scholarly journals Campuran Herbisida Glifosat dan Pupuk Urea Pada Beberapa Taraf Dosis Pada Untuk Mengendalikan Gulma Alang-alang (Imperata cylindrica L.)

Jurnal Agrium ◽  
2017 ◽  
Vol 14 (1) ◽  
pp. 17
Author(s):  
Eva Rianti ◽  
Bhaidawi Bhaidawi ◽  
Abdullah Abdullah

Imperata weeds are very difficult to control. It is because the weeds have ability to regenerate rapidly through the stolon and seed. Weed control in principle is an effort to increase the competitiveness of basic crops and weaken the competitiveness of weeds. The use of glyphosate herbicide can be mixed with other ingredients; one of them is urea fertilizer. This study aims to reveal whether the mixture of glyphosate herbicide and urea fertilizer at several doses can suppress weed growth. This study used Randomized Block Design factorial pattern, with two factors: (1) dose factor of glyphosate (G); G0 (control), G1 (glyphosate 100 ml liter), and G2 (200 ml liters of glyphosate). (2) urea fertilizer (P); P0 (control), P1 (urea 400 gram), and P2 (urea 600 gram). The results showed that the mixture of glyphosate herbicide and urea fertilizer can suppress the growth and development of imperata weeds. The best treatment was found in a mixture of 200 ml of glyphosate herbicide and urea fertilizer at a dose of 600 grams, while the lowest treatment was found in the control

2021 ◽  
Vol 4 (6) ◽  
pp. 30-37
Author(s):  
Lucimere Maria da Silva Xavier ◽  
◽  
Aíla Rosa Ferreira Batista ◽  
Ricardo Sousa Silva ◽  
Micaela Silva Coelho ◽  
...  

The yellow passion fruit (Passiflora edulis f. flavicarpa Degener) crops have been gaining notoriety in Brazil, whose cultivation extends to almost all regions. The aim of this study was to evaluate the growth of yellow passion fruit seedlings in response to the interaction between substrate composition and irrigation water salinity levels. The experimental trial was installed in a randomized block design, with a factorial scheme (3x6) consisting of two factors: three levels of salinity and six types of substrates, distributed in four replications, each plot consisting of a polyethylene bag composed of two plants. The factor levels of salinity, electrical conductivity: 0.3, 1.2 and 2.1 dSm-1 did not influence the physiological growth and development of the seedlings, the substrates resulted in statistically significant effects, the cattle manure presented the highest percentage in levels of physiological growth and development of the plant.


2016 ◽  
Vol 10 (1) ◽  
pp. 20-36 ◽  
Author(s):  
Eka Febriana Sari ◽  
Palupi Puspitorini ◽  
Tri Kurniastuti

The research aims to determine of the effect application legin and urea fertilizer to growth and result of soybean (Glycine max (L.) Merr.). The research held in June until August 2016 in the Menjangan Kalung, Slorok village, Garum, Blitar. This research used method was Split Split Plot Randomized Block Design factorial pattern of two factors and three replications. This first factor was dose legin (L) consisted three level namely : dose 3 g kgˉ¹ (L1), dose 5 g kgˉ¹ (L2), and 7 g kgˉ¹(L3). The second factor was dose urea fertilizer (U) consisted four level namely : Without urea fertilizer (U0), 10 kg haˉ¹(U1), 20 kg haˉ¹(U2), and 30 kg haˉ¹(U3). Observation parameters is plant height, number of leaves, the number of nodules, number of pods, number of empaty pods, number of pods, and dry weight of 100 seed. Data were analyzed with used analysis of variance , if take effect fellowed with LSD. Research result to show that: 1)The best interaction is teratment combination L2U2 that don ’t real different with treatment L2U3, L2U1 and L2U0. 2) Application doselegin 5 g kgˉ¹ in alone is the best treatment that result highest averagely with percentage 25.48% appealed with application dose legin 3 g kgˉ¹ and 7 g kgˉ¹. 3) Application doselegin 5 g kgˉ¹ in alone is the best treatment that result highest averagely with percentage 6.58% appealed with application dose fertilizer urea 0 kg haˉ¹, 10 kg haˉ¹ and 30 kg haˉ¹.


2016 ◽  
Vol 10 (1) ◽  
pp. 20-36
Author(s):  
Eka Febriana Sari ◽  
Palupi Puspitorini ◽  
Tri Kurniastuti

The research aims to determine of the effect application legin and urea fertilizer to growth and result of soybean (Glycine max (L.) Merr.). The research held in June until August 2016 in the Menjangan Kalung, Slorok village, Garum, Blitar. This research used method was Split Split Plot Randomized Block Design factorial pattern of two factors and three replications. This first factor was dose legin (L) consisted three level namely : dose 3 g kgˉ¹ (L1), dose 5 g kgˉ¹ (L2), and 7 g kgˉ¹(L3). The second factor was dose urea fertilizer (U) consisted four level namely : Without urea fertilizer (U0), 10 kg haˉ¹(U1), 20 kg haˉ¹(U2), and 30 kg haˉ¹(U3). Observation parameters is plant height, number of leaves, the number of nodules, number of pods, number of empaty pods, number of pods, and dry weight of 100 seed. Data were analyzed with used analysis of variance , if take effect fellowed with LSD. Research result to show that: 1)The best interaction is teratment combination L2U2 that don’t real different with treatment L2U3, L2U1 and L2U0. 2) Application doselegin 5 g kgˉ¹ in alone is the best treatment that result highest averagely with percentage 25.48% appealed with application dose legin 3 g kgˉ¹ and 7 g kgˉ¹. 3) Application doselegin 5 g kgˉ¹ in alone is the best treatment that result highest averagely with percentage 6.58% appealed with application dose fertilizer urea 0 kg haˉ¹, 10 kg haˉ¹ and 30 kg haˉ¹.


2019 ◽  
Vol 10 (2) ◽  
pp. 61
Author(s):  
Nico Syahputra Sebayang ◽  
Desi Sri Pasca Sari Sembiring

Residents of agrarian areas are residents who depend their livelihood to agricultural products, but the production of community plantations is often not as desired. Our research aims to know  influence the physiological response of weeds to glyphosate herbicide and paraquat herbicide. This experiment was conducted at the UGL Kutacane Faculty of Agriculture experimental garden, Babussalam Subdistrict, Southeast Aceh Regency, which ran from January to February 2018. This study used a non-factorial Randomized Block Design (RBD) consisting of 4 treatment levels: H1: Glyphosate Herbicide = 300 ml/4 L water; H2: Glyphosate herbicide = 1000 ml/13 L water; H3: Herbicide Paraquat = 300 ml/4 L water; H4: Herbicide Paraquat = 1000 ml/13 L of water. The results of Glyphosate Herbicide 1000 ml / 13 L of water effectively control total weeds up to 14 HSA. Glyphosate herbicide is able to inhibit the 5-enolpiruvil-shikimat-3-phosphate synthase (EPSPS) enzyme which plays a role in the formation of aromatic amino acids. The author concludes that the recommended dose of glyphosate based on the research is 1000 ml/13 L of water, because the dose is herbicide Glyphosate has been able to suppress total weed growth.


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).


2014 ◽  
Vol 32 (1) ◽  
pp. 51-59 ◽  
Author(s):  
L.B. Tavella ◽  
P.S.L. Silva ◽  
V.R. Oliveira ◽  
P.L.O. Fernandes ◽  
R.P. Sousa

The objectives of this study were to evaluate baby corn yield, green corn yield, and grain yield in corn cultivar BM 3061, with weed control achieved via a combination of hoeing and intercropping with gliricidia, and determine how sample size influences weed growth evaluation accuracy. A randomized block design with ten replicates was used. The cultivar was submitted to the following treatments: A = hoeings at 20 and 40 days after corn sowing (DACS), B = hoeing at 20 DACS + gliricidia sowing after hoeing, C = gliricidia sowing together with corn sowing + hoeing at 40 DACS, D = gliricidia sowing together with corn sowing, and E = no hoeing. Gliricidia was sown at a density of 30 viable seeds m-2. After harvesting the mature ears, the area of each plot was divided into eight sampling units measuring 1.2 m² each to evaluate weed growth (above-ground dry biomass). Treatment A provided the highest baby corn, green corn, and grain yields. Treatment B did not differ from treatment A with respect to the yield values for the three products, and was equivalent to treatment C for green corn yield, but was superior to C with regard to baby corn weight and grain yield. Treatments D and E provided similar yields and were inferior to the other treatments. Therefore, treatment B is a promising one. The relation between coefficient of experimental variation (CV) and sample size (S) to evaluate growth of the above-ground part of the weeds was given by the equation CV = 37.57 S-0.15, i.e., CV decreased as S increased. The optimal sample size indicated by this equation was 4.3 m².


2012 ◽  
Vol 40 (1) ◽  
pp. 212 ◽  
Author(s):  
Ines HAN DOVEDAN ◽  
Sanja MORIC ◽  
Zoran SINDRAK ◽  
Ivana CEROVSKI ◽  
Ivan MUSTAC ◽  
...  

Iris adriatica is indigenous to Mediterranean part of Croatia. It is an attractive plant and has opportunities for introduction into horticulture and the ornamental plant market. Research was conducted in the experimental garden of the Faculty of Agriculture, University of Zagreb, to assess the possibility of growing this species as a pot plant. Research included 360 potted plants placed as randomized block design experiment. The goal of this research was to determine influence of chosen substrates and fertilizers, as well as to explore growth and development dynamic of the species cultivated outdoors from June till August 2010. The following characteristics were measured: plants height, number of leaves, and number of rosettes. Biometric analysis showed that the development of Iris adriatica was significantly influenced only by substrate, while fertilization and interaction of substrate and fertilization showed no significant impact on examined plants characteristics.


2021 ◽  
pp. 55-66
Author(s):  
Mulyati Mulyati ◽  
Baharuddin AB ◽  
R Sri Tejo Wulan

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


Author(s):  
Totong Siwanto ◽  
Sugiyanta , ◽  
Maya Melati

ABSTRACT<br />Application of organic fertilizer into the soil is designated as a source of macro, micro nutrients and organic acids; it also acts as soil ameliorant that improve physical, chemical and biological properties of soil. Application of high rates organic fertilizer has a constraint namely the availability and ease of application. Therefore, it is necessary to learn the use of organic fertilizer with low rates to improve the efficiency of chemical fertilizers. This research was aimed to study the effect of organic and inorganic fertilizers on growth and yield of paddy rice, as well as the efficiency of N, P, K inorganic fertilizer. Field experiment was conducted at Sawah Baru Research Station, University Farm IPB, Bogor, West Java from September to December 2013. The experiment used Randomized Block Design consisted of two factors: rates of organic fertilizer (0, 250, 500, 750, and 1,000 kg ha-1), and rates of inorganic fertilizer (0, 100, 200, 300, and 400 kg ha-1). The results suggested that the application of 1,000 kg organic fertilizer ha-1 + 400 kg inorganic fertilizer ha-1 did not show significant interaction. Application of organic fertilizer alone up to 1,000 kg ha-1 resulted in low growth and yield. Increasing rates of  application up to 400 kg inorganic fertilizer ha-1 increased the growth and yield of paddy rice. The highest N efficiency was 89.19% at a rate of 500 kg organic fertilizer ha-1 + 200 kg inorganic fertilizer ha-1, whereas the highest efficiency of P and K, respectively were 69.55% and 92.52% at a rate of 750 kg organic fertilizer ha-1 + 300 kg inorganic fertilizer ha-1.<br />Keywords: NPK, organic fertilizer, paddy rice


2021 ◽  
Vol 4 (2) ◽  
pp. 122-129
Author(s):  
Enda Sabda Gentri Sembiring ◽  
Julaili Irni ◽  
Rama Riana Sitinjak ◽  
Bayu Pratomo

Introduction: This study aims to determine the growth response of Mucuna bracteata cuttings to the concentration and duration of soaking shallot extract. Materials and Methods: This study used a factorial Randomized Block Design (RBD) with two factors, namely: shallot extract concentration (P) consists of 4 levels, include P0= untreated, P1= 10 ml, P2= 20 ml, P3= 30 ml, meanwhile the soaking time (Q) consists of 4 levels, such as Q0= momentarily dipping, Q1= 15 minutes, Q2= 30 minutes, Q3= 45 minutes. The data was processed by ANOVA and if significant, then further tested with Duncan Multiple Range Test (DMRT) at the rate of 5%. Results: The concentration of shallot extract, soaking time and their interaction had a very significant effect on the survival percentage of Mucuna bracteata D.C. cuttings. The highest survival percentage of cuttings of Mucuna bracteata on the effect of shallot extract concentration and soaking time was obtained in the P0Q0, P0Q1, and P3Q2 treatments after the lid was opened at 4 weeks after planting. In the number of leaves also had significant effect in the interaction of two factors


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