scholarly journals The Comparison Production Growth of Potato Plants (Solanum Tuberesum, L) between Various Dosages of Biochar and Coffee Skin Compost

Author(s):  
. Khadijah ◽  
. Eliyin ◽  
. Mulyono ◽  
. Basyirah ◽  
. Amiruddin

Potatoes (Solanum tuberesum, L) are one of the main foods for the needs of the world community. Therefore, increasing potato crop production is considered important. For this purpose, the utilization of a mixture of rice husk biochar with compost can provide the best results up to three times the planting season. Coffee skin can also be found in form of compost for the utilization process. However, due to the lack of farmer’s knowledge about the benefits that can be provided by skin compost to maintain the level of soil fertility. This study aims to analys the effect of biochar and coffee skin compost on the growth and yield of potato crops. Plant height, number of shoots, number of tubers per clump, and per plot tuber weight was a parameter of observation. This experiment used a factorial randomized planting block design using several doses of biochar and coffee skin compost.  The treatment of biochar dosage did not significantly affect all parameters observed. The treatment of the effect of doses of coffee skin compost had a very significant effect on plant height at all ages of observation. The average plant height increases with the higher doses of red coffee skin compost given has a very significant effect on the number of tubers per clump and the weight of per plot tubers. There was no real interaction between the biochar dose and the red coffee skin compost dosage against all observed parameters.

AGRICA ◽  
2020 ◽  
Vol 13 (1) ◽  
pp. 57-67
Author(s):  
Murdaningsih Murdaningsih

Research on Application of Liquid Organic Fertilizer from Market Waste in Chinese Mustard Plants (Brasica juncea L.). The production of mustard greens in Ende Regency is still low compared to the production of mustard greens. This condition is caused by fertilization that has not been optimal. Efforts to increase mustard production through the application of technology, especially the use of fertilizers, including using liquid organic fertilizer Market waste that can provide nutrients for plants.This study aims to determine the application dose of liquid organic fertilizer from market waste and the response of growth and yield of mustard plants. The study was conducted in the experimental garden of the Faculty of Agriculture, University of Flores in Ende, using a Randomized Block Design consisting of five treatments using Liquid organic fertilizer (POC) from Market Waste namely L0 (without POC), L1 (10 liters of POC), L2 (20 liters POC), L3 (30 liters of POC), L4 (40 liters of POC), repeated four times. The results showed that the application of POC from market waste significantly affected plant height, number of leaves, fresh weight of mustard greens, fresh weight of mustard ha-1 and dose of 40 liters ha-1 showed the best growth, which was an average plant height of 24.68 cm, number of leaves 9.25 strands, fresh weight of mustard 147.40 g and production of mustard 23.58 tons ha-1


2019 ◽  
Vol 24 (1) ◽  
pp. 1
Author(s):  
Husnain Husnain ◽  
Diah Setyorini ◽  
Asmarhansyah Asmarhansyah ◽  
Andriati Andriati

Fertilizers and fertilization technology have important roles in increasing crop production including lowland rice. In response to the issue, a field experiment was conducted to study the effects of micronutrients on growth and yield of lowland rice. The experiment was carried out at Cihideung Ilir Village, Dermaga Sub-district, Bogor Regency from November 2015 until March 2016. The experiment consisted of 8 treatments, namely control (without fertilization), NPK-standard, NPK-standard  + ¼ dosage of Hortigro Rice fertilizer, and ¾ NPK  + ¼  until 11/4 dosages of Hortigro Rice fertilizer as a source of macronutrients N, P, K and micronutrients of Mn, Cu, Zn, B, and Mo. The treatments were arranged in a Randomized Block Design with 3 replications. Parameters observed during the research were plant height, tiller number, and yield of grain and straw of INPARI-32 lowland rice as crop indicator. The  results  showed that among other treatments, the highest plant height was resulted from the application of ¾ NPK-standard + ¼ Hortigro Rice, i.e. around 124 cm at 60 days after planting. The highest harvesting dry weight of grain and straw were observed in NPK-standard + 1/4 of Hortigro Rice fertilizer treatment, i.e. around 9.0 Mg ha-1 and 25.9 Mg ha-1, respectively. This yield showed a significant difference with ¾ NPK-standard combined with ¾  -11/4 dosages of Hortigro Rice. The highest  dry weight of  milled grains was  resulted in the application of  ¾ NPK-standard + 1/2 Hortigro Rice, i.e. around 7.3 Mg ha-1, which is significantly different from that in ¾ NPK-standard combined with 1.0 - 11/4 dosages of Hortigro Rice treatments, while the highest dry weight of straw was provided by NPK-standard, i.e. around 14.0 Mg ha-1. The highest  dry weight of 1000 milled grains and ratio of  dry weight of milled grain to straw were provided by ¾ NPK-standard + 1/2 Hortigro Rice around 32.0 gram and  0.63, respectively. The results indicated that the application of micronutrient fertilizer of Hortigro Rice in combination with NPK fertilizers can potentially increase lowland rice productivity due to the micronutrients content of Mn, Cu, Zn, B, and Mo in it.


EUGENIA ◽  
2012 ◽  
Vol 21 (3) ◽  
Author(s):  
Frangki Sambeka ◽  
Semuel D. Runtunuwu ◽  
Johannes E.X. Rogi

ABSTRACT   The study aimed to examine the influence of time of application and concentration of paclobutrazol on growth and yield of potato crop Supejohn held in District Modoinding South Minahasa regency, from March to June 2012, using a randomized block design with two factors. The first factor is the concentration of Paclobutrazol with four standards are: 0 ppm, 75 ppm, 100 ppm, 125 ppm and the second factor is the provision of a three-level applications MST 4, 5 and 6 MST MST (Week After Planting). Based on research, the results of analysis of variance showed an interaction between application timing and concentration of paclobutrazol. Combination treatment with 125 ppm paclobutrazol 6 WAP application time can give significant effect on plant height, number of chlorophyll content, percentage weight class tuber yield components in the form of increased crop production amounted to 45.04 kg / plot (24 plants) / range 52. ton / ha by pressing the vegetative growth of plants. Key words : Supejohn, time application, concentration, paclobutrazol


2020 ◽  
Vol 12 (2) ◽  
pp. 69-77
Author(s):  
Halim Halim ◽  
Makmur J. Arma ◽  
Fransiscus S. Rembon ◽  
Resman Resman

This study aims to determine the effect of local arbuscular mycorrhizal fungi (AMF) on weed density, growth and yield of sweet corn in marginal soils. This study used a randomized block design with local AMF propagules which consisted of 4 levels: 0 g/planting hole or control (A0), 15 g/planting hole (A1), 30 g/planting hole (A2) and 45 g/planting hole (A3). The research parameters observed were: weed density, plant height, stem diameter, crop yield, and the percentage of AMF infection in the roots of corn plants. The results showed that the highest weed dominance value at the age of 14 DAP was Cyperus rotundus as 36.8% in treatment of AMF 45 g/planting hole (A3), age 56 DAP the highest weed dominance value was Hyptis capitata as 47.1% in the treatment of AMF 30 g/planting hole. The best plant height and stem diameter were found in the treatment of AMF 45 g/planting holes (A3) at 56 DAP, the average plant height reached 234.05 cm and the average stem diameter reached 3.72 cm. Increased production of corn plants that were given local AMF ranged from 2.70 to 3.10 tons ha-1 or an average increase in overall corn crop production of 2.86 tons ha-1. The average percentage of mycorrhiza fungi infections in the highest roots of corn plants in the treatment of AMF 45 g/planting hole (A3) as 94%.   Key words: Arbuscular mycorrhiza fungi; vesicles; hypha; maize; ultisols


Author(s):  
I. K. Keter ◽  
G. Oloo- Abucheli ◽  
M. Muraya

Tomato (Solanum lycopersicon) is an important crop cultivated and consumed worldwide. It provides wide variety of nutrients with many health-related benefits like, protection against cancer, maintains blood pressure and reduces blood glucose level in people with diabetes. Despite the importance of tomato, its growth and yield is limited by choice of cultural practices mainly earthing up and pruning system. There is also limited knowledge on the effect of integrating pruning and earthing up on tomato growth and yield. This study investigated the effect of integration of pruning and earthing up on the growth and yield of tomato. A split-plot experimental design, arranged in a Randomized Complete Block Design, with three replications was used. The study investigated two factors i.e. pruning system in the main plot (single stem, double stem, and triple stem) and earthing up in sub-plots. (0 cm, 10 cm, 20 cm, and 30 cm. The findings of the study revealed that earthing up and pruning system had a significant (p ˂ .05) effect on plant height and stem girth diameter at 45, 52, and 59 days after transplanting. The single stem pruning system and earthing up to 30 cm gave the tallest plant height with an average plant height of 69.80 cm in cultivation 1 and 71.50 cm in cultivation 2. Single stem pruning system and earthing up to 30 cm gave the largest stem girth diameter with mean stem girth diameter of 2.16 cm in cultivation 1 and 2.25 cm in cultivation 2. Triple stem pruning system, earthing up to 30 cm recorded the highest number of marketable fruits with 64500 fruits/hectare in cultivation 1 and 64333 fruits/hectare in cultivation 2. To improve tomato growth and development which consequently improves marketable yields, farmers are encouraged to consider triple stem pruning system with earthing up to level 30 cm.


2011 ◽  
Vol 21 (4) ◽  
pp. 315
Author(s):  
Sri Hadiati ◽  
Sri Yuliati ◽  
Jumjumidang

Kandungan Ca-oksalat yang tinggi pada buah nenas kurang baik bagi kesehatan, sedangkan tanaman nenas yang daunnya tidak berduri memudahkan petani dalam pemeliharaannya. Penelitian bertujuan untuk mengevaluasi pertumbuhan dan hasil beberapa kandidat varietas nenas rendah oksalat dan nenas manis tanpa duri. Penelitian dilakukan mulai bulan Juni 2009 sampai dengan Desember 2010 di Kebun Percobaan Subang. Rancangan percobaan yang digunakan ialah acak kelompok dengan lima perlakuan yaitu dua kandidat varietas nenas rendah oksalat (Q dan EE), satu kandidat varietas nenas manis tanpa duri (P), dan dua varietas pembanding (Simadu dan Ponggok) dengan empat ulangan. Setiap unit percobaan terdiri atas 52 tanaman dan jumlah sampel yang diamati ialah 10 tanaman yang diambil secara acak. Tanaman nenas ditanam dengan sistem dua baris, jarak antarbaris 90 cm dan jarak tanam dalam baris (50 x 50) cm. Hasil penelitian menunjukkan bahwa pada akhir pertumbuhan vegetatif (umur 11 bulan setelah tanam) rerata tinggi tanaman pada aksesi yang diuji  berbeda nyata, sedangkan varietas Ponggok mempunyai tinggi tanaman tertinggi (88,94 cm), jumlah daun antaraksesi tidak berbeda nyata, yaitu berkisar 41-51 helai. Persentase tanaman berbuah terbanyak ialah varietas Ponggok (94,86%),  sebaliknya  varietas Simadu  paling sedikit (5,6%). Aksesi P, Q, dan EE mempunyai kualitas buah yang kurang baik dibandingkan varietas pembanding  Simadu, tetapi aksesi EE mempunyai kualitas buah (bobot buah 910,00 g, vitamin C 24,53 mg/100 g, dan kadar oksalat 486,85 ppm) yang lebih baik dibandingkan dengan varietas pembanding Ponggok. Aksesi EE berpeluang untuk dijadikan varietas unggul baru.<br /><br /><br /><br />The high Ca-oxalate content in pineapple fruit is not good for health. Meanwhile pineapple plants with spineless leaves make farmers easy in their maintainance. The aim of this research was to evaluate growth and yield of several pineapple candidates  with low oxalate, sweet taste, and spineless leaves.  The research was conducted from June 2009 to December 2010 at Subang Research Station. A randomized block design with five treatments (two candidates of pineapple varieties with low oxalate content (Q and EE), one candidate of pineapple variety with spineless leaves (P), and two popular varieties as comparison (Simadu and Ponggok) with four replications was used in this study.  Each unit experiment consisted of 52 plants and 10 plants of sampled randomly were observed. Pineapple plants were planted in two rows with plant distance 50x50 cm. The results showed that at the end of vegetative growth (11 months after planting) the average plant height of accessions tested were significantly different, Ponggok variety had the highest of plant height (88.94 cm) but the number of leaves ranging from 41-51was not significantly different. Ponggok variety had the highest percentage of fruiting plants (94.86%), and conversely Simadu variety was the least one (5.6%). Accessions of P, Q, and EE produced lower fruit quality than Simadu, but accession of EE had better fruit quality in fruit weight 910.00 g, vitamin C 24.53 mg/100 g, and oxalate content 486.25 ppm than Ponggok variety. The EE was a promising accession that can be realeased as a new superior variety.<br /><br />


2020 ◽  
Vol 3 (2) ◽  
pp. 39-44
Author(s):  
Amin Nur Rohman ◽  
M. Faiz Barchia ◽  
Bambang Gonggo Murcitro

Research on the effect of doses of cattle biourine on plant N levels and growth of cabbage (Brassica oleraceae, L) in lowland Ultisol was carried out by Desa Bakti in Marga Sakti Sebelat District, North Bengkulu Regency in October 2019 to January 2020. This study aimed to determine the dosage of cattle biourine optimal for N levels and cabbage growth in lowland ultisols. This study used a Randomized Complete Block Design (RCBD) of one factor consisting of 4 treatments and 4 replications, with the treatment dose 0 L ha-1, 1500 L ha-1, 3000 L ha-1, and 4500 L ha-1. Observation data were analyzed by Analysis of variance (ANOVA) at ? level of 5% with the Orthogonal Polynomial Test. The results of the study showed that the optimum dosage was not obtained on the variable N levels of plants and soil pH, but had a very significant effect on both of these variables. The optimum dosage obtained on the variable growth and yield of plants includes the optimum dose of 2250 L ha-1 biourine producing an average plant height of 36.14 cm age 45 dap, the optimum dose of 2200 L ha-1 of biourine produces an average plant height of 37.87 cm age 60 dap, optimum dose of biourine 1250 L ha-1 produces an average biomass fresh weigh 1.33 kg, the optimum dose of biourine 1666.67 L ha-1 produces an average head weight of 0.83 kg, and optimum dose of biourine 2000 L ha-1 produces average head diameter of 15.36 cm.   


Irriga ◽  
2018 ◽  
Vol 21 (3) ◽  
pp. 466 ◽  
Author(s):  
José Alves Júnior ◽  
Luis Henrique Antunes Barbosa ◽  
Derblai Casaroli ◽  
Adão Wagner Pego Evangelista ◽  
Fernando Rezende Costa

CRESCIMENTO DE MOGNO AFRICANO SUBMETIDO A DIFERENTES NÍVEIS DE IRRIGAÇÃO POR MICROASPERSÃO  JOSÉ ALVES JÚNIOR1; LUIS HENRIQUE ANTUNES BARBOSA2; DERBLAI CASAROLI1; ADÃO WAGNER PEGO EVANGELISTA1 E FERNANDO REZENDE COSTA2 1 Eng. Agr. Professor Adjunto da Escola de Agronomia (EA) da Universidade Federal de Goiás (UFG), Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goiás, Brasil, CEP: 74.690-900.  [email protected], [email protected], [email protected] Eng. Agr. e Pós-graduando em Agronomia (solo e água) na EA – UFG, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goiás, Brasil, CEP: 74.690-900. [email protected], [email protected]  1 RESUMO  O mogno africano vem se destacando no Brasil em plantios comercias, entretanto, ainda são escassas informações referentes às respostas desta planta ao ambiente, sobretudo, em termos de capacidade evapotranspirativa e necessidade hídrica. Assim, como um dos entraves para a produção vegetal é o déficit hídrico, uma alternativa seria irrigação no início do ciclo. O objetivo deste estudo foi avaliar o crescimento de plantas jovens de mogno irrigadas por microaspersão. O estudo foi realizado em Bonfinópolis-GO, nos dois primeiros anos em campo. As plantas foram implantadas com espaçamento 5x5m, em Latossolo Vermelho distroférrico, utilizando 1 emissor à cada 2 plantas. Utilizou-se o delineamento em blocos ao acaso, contendo nove tratamentos (vazões: 0, 20, 30, 35, 40, 50, 58, 70 e 90 Lh-1), com três repetições. Avaliaram-se o diâmetro de caule, o diâmetro à altura do peito (DAP), alturas de planta e de fuste. Observaram-se diferenças significativas (p>0,01) entre os tratamentos, ajustando-se equações lineares para todas variáveis. A altura média das plantas aos 2 meses de idade era 0,28m e aos 20 meses variou 2,75m sem irrigação a 3,72m irrigado. Inicialmente o fuste era de 0,25m e ao final variou de 0,53m sem irrigação a 0,94m irrigado. Diâmetros de caule, dos 2 aos 16 meses de idade, variaram de 0,79 a 5,9cm sem irrigação e a 6,5cm irrigado. E dos 16 aos 20 meses o DAP variou de 2,6 a 3,7cm sem irrigação e 4,6 a 5,8cm irrigando. As maiores médias para todas as variáveis analisadas foram obtidas com a aplicação de 90Lh-1. Palavras-chave: Khaya ivorensis; déficit hídrico; madeira nobre; irrigação localizada; manejo da água.  ALVES JÚNIOR. J.; BARBOSA, L. H. A; CASAROLI, D.1; EVANGELISTA,  A. W. P. COSTA, F. R.GROWTH OF MAHOGANY AFRICAN YOUNG TREES SUBMITED TO DIFFERENT MICROSPRINKLER IRRIGATION LEVELS  2 ABSTRACT African mahogany is a tree species that has been increasing in Brazil in commercial forest. However, there is still scarce information about the responses of  this species to environment, especially in evapotranspiration and water requirement. Thus, as one of the barriers for crop production is water deficit, an alternative would be the irrigation in the beginning of the cycle in field. The objective of this study was to evaluate the growth of mahogany young trees irrigated by microsprinkler. The study was conducted in Bonfinópolis-GO, Brazil, the first two years in the field. The plants were implanted with 5x5m spacing in Oxisol using 1 emitter to each 2 plants. The design was used in a randomized block design, with nine treatments (flow rates: 0, 20, 30, 35, 40, 50, 58, 70 and 90Lh-1), with three replications. We evaluated the stem diameter, the diameter at breast height (DAP), plant height and stem. There were significant differences (p> 0.01) between treatments, adjusting linear equations for all variables. The average plant height at 2 months of age was 0.28m and at 20 months ranged from 2.75m without irrigation to 3.72m irrigated. Initially the stem was 0.25 m and by the end it ranged from 0.53m without irrigation to 0.94m irrigated. Stem diameters, from 2 to 16 months old, ranged from 0.79 to 5.9 cm without irrigation and 6.5cm irrigated. And from 16 to 20 months DAP ranged from 2.6 to 3.7cm without irrigation and 4.6 to 5.8 cm irrigated. The best tree growth was obtained by applying 90Lh-1. Keywords: Khaya ivorensis; drougth; hardwoods; trickle irrigation; water management


2018 ◽  
Vol 9 (2) ◽  
pp. 153-163
Author(s):  
Wiwik Ambarsari ◽  
Henly Yuliana

The study aimed to determine the effect of the combination of city waste compost and cattle manure on the growth and yield of pakcoy plants (Brassica rapa, L. Chinensis) in Aluvial, Indramayu Regency. The study was conducted at the Experimental Garden of the Faculty of Agriculture, Wiralodra University, Indramayu Regency from March to August 2018. This study used Factorial Pattern Randomized Block Design with two factors. The first factor is city waste compost and the second factor is cattle manure with 4 levels: 0%, 3.0%, 6.0%, and 9.0%, repeated twice. The results showed that there was an independent influence between city waste compost and cattle manure on plant height and number of leaves. The best combination to increase the feasibility weight of pakcoy consumption is by giving city waste compost 9.0% (S4) and cattle manure 6.0% (K3).


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

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


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