scholarly journals REPONSE A LA FERTILISATION ORGANIQUE ET MINERALE DE DEUX VARIETES DE GOMBO (ABELMOSCHUS ESCULENTUS (L) MOENCH, MALVACEA) A DALOA, COTE DIVOIRE

2021 ◽  
Vol 9 (06) ◽  
pp. 51-60
Author(s):  
Kouame NGuessan ◽  
◽  
Beugre Manehonon Martine ◽  
Kouassi NDri Jacob ◽  
Yatty Kouadio Justin ◽  
...  

This study aims to assess the effect of variety and organic and mineral fertilization on the agronomic parameters of okra. The experimental set-up used was a completely randomized en bloc device. The treatments used are : T0 (controls without amendment), T1 (10 t / ha of chicken manure), T2 (10 t / ha of sawdust, T3 (2.5 t / ha of NPK 15-15 fertilizer) -13). The two varieties compared are the improved variety called Clemson spineless and the local variety Koto or Soudais or gombo Baoule. The results obtained showed significant differences between the two varieties as well as differences between the fertilizers used at (p> 0.05). Organic fertilizer made from chicken manure yielded the best results followed by mineral fertilizer and finally sawdust.

Agriculture ◽  
2020 ◽  
Vol 10 (4) ◽  
pp. 121
Author(s):  
Angela Koort ◽  
Marge Starast ◽  
Priit Põldma ◽  
Ulvi Moor ◽  
Leila Mainla ◽  
...  

Revegetating abandoned peatlands plays an important role in reducing the CO2 footprint. One possibility for carbon reduction is cultivating blueberries as calcifuge plants in acidic peat soil. The aim of the experiment was to find out the effect of different fertilizers on half-highbush blueberry cultivar ‘Northblue’ growth and biochemical parameters in peatland conditions. The experiment was carried out in 2011–2015 with four organic and one mineral fertilizer, where three were composted chicken manure- and one maltose-based organic fertilizer. The soil of the experimental area belongs to the soil subgroup Fibri–Dystric Histosol with the peat layer 1.0–1.5 m deep. Organic fertilizer 4–1–2, which contained seaweed but had low phosphorus and potassium content, resulted in high yields in 2011 and 2013, with similar vegetative growth and comparable biochemical parameters as mineral fertilizer 6–14–23. The principal component analysis showed that the experimental year was more important in determining fruit parameters than the fertilizer type. However, our results indicated that the organic fertilizers are alternatives to mineral fertilizer for organic production.


2018 ◽  
Vol 29 (2) ◽  
pp. 389
Author(s):  
Elein Terry Alfonso ◽  
Josefa Ruiz Padrón ◽  
Yudines Carillo Soso

The conversion of high-input agriculture to an agro-ecological approach bring harmony to the environment reducing degraded Agroecosystems. The objective of this study was to evaluate the effect of different nutritional management on yield and internal and external quality of tomato fruits as an alternative to the reduction of mineral fertilizers. The research was carried out at the National Institute of Agricultural Sciences (INCA) in Cuba, from September 15 to November 30, 2016. A randomized block design with four replications was used to study four treatments: Absolute control (without mineral fertilizer and bioproducts), Partial ecological nutrition (50 % of mineral fertilizer + bioproducts: mycorrhiza and biostimulant), Organic nutrition (organic fertilizer + bioproducts: mycorrhiza and biostimulant), and Conventional nutrition (NPK mineral fertilizer only). Evaluations regarding agricultural yield and its components, bromatological quality of fruits (Brix, acidity, vitamin C content, and nitrates) and postharvest indices (fruit firmness and diameter of endocarp and mesocarp) were performed. Agricultural yield (25.31 t/ha) and the internal quality of fruits (5.23 °Brix; 11.75 SST; 73.29 nitrates; 18.54 vitamin C, and 4.45 dry matter) applying the treatment where 50% of mineral fertilization was dispensed and complemented by bioproducts did not show significant differences with NPK treatment. Regarding the organic variant, the result in agricultural yield was lower (19.42 t/ha), in comparison with control and the ecological variant. Therefore, it is suggested further evaluation of the effect of the reduction of mineral fertilization on tomato crop and its combination with bioproducts.


2011 ◽  
Vol 49 (No. 5) ◽  
pp. 218-222 ◽  
Author(s):  
M. Ćustić ◽  
M. Poljak ◽  
L. Čoga ◽  
T. Ćosić ◽  
N. Toth ◽  
...  

The influence of different fertilizer forms and rates on nitrogen, phosphorus and potassium contents, nitrate accumulation and yield in red head chicory (Cichorium intybus var. foliosum L.) was investigated. Field fertilization trials were set up at two localities inNorthwest Croatia in 1999 and 2000. Trials were laid out according to the Latin square scheme in five fertilization treatments: manure 5 kg/m2, three rates of complex mineral fertilizer NPK (5:20:30) – 50, 100 and 150 g/m2, and an unfertilized control variant. The results of investigations indicate that there were no significant differences between treatments in the plant nitrogen and phosphorus contents. Significant fluctuations of the chicory potassium content (3.27–4.75% K) depending on the fertilization variant were recorded only in 1999 while in 2000 all values (4.13–5.12% K) were uniform. Plant nitrate levels were influenced by weather conditions more significantly than by the form and rates of fertilizers. All the recorded values are within the limits tolerated for leafy vegetables. Comparing the trial years, yields were generally higher in 1999 (1.58–4.95 kg/m2) than in 2000 (0.40–2.70 kg/m2). No significant differences in yield were recorded between the application of stable manure and the lowest mineral fertilizer rate.


2020 ◽  
Vol 18 (1) ◽  
pp. 1-9
Author(s):  
Daniel Augusto Barreta ◽  
Suélen Serafini ◽  
Luís Carlos Iuñes Oliveira Filho ◽  
Antonio Waldimir Leopoldino da Silva ◽  
Alexandre Tadeu Paulino ◽  
...  

The aim of this work was to evaluate the effects of increasing doses of mineral and organic fertilizers on the root chemotaxis of Avena strigosa and avoidance of Folsomia candida. Five soil samples were used for the mineral fertilization with NPK and other five soil samples were used for the organic fertilization with poultry litter-based organic fertilizer. The experiment included control soils (without applications) and soils containing 4-, 8-, 16- and 32-ton fertilizer per ha. A. strigosa was planted and cultivated in the soils for 14, 21, 28 and 35 days and avoidance behavior of F. candida. The root amounts in the soils containing mineral fertilizer were higher than those of the soils containing poultry litter-based organic fertilizer. The avoidance behavior of F. candida from the soils containing poultry litter-based organic fertilizer increased from 8- to 32-ton ha-1. Applications of high poultry litter-based organic fertilizer doses in soil increase the toxic effects for A. strigosa and F. candida.


2021 ◽  
Vol 8 (01) ◽  
pp. 16-21
Author(s):  
R.A. Diana Widyastuti ◽  
Kus Hendarto ◽  
Ali Rahmat ◽  
Hayane Adeline Warganegara ◽  
Indah Listiana ◽  
...  

Shallot is one of important horticultural crops in Indonesia; shallot consumption per capita is estimated to be 4.6 kg per year. The objective of this study was to evaluate the effect of combining biofertilizer and organic fertilizer on the production of shallot in Sukabanjar village, Pesawaran, Lampung, Indonesia. The study was set up using a randomized completely block design with two factors, biofertilizers and various organic fertilizers, i.e. cow manure, chicken manure, rice straw compost, oyster mushroom baglog.  Our study demonstrated that combining biofertilizer and organic fertilizer significantly increased the number, diameter, and fresh and dry weight of tubers of “Bima Brebes” shallot. Shallots treated with biofertilizer combined with oyster mushroom baglog produced the highest tuber yield of 1788 g compared to 282 g in the control.


2019 ◽  
pp. 128-141
Author(s):  
Hassin AL. Makhlof ◽  
Hassan A. Mohammed ◽  
Gomoa L. Ahmed

Wheat and barley are the most important agricultural crops in many countries around the world, just behind rice and maize in importance. Hence, two field experiments with design of spit plot were carried out in winter season of 2014-2015 at the Faculty of Agriculture Research Farm, Mansoura University, Egypt to investigate total uptake of N, P and K by wheat (Sakha 68) and barley (Gemeza123) under different application rates of mineral and organic fertilizers, as well as grain Protein yield of Kg fed-1. Treatments of organic were chicken manure, compost and biochar, while the studied mineral fertilizer treatments took with rates of 50,75,100 and 125 % .The results revealed that total removed (uptake) of NPK by wheat plant were 80.88, 15.79, and 123.54, respectively; while with barley plant they amounted by 61.60, 11.21, and 56.83 were assigned with the treatment of chicken manure + 125% of recommended NPK treatments. Also, the best interaction was found between chicken manure + 125% mineral treatments which gave the highest value of protein uptake which were 310.60 and 278.76 kg fed-1 compared with other interactions of wheat and barley crops. It can conclude that Chicken manure + 125% mineral treatments were the superior in most amendments and gave the highest values of total NPK uptake and protein yield which in turn lead to improve crop productivity as well as sustain soil health and fertility.


2021 ◽  
Vol 5 (2) ◽  
pp. 7-14
Author(s):  
Muji Rahayu ◽  
Djoko Purnomo ◽  
Andriyana Setyawati ◽  
Edi Purwanto ◽  
Amalia Tetrani Sakya ◽  
...  

Food crops of local varieties are solutions to realize national food security. To boost the production of local corn varieties, various organic fertilizer is promising to develop. This research aimed to study the morphological and physiological response of local variety corn Tambin. The research used a completely randomized design (CRD) one factor with seven treatments: various fertilizers. Various fertilizers consist of no organic fertilizer, liquid organic, compost, cow manure, rabbit urine, chicken manure, and goat manure. The results showed that the application of various organic fertilizers did not affect morphological characters of the local variety of corn Tambin. In This study, the application of various organic fertilizers did not affect the morphological character of corn, including the height of the plant, the number of leaves, the diameter of the stem, the length of the leaves, and the angle of Tambin corn leaves. Application of cow manure, compost, chicken manure, and goat manure could increase the leaf area aged 3 WAP (week after planting) by 716.13 - 1086.52 g per plant. In physiological character, the application of various organic fertilizers could not increase the net assimilation rate, relative growth rate, chlorophyll content, and the specific leave weight. The application of all organic fertilizers, except liquid organic fertilizer, increased the dry weight of plants at the time of harvest by 2.97 – 36.81 g.


2019 ◽  
pp. 6840-6846

1 RÉSUMÉ Le travail a pour objectif de déterminer les combinaisons d'élément nutritif N, P et K optimal pour améliorer la productivité et la rentabilité du riz et du blé dans la vallée du fleuve Sénégal. Des expérimentations ont été conduites au niveau des stations expérimentales du Centre Na-tional de Recherche Agronomique et de Développement Agricole (CNRADA) de la Mauritanie à Sylla dans la région du Gorgol et à Dara Salam dans la région du Trarza. Des parcelles com-paratives ont été mises en place pendant les saisons 2016-2017 et 2017-2018 dans un dispositif expérimental en bloc de Fisher pour mesurer les effets de différents apports de fertilisation mi-nérale sur la performance du riz et du blé. Un calendrier cultural visant à faire trois saisons de cultures par an a été établie avec deux saisons de riz et une saison de blé. Les résultats montrent que pour le riz, si l’application de N est nécessaire pour augmenter la production de chaque saison, ce n’est probablement pas le cas pour P et K. Par exemple, les applications saisonnières de N (chaque saison de culture) et des applications annuelles (une saison par an) de P et de K pourraient être une option pour améliorer la gestion des engrais, la production et rentabilité du riz. Par contre la culture du blé nécessite l’application saisonnière de N, P et K pour optimiser la production. ABSTRACT The objective of the work is to determine the optimal N, P and K nutrient combinations to im-prove the productivity and profitability of rice and wheat in the Senegal River Valley. Experi-ments were conducted at the experimental stations of the Center for Agronomic Research and Agricultural Development (CNRADA) of Mauritania at Sylla in the Gorgol region and at Dara in the region of Trarza. Comparative plots were set up during the 2016-2017 and 2017-2018 sea-sons to measure the effects of different mineral fertilizer inputs on the performance of rice and wheat. A crop calendar for three growing seasons per year has been established with two sea-sons of rice and one season of wheat. The results show that for rice, if the application of N is necessary to increase the production of each season, this is probably not the case for P and K. For example, the seasonal applications of N (each growing season) and annual applications (one season per year) of P and K could be an option to improve fertilizer management, rice production and profitability. On the other hand, wheat cultivation requires the seasonal appli-cation of N, P and K to optimize production.


2017 ◽  
pp. 44-54
Author(s):  
Zenaida Gonzaga ◽  
Warren Obeda ◽  
Ana Linda Gorme ◽  
Jessie Rom ◽  
Oscar Abrantes ◽  
...  

Okra or Lady’s finger, botanically known as Abelmoschus esculentus (L.) Moench, is a tropical and sub-tropical indigenous vegetable crop commonly grown for its fibrous, slimy, and nutritious fruits and consumed by all classes of population. It has also several medicinal and economic values. Despite its many uses and potential value, its importance is under estimated, under-utilized, and considered a minor crop and little attention was paid to its improvement. The study was conducted to evaluate the effects of different planting densities and mulching materials on the growth and yield of okra grown in slightly sloping area in the marginal uplands in Sta. Rita, Samar, Philippines. A split-plot experiment was set up with planting density as main plot and the different mulching materials as the sub-plot which were: unmulched or bare soil, rice straw, rice hull, hagonoy and plastic mulch. Planting density did not significantly affect the growth and yield of okra. Regardless ofthe mulching materials used, mulched plants were taller and yielded higher compared to unmulched plants. Moreover, the use of plastic mulch resulted to the highest total fruit yield. The results indicate the potential of mulching in increasing yield and thus profitability of okra production under marginal upland conditions.


Agrotek ◽  
2018 ◽  
Vol 3 (2) ◽  
Author(s):  
Baso Daeng

<em>The rate of conversion of paddy fields and irrigation water crisis suggest to consider the development of upland rice.� Empowerment of organic-based dryland done to increase rice, as well as environmental sustainability efforts.� The purpose of this experiment was to determine the effect of organic fertilizer residue to upland rice in the second growing season.� Experiments using a split-split plot design.� The main plot consisted of a dosage of 50% and 100% organic fertilizer in the first growing season.� Sub plot consisted of chicken manure (20 tons ha<sup>-1</sup>), <span style="text-decoration: underline;">Centrosema</span>� <span style="text-decoration: underline;">pubescens</span> (4.3 tons ha<sup>-1</sup>) + chicken manure (10 tons ha<sup>-1</sup>), and <span style="text-decoration: underline;">Thitonia</span> <span style="text-decoration: underline;">diversifolia</span> (4.3 tons ha<sup>-1</sup>) + chicken manure (10 tons ha<sup>-1</sup>).� Sub-sub plot consist of Danau Gaung and Batu Tegi varieties.� The different types of fertilizer had no effect on plant productivity.� The addition of <span style="text-decoration: underline;">Thitonia</span> <span style="text-decoration: underline;">diversifolia</span> gave a good effect on some growth variable and its resistance due pathogen attack.� Batu Tegi varieties are varieties that give the best response from an organic fertilizer.� Interaction between dosage, type of fertilizer, and varieties do not provide areal impact.</em>


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