Articles

Effects of Irrigation Intervals on the Growth and Yield of Flax under Kabul Climate Conditions

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Flax (Linum usitatissimum L.) is an important oilseed and fiber crop with significant economic value. Efficient irrigation management is essential for improving crop productivity under the semi-arid conditions of Kabul, where water resources are limited. However, information on the optimum irrigation interval for flax production in this region is scarce.

This field experiment was conducted at the Agricultural Research Farm of the Faculty of Agriculture, Kabul University, during the spring season of 2025.The objective of this study was to evaluate the effect of different irrigation intervals (4, 8, 12, 16, and 20 days) on the growth and yield of flax, Badakhshee variety. The experiment was arranged in a Randomized Complete Block Design (RCBD) with five treatments and three replications across two sites.

Data were recorded on plant height, number of branches per plant, number of pods per plant, number of grains per pod, 1000-grain weight (g) and total yield per hectare. The results showed that irrigation intervals significantly (P ≤ 0.05) affected all measured parameters. The highest plant height (68.67 cm), number of pods per plant (189), and grain yield (1856.67Kg ha⁻¹) were obtained under the 12-day irrigation interval, which increased yield by approximately (27.87%) compared to the 20-day interval. In contrast, the lowest values for most traits were recorded under the 20-day irrigation interval.

These findings indicate that irrigation every 12 days provides optimal moisture conditions for flax growth under Kabul agro-climatic conditions. Therefore, this interval is recommended for maximizing yield while ensuring efficient water use.

Effects of Different Levels of DAP on Agronomical Characteristics and Yield of Mung bean

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Phosphorus deficiency is one of the main factors restricting mung bean (Vigna radiata L.) production in many parts of the world, including Afghanistan. Therefore, a field experiment was carried out in the 2025 growing season at the Research Farm of the Faculty of Agriculture, Kabul University, to determine the influence of different diammonium phosphate (DAP) fertilizer levels on mung bean growth and yield. The experiment was arranged in a randomized complete block design (RCBD) with three replications, consisting of four DAP rates: 0, 30, 60, and 90 kg ha⁻¹. The collected growth and yield data were analyzed using analysis of variance (ANOVA), and mean comparisons were performed using the Least Significant Difference (LSD) test at a 5% probability level. The application of DAP fertilizer significantly improved plant height, shoot dry matter, number of branches, pods per plant, pod length, seeds per pod, and 100-seed weight. However, leaf number, grain weight per square meter, seed yield, and harvest index did not show significant differences among fertilizer treatments, although higher values were generally observed compared with the control treatment. The maximum seed yield (870.83 kg ha⁻¹) was obtained from the application of 60 kg DAP ha⁻¹, while the highest performance for most growth and yield-related traits was recorded under 90 kg DAP ha⁻¹. The findings suggest that DAP fertilizer application enhances mung bean growth and yield performance under the environmental conditions of Kabul. Among the tested fertilizer levels, 60 kg DAP ha⁻¹ was found to be the most effective rate for achieving higher grain yield.

Effect of Foliar Application of Gibberellic Acid at Different Concentrations on Growth, Yield and Quality of Soybean (Glycine max L) under Semi-Arid of Kabul conditions

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Soybean (Glycine max L.) is one of the most important legume crops cultivated worldwide for its high-quality protein and oil content. Using the Plant Growth Regulators (PGRs), particularly gibberellic acid (GA₃) for foliar application, is considered to have great potential in enhancing the yield of soybeans. This study was conducted to investigate the effect of foliar-applied GA₃ on the growth and yield of soybean under the semi-arid condition prevailing in the Kabul University research farm during the 2025 growing season (May-September). Different concentrations of GA₃, such as 0, 50, 100, and 150 ppm, were used at the V6, pre-flowering, and pod-setting stages. The results showed that GA₃ application significantly influenced the growth performance, yield attributes and, seed quality. The plants treated with 150 ppm produced the tallest plants (64.14 cm). The maximum branch number (6.1) and leaf area (42.4 cm²) were recorded in plants treated with 100 ppm GA₃, and there was no significant difference between 100 and 150 ppm. The maximum number of pods per plant (60.35), seed yield (2967.3 kg ha), harvest index (43.4%), 100-seed weight (15.17 g), and seeds per pod (3.07) were noted in plants treated with 150 ppm. However, for all these parameters, there was no significant difference between 100 ppm and 150 ppm treatments. Protein and oil contents were highest in the 100-ppm treatment (38.03 and 19 %).

Effects of Varying Levels of Poultry Manure on Growth and Yield of Canola (Brassica napus L.) under Kabul Agro-climatic Conditions

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Canola (Brassica napus L.) is one of the key oilseed crops worldwide, serving as a vital source of edible oil, livestock feed, and biofuel. In Afghanistan, canola production faces significant challenges due to declining soil fertility and over-reliance on expensive chemical fertilizers. Poultry manure, as a low cost and nutrient-rich organic fertilizer, offers a sustainable alternative for improving crop productivity. However, limited scientific information is available regarding the optimal poultry manure application rate for canola under Kabul’s agro-climatic conditions. Therefore, an experimental research was conducted at Kabul University Agricultural Research Farm during the 2025 cropping season using Randomized Complete Block Design (RCBD) with three replications and four treatments. The study aimed to evaluate Effects of Different Levels of Poultry manure on Growth, Yield, and Yield Components of Canola. The findings of the study revealed that the application of poultry manure significantly influenced on growth, yield and yield components of canola. Overall, the application of 8-ton poultry manure ha-1 had better performance than control. The maximum plant height (117.45 cm), number of branches plant-1 (5.65), number of leaves plant-1 (39.77), number of siliques plant-1 (184.61), silique length (6.01 cm), number of seeds silique-1 (18.39), thousand seed weight (3.40 g), seed yield (2.74 t ha⁻¹), biological yield (9.87 t ha⁻¹), and harvest index (27.76%) were all recorded in T4. The lowest values for all parameters were observed in the control treatment (T1). It is recommended that use 8 tons of poultry manure ha-1 in order to realize optimal seed yield and biological yield of the crop.

Impact of Different Levels of Chicken Manure on the Growth and Yield of Common Bean (Phaseolus vulgaris-L.) under the Agro-Climatic Conditions of Kabul

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Common bean (Phaseolus vulgaris-L.)  is one of the most popular pulse crops, providing substantial economic benefits in the farming communities of Afghanistan, and it is for both food security and income generation. it is an important source of calories, proteins, dietary fibers, minerals, and vitamins for millions of people in both developing and developed countries worldwide. Organic fertilizers play an important role in the growth, yield, and yield attributes of beans. To study this, an experiment was conducted at the Agriculture Faculty of Kabul University during, (2025) growing season, examining the effects of three different levels of chicken manure (control, 10 t/ha-1, 15 t/ha-1, and 20 t/ha-1) on the yield and yield components of common beans (Phaseolus vulgaris -L.) under Kabul’s Agro-climatic conditions. Different crop agronomic traits, including to the growth and yield parameters such as plant height, number of branches per plant, number of leaves per plant, number of pods per plant, number of seeds per pod, biological weight t/ha-1 100-seeds weight, and grain yield t/ ha-1.  The experiment was conducted in a Randomized Complete Block Design (RCBD), and the data were analyzed with Statistical Tools for Agricultural Research (STAR 2.0.1) software. The results of research indicated that different levels of chicken manure had significant effects on all studied traits (plant height, number of branches/plant, leaves number/plants, number of pods/ plants, number of seeds /pods, one hundred seed weight and seed yield t/ha-1), According to statistical analysis, 20 t/ha-1 chicken manure improved growth and yield characters of common bean. For increased productivity of common beans in Kabul climate, the farmers are recommended to apply a proper dose of chicken manure.

Unraveling PT Cita Mineral Investindo: Growth Potential through Organic & Inorganic Strategies under Bauxite Export Ban

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Downstreaming has bring significant impact for Indonesia’s economy, with higher price on goods that were processed to gain a higher value, from IDR 17 trillion (USD 1,1 billion) at the end of 2014 to IDR 326 trillion (USD 20,9 billion) in 2021, Indonesia was able to boost the value of its nickel exports by up to 19 times. However, concerns arise as there may be a lack of clarity and confidence among investors on investment potential in Indonesia’s bauxite mining business, potentially leading to the failure on increasing added value due to the inadequate numbers of bauxite smelters to support the downstreaming process.

Bauxite export ban as part of Indonesia’s effort to downstream more minerals could lead PT Cita Mineral Investindo’s growth to plateau due to their main business is in bauxite mining with products of Metallurgical Grade Bauxite. It may affect its revenue stream negatively, and limit their potential to grow even further. Bauxite industry currently aligned with Indonesia’s plan to be a big player in EV production in the future, which could contribute to the production of aluminium material and key component to EV batteries. The study will examine the valuation of PT Cita Mineral Investindo with the scenarios of organic growth and inorganic growth in an effort to market and increase their domestic sales in order to quantify the opportunities that PT Cita Mineral Investindo may have in complying with the new regulations. The study will involve Financial Ratio Analysis to assess its business condition and DCF valuation will assess the enterprise value for both growth strategy. Sensitivity analysis is performed to identify the most factor influencing the enterprise value of the company.

The enterprise value of PT Cita Mineral Investindo in the organic growth scenario is valued at IDR 9.505.697.469.283 and in the inorganic growth scenario is valued at IDR 12.018.885.689.175. Tornado chart sensitivity analysis shows that the most influencing factors are WACC and terminal growth rate. PT Cita Mineral Investindo is valued higher when it uses an inorganic growth scenario. To achieve this, PT Cita Mineral Investindo must utilize inorganic growth through a set of joint-venture and strategic partnerships.

 

Digital Strategy to Improve Client Acquisition in Mobile Advertising Company: Case Study of Tyrads Pte Ltd

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This qualitative research study examines Tyrads, a mobile growth agency, and proposes a digital strategy to help the company gain a competitive advantage as a user acquisition solution. Through in-depth interviews with key stakeholders and analysis of Tyrads’ operations, the research provides insights and recommendations for Tyrads and other stakeholders in the mobile growth agency industry.

In today’s digital landscape, mobile devices have become indispensable, enabling individuals to engage in various economic and societal activities. However, the increasing reliance on mobile devices has created a greater demand for effective user acquisition solutions. Tyrads, under the leadership of Zino Rost Van Tonningen, aims to address this demand as a mobile growth agency. Nonetheless, Tyrads faces the challenge of attracting clients and differentiating itself from established ad agencies and emerging ad tech companies.

To overcome these challenges and gain a competitive edge, this research proposes a comprehensive digital strategy for Tyrads. The analysis yields key strategies recommended for implementation:

Firstly, Tyrads should leverage digitized solutions and an operational backbone to streamline processes and enhance efficiency. Tyrads can optimize its operations and effectively manage client campaigns by embracing technology and digital tools.

Secondly, forming strategic partnerships with non-gaming platforms is crucial for Tyrads’ expansion. These partnerships would grant access to diverse inventories and allow Tyrads to broaden its service offerings to finance, e-commerce, and travel clients.

Addressing regulatory challenges, such as sandbox regulations and diminishing cookie tracking, is essential. Tyrads needs to manage first-party data and diversify its marketing strategies to adapt to changing regulations and ensure compliance.

Furthermore, Tyrads should utilize its own-operated inventory, Tyr Rewards, and first-party data to develop targeted advertising products and solutions for non-gaming industries. This approach enables Tyrads to deliver personalized and effective campaigns to its clients.

To enhance brand presence and attract new clients, Tyrads should invest in marketing outreach, events, and sponsorships. Proactive engagement with potential clients and establishing a strong brand presence will expand Tyrads’ reach in untapped markets.

Additionally, continuous investment in AI and technology advancements is paramount. By staying at the forefront of technological innovation, Tyrads can maintain a competitive edge and adapt to evolving industry trends.

Based on the analysis, the research proposes these strategies to Tyrads as recommendations. The insights and recommendations provided are intended to guide Tyrads in optimizing its digital strategies and provide valuable input to other stakeholders in the mobile growth agency industry.

This research contributes to the knowledge base of mobile growth agencies by proposing actionable insights for Tyrads and other stakeholders seeking to gain a competitive advantage as user acquisition solutions. By tailoring the strategies to Tyrads’ specific context, the recommendations aim to assist the company in refining its digital approach, adapting to market dynamics, and thriving in the ever-evolving landscape of user acquisition solutions.

This research also sets the groundwork for future research, opening avenues to explore digital strategies in the mobile marketing industry.

Identifying Environmental, Social, and Governance (ESG) Implementation towards Growth and Sustainability: A Case Study at Assisted Micro, Small, and Medium Enterprise (MSME) by Bank Indonesia

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As one of the financial institutions in Indonesia which also has important role in determining the direction of Indonesia Economy, Bank Indonesia currently already assist 1.143 MSMEs within several sectors. Previously known that approximately 59,1% of total assisted MSMEs are dominantly still not adapting the environmentally friendly practice into their business. With the requirement of Environmental, Social, Governance (ESG) implementation within every organization as well as enterprises become necessary since already stated in the provision POJK No. 51/POJK.03/2017. Whereas Environmental is one of the elements on ESG itself. Through the ESG implementation particularly for enterprises, it offers added-value for the business itself. Not only added-value, ESG implementation could also lead to the growth and sustainability which also become important for the enterprises. The research aims to provide portrait/mapping the condition of assisted MSMEs based on ESG elements. Through the literature review, author enrich the rubrication measurement tool of assisted MSMEs with the ESG standard that already used internationally i.e. Sustainable Accounting Standards Board (SASB) and Climate Disclosure Standards Board (CDSB). all of the ESG elements have significant impact on Growth and Sustainability. The result also shown that there is one sub-indicator which comes from Social element regarding pension insurance which has high influence to the assisted MSMEs business but most of the respondent haven’t concerned about it yet. There are other items with high influence to the business but still need to be improved which are leave for employee, health facilities guarantees, diversity and stakeholder support. Other than that, since the dominant of respondent are coming from Processing Industry, the subindicator regarding guarantee for consumer health and safety need to be considered. The result of this research could be the recommendations both for Bank Indonesia and assisted MSMEs which requires special concern for ESG elements if the enterprises want to achieve growing and sustainable business ahead.

The Impact of Open Sky on Airlines Theoretical Study: Case of Tunisia

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At the level of this article to understand the potential economic effects of an “open skies” agreement, in particular on competition, prices and airline profits. We will try in a first part to determine if consumers will benefit from price reductions following the entry into force of an Open Sky agreement, we will also try to see the effects of “open sky” agreements on competition.

 

Aligning PTCI Strategies to Global Corporate Strategies Using Scenario Planning

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Profitability and growth are two important and essential measures to a firm existence and survivability. Profitability is critical to a company’s short-term existence, and growth is crucial to long term survivability. Every business wants to maintain its existence and bring value to its stakeholders. Divestment and merger acquisition are part of the company strategy to achieve business growth that fulfil the company objectives, purpose, vision, and mission. In the case of a multinational company, it normally would have a global corporate strategy. Subsidiary companies will follow the strategic guidelines from its parent company. Thus, subsidiary company needs to align its strategy to the parent global corporate strategy.

Scenario planning used to answer the key focal issue about how to align subsidiary company strategy to its parent company global corporate strategy. One option for a firm to cope with uncertainty is scenario planning. Scenario planning is a unique tool compared to other decision analysis methodology. Scenario planning uses information on key uncertainties and certainties concerning the future to assemble an information rich illustration that provides eloquent descriptions of future worlds.

The data collected in this study comes from literature studies, interviews, questionnaires with internal and external stakeholders. External analysis is using the PESTEL framework and Porter Five Forces model. While internal analysis is using Growth-Share matrix, VRIO framework, and Strategic Diamond model. Information is consolidated to give driving forces that would shape up the future. Two driving forces that give the highest impact and uncertainty, Indonesia economic growth and company Product Innovation, are defined as critical uncertainty and used to construct a 2×2 scenario matrix. The scenario matrix, implication, options, and early warning systems are explored for each scenario to align subsidiary company strategy to its parent global company strategies.