at the age of 7 days after planting, namely ( 8,111 strands), while the vegetative phase had no significant effect on the number of tubers per clump, wet weight of tubers per clump, wet weight of tubers per plot, dry weight of sun-dried tubers per clump, and dry weight of sun-dried tubers per plot. While the treatment of chicken manure had a significant effect on the vegetative growth phase of plants, namely the length of plants at 28 DAP (30.278 cm) and 35 DAP (32.704 cm), on the number of leaves at 7 DAP (8,000 strands). While the generative phase (60 DAP) significantly affected the number of tubers per clump, namely (5,889 grams), wet weight of tubers per clump (38,333 grams), wet weight of tubers per plot (319,000 grams), dry weight of sun-dried tubers per clump. namely (23.074 grams), and the dry weight of sun-dried tubers per plot (191.889 grams).


2017 ◽  
Vol 3 (01) ◽  
pp. 65-76
Author(s):  
Saima Kausar ◽  
Shahla Faizan ◽  
Irfana Haneef

Use of wastewater for irrigation is on the rise in India and other developing countries. Wastewater contains plant nutrients that favour crop growth but leave a burden of heavy metals which can enter the food chain and is a cause of great concern. This study was conducted to explore the possibility of using wastewater to grow four vegetables fenugreek (Trigonella foenum-graecum L.), spinach (Spinacia oleracea L.), radish (Raphanus sativus L.) and carrot (Daucus carotaL.). Two aspects namely (1) effect on plant growth and yield (2) accumulation of cadmium (Cd), chromium (Cr), copper (Cu), nickel (Ni), lead (Pb) and zinc (Zn) in leaves and roots of the plant have been presented in this paper. The physico-chemical analysis of the wastewater showed that it was rich in total suspended and dissolved solids with large amount of BOD and COD. The higher amount of Cl-, Ca++, Mg++ and K+ were also present in the effluent. The heavy metal (Cd, Cr, Cu, Ni, Pb and Zn) content in wastewater is comparatively more than groundwater (GW). The values of these heavy metals were slightly higher in the soil irrigated with wastewater. The effluent severely affects crop plants and soil properties when used for irrigation. The growth characteristics (plant length, plant fresh and dry weight, leaf number and leaf area) as well as yield characteristics (seed number, 1000 seed weight and seed yield) of all the plants, irrigated with 100% wastewater, were more than that with groundwater. The pattern of increase for the plants was fenugreek greater than radish greater than spinach greater than carrot. Though the wastewater contains low levels of the heavy metals, the soil and plant samples show higher values due to accumulation, but their level was under permissible limits in plants. The trend of metal accumulation in wastewater-irrigated soil is in the order: Pb greater than Ni greater than Zn greater than Cu greater than Cr greater than Cd. Of the four plants that are grown, the order of total heavy metal accumulation in roots is Carrot greater than Radish, while in leaves the order is Spinach greater than Fenugreek. The enrichment factor (EF) of the heavy metals in contaminated soil is in the sequence of Ni (3.1) greater than Pb (2.6) greater than Cd (2.35) greater than Zn (2.18) greater than Cu (1.66) greater than Cr (1.05), while in plants EF varies depending upon the species and plant part. Radish and carrot show a high transfer factor (TF greater than 1) for Cd signifying a high mobility of Cd from soil to plant whereas the TF values for Pb are very low as it is not bioavailable. Thus, it may be concluded that wastewater may be used profitably for the cultivation of these vegetables and could effectively supplement not only the nutrient requirement of the crop but may also act as the source of water..


AGRICA ◽  
2019 ◽  
Vol 12 (2) ◽  
pp. 44-56
Author(s):  
Yoseph Siga ◽  
Yovita Yashinta Bolly

Peanut belongs to the Leguminosae family, which has the opportunity to develop agro- industry in supporting efficient and effective regional economic development. The purpose of this study was to determine the effect of giving chicken manure to the growth and production of peanut plants as well as the optimal dose of chicken manure for the growth and production of peanut plants. The study conducted from June 2018 to October 2018. The study used a randomized block design (RBD) with six treatments and four replications so that twenty-four (24) trial units were obtained. Factor A0: No fertilizer (control), A1: 1.5 kg, A2: 3 kg, A3: 4,5, A4: 6, A5: 7 Kg per bed. The results showed that the provision of chicken manure significantly affected the height of plants aged 15 and 30 HST. Significantly affect the number of leaves of plants aged 15 and 30 HST. Very significant effect on the number of pods aged 90 Hst and very significant effect on the weight or wet weight of peanut pods aged 90 Hst. The dose of chicken manure 25 tons/ha in this study is the best fertilizer dosage treatment to provide the highest growth and production of Hypoma one peanut.


2019 ◽  
Vol 13 (1) ◽  
pp. 33-44
Author(s):  
Fendi Ramdhani

Demand for shallots continues to increase due to increasing population and consumption of mera onions. This research was carried out in jingglong village, Sutojayan sub-district, Blitar district in April - June 2018. This research was conducted using factorial randomized block design (RBD) with 2 factors, the first factor was immersion in coconut water (k) which consisted of 3 levels namely immersion for 1 hour (k1) soaking for 2 hours (k2) soaking for 3 hours (k3). The second factor is various media (m) consisting of 3 levels: soil 1: fertilizer 1: husk ash 1 (m1), soil 2: fertilizer 1: husk ash 1 (m2), soil 1: fertilizer 2: husk ash 1 ( m3) The variables observed included plant height, number of shoots, number of leaves, weight of tuber stover, wet weight of tubers, dry weight of tubers. Data were analyzed using analysis of variance (ANOVA) level of 5% and further testing with Duncan's Multiple Range Test (DMRT). There is no real interaction between coconut water immersion and various planting media on the growth and yield of shallots. The treatment of coconut water immersion (k) significantly affected the height of shallot plants at the age of 14 days and 21 days, and affected the number of shoots and leaves at all ages of observation. The treatment of various planting media showed a significant difference at the age of 14 days to 21 days. The treatment of various planting media had a significant effect on the weight of stover and the wet weight of onion tubers with the highest yield (m1) of 122.03 gr, while in the wet weight the highest yield was on media (m1) with a yield of 80.51 gr.


2017 ◽  
Vol 13 (2) ◽  
pp. 94-102
Author(s):  
Dessy A Ralahalu ◽  
Rhony E Ririhena ◽  
Abdul K Kilkoda

This study aims to examine the effect of concentration of liquid organic fertilizer supermes on various spacing to the growth and yield of onion. The experiment was conducted in Dusun Telaga Kodok, Hitu Lama Village, Leihitu Barat District, Central Maluku District, from March to April 2017. The experiment used was a Randomized Block Design with three replications. The concentration of liquid organic fertilizer supermes consists of: 0, 2, 4, 6 mL/L water. Plant ing distance consists of: 10 × 15 cm, 15 × 15 cm and 20 × 15 cm. Varieties used were varieties of Bima Brebes. Parameters measured were plant height, number of leaves, number of tubers, root length, wet weight and dry weight of tubers. During the experiment, rainfall and rainy days were quite high at the research location. This condition causes the crop to be harvested at 41 HST because it is attacked by ground caterpillar, mosaic disease and purple spots. The application of liquid organic fertilizer has not shown any significant effect to the growth and yield parameters of shallot crop. Planting distance of 15 × 15 cm shows the effect on plant height and number of leaves at 35 HST, tuber weight and tuber dry weight and there is a significant interaction on the leaf number at 35 HST with concentration of 4 mL/L water and Planting Distance 15 × 15 cm. Keywords: liquid organic fertilizer, planting distance, red onion   ABSTRAK Penelitian ini bertujuan untuk menguji pengaruh konsentrasi pupuk organik cair supermes pada berbagai jarak tanam terhadap pertumbuhan dan hasil bawang merah. Penelitian dilaksanakan di Dusun Telaga Kodok, Desa Hitu Lama Kecamatan Leihitu Barat, Kabupaten Maluku Tengah, dari bulan Maret sampai dengan April 2017. Percobaan menggunakan Rancangan Acak Kelompok dengan tiga ulangan. Konsentrasi pupuk organik cair Supermes terdiri dari 0, 2, 4, 6 mL/L air. Jarak tanam terdiri dari 10 ×15 cm, 15 × 15 cm, dan 20 × 15 cm. Varietas yang digunakan adalah varietas Bima Brebes. Paramater yang diukur adalah tinggi tanaman, jumlah daun, jumlah umbi, panjang akar, bobot basah dan bobot kering umbi. Selama percobaan berlangsung curah hujan dan hari hujan cukup tinggi terjadi di lokasi penelitian. Kondisi ini menyebabkan tanaman dipanen pada umur 41 HST karena diserang oleh hama ulat tanah, penyakit mozaik dan bercak ungu. Pemberian pupuk organik cair belum memberikan pengaruh yang nyata terhadap parameter pertumbuhan dan hasil tanaman bawang merah. Jarak tanaman 15 × 15 cm berpengaruh terhadap tinggi tanaman dan jumlah daun pada 35 HST, bobot basah umbi dan bobot kering umbi serta adanya interaksi perlakuan yang nyata terhadap jumlah daun pada umur 35 HST dengan konsentrasi 4 mL/L air dan jarak tanam 15 × 15 cm. Kata kunci: bawang merah, jarak tanam, pupuk organik cair


Nabatia ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Al Machfudz WDP ◽  
Deni Hari Prasetyo

This study aims to determine the effect of planting media and varieties on the growth and yield of shallot (Allium cepa L.) It was conducted from January to March 2020. The study used a randomized block design with 2 factors. Factor 1 is the type of planting media, namely without manure, chicken manure 10 tons/ha, goat manure 10 tons/ha, cow manure 10 tons/ha. Factor 2 is the shallot varieties Keta Monca and the Philippines. The results showed that there was an interaction between planting media and onion varieties on plant length variables in the combination of goat manure media with Filipino varieties at the age of 21 days with the highest yield (23,700 cm), while at 28 days it occurred in the combination of chicken manure media with keta varieties. monca with the highest yield (29,889 cm). In the variable number of leaves there was an interaction between chicken manure media and keta monca varieties at the age of 21 days (23.778 strands) and at the age of 28 days (28,000 pieces). plant, tuber wet weight per plant, tuber wet weight per plot, tuber dry weight per plant and tuber dry weight per plot. The best results occurred in the treatment of chicken manure growing media, while the lowest results occurred in the treatment without manure


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