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Journal articles on the topic 'Adequate/ inadequate fertilizer'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Mvumi, Culver. "Assessing the Effect of Adequate and Inadequate Inorganic Fertilizer Rates on the Yield Levels of Paprika in Mutasa Resettlement Area, Manicaland Province, Zimbabwe." Greener Journal of Agricultural Sciences 3, no. 3 (2013): 199–203. https://doi.org/10.15580/GJAS.2013.3.011313374.

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A survey was carried out to evaluate the effect of adequate and inadequate inorganic fertilizer rates on the yield of Paprika (Capsicum annuum var. angulosum mill) in Mutasa resettlement area, Mutasa district. Questionnaires and interviews were used to produce primary data from 42 respondents in 2009. Secondary data was obtained mainly from Agricultural Technical and Extension Services (AGRITEX) and Paprika Company of Zimbabwe. Mean yields of paprika obtained from adequate and inadequate basal and top dressing fertilisers were compared and analysed using ‘Z’ statistical test at 0.0

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2

RANJAN, KUMAR. "Effect of potassium levels on its fractions in soil under rice (Oryza sativa L.) cultivation." Annals of Plant and Soil Research 23, no. 2 (2021): 235–37. http://dx.doi.org/10.47815/apsr.2021.10066.

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It may be concluded from the results that the application of nitrogen and phosphorus without potassium (K) or inadequate K fertilizer application would cause greater mining of reserve soil K. Hence prior to crop production adequate K fertilizer application is needed.

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3

Sheoran, Parvender, O. P. Sheoran, and Virender Sardana. "Modeling Sunflower Productivity and Profitability in Relation to Adequate and Limited Sulphur Availability under Semiarid Irrigated Conditions." International Journal of Agronomy 2013 (2013): 1–4. http://dx.doi.org/10.1155/2013/738263.

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Inadequate and/or imbalanced fertilization has been identified as one of the critical bottlenecks holding oilseeds production and productivity. Sustainable production requires efficient use of inputs maintaining optimum yield and high quality product. The present study aims at defining the quantitative relationship between the fertilizer S applied and the sunflower yield obtained using a polynomial function. The analysis was done to allocate the S fertilizer for maximization of net profit over fertilizer cost depending on the availability of the fertilizer. The results indicated that the cost

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4

Yawson, David Oscar, Michael Osei Adu, Benjamin Ason, Frederick Ato Armah, Emmanuel Boateng, and Reggie Quansah. "Ghanaians Might Be at Risk of Inadequate Dietary Intake of Potassium." Journal of Nutrition and Metabolism 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/3150498.

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Adequate dietary intake of potassium (K) helps fight noncommunicable diseases (NCDs), mainly hypertension and cardiovascular diseases. This paper (i) estimated the K intake of Ghanaian population using food supply and food composition data and (ii) compared this estimate with the WHO recommended requirement for K in order to assess if there is a risk of inadequate K intake. Food supply data (1961–2011) was obtained from the FAO Food Balance Sheet (FBS) to derive trends in food and K supply. The average food supply in the FBS for 2010 and 2011 was used in assessing the risk of inadequate dietar

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5

Owolabi, Ilo Hammed, and Ayinde Yusuf Olarewanju. "Factorial Analysis on Varying Effect of Poulty Manure NPK Fertilizer on the Growth and the Yield of Maize Crop (Case Study of Eden Flows Global Resources Ltd Ilaro, Ogun State, Nigeria.)." International Journal of Research and Innovation in Applied Science X, no. I (2025): 244–58. https://doi.org/10.51584/ijrias.2025.1001020.

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When the soil fertility is inadequate, it leads to low productivity, which results to one of the factors hindering crop production in Nigeria. It has been attributed to planting of crop consistently without adequate artificial soil nutrient of farm inputs. However, the combination of chemical fertilizer and organic manure is regarded as one of solution to the problem. The treatment consists of NPK fertilizer with fresh weight of maize, NPK with dry weight of maize and NPK with seed yield maize. The factorial ANOVAL model is adopted for the analysis. The result indicates that Fcal(10.57) > F

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Adejo, S.A, T.T. Amos, and D.O. Awolala. "Factors Influencing Choice of Adaptation Strategies to Climate Change by Yam Farmers in Nasarawa State, Nigeria." Continental Journal of Applied Sciences 19, no. 2 (2024): 35–50. https://doi.org/10.5281/zenodo.13239792.

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<em>This study seeks to determine factors influencing choice of adaptation strategies to climate change by yam farmers in Nasarawa state, Nigeria while the specific objectives were to examine the socio-economic characteristics of the respondents in Nasarawa states, Nigeria; identify factors influencing the choice of adaptation strategies by respondents in the study area; examine constraints to yam farming in the study area. Descriptive statistics, Multinomial Logistic Regression (MNL) and the Relative Importance Index (RII) were used to analyse the objectives. The study revealed a mean age of

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7

Mvumi, Culver. "Assessing the Effect of Adequate and Inadequate Inorganic Fertilizer Rates on the Yield Levels of Paprika in Mutasa Resettlement Area, Manicaland Province, Zimbabwe." Greener Journal of Agricultural Sciences 3, no. 3 (2013): 199–203. http://dx.doi.org/10.15580/gjas.2013.3.011313374.

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8

Onanuga, Adebusoye O., Roy Weasel Fat, and Roy M. Weasel Fat. "Growth and Yield of Corn, Carrot and Onion Treated With Rock Phosphate Organic Fertilizer Grown in Standoff Soil Southern Alberta, Canada." Journal of Agricultural Science 13, no. 3 (2021): 46. http://dx.doi.org/10.5539/jas.v13n3p46.

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An experiment was performed in Standoff, Southern Alberta to investigate resource cheap rock phosphate organic fertilizer application to corn, carrot and onion plots. The objective of the study was to ascertain effectiveness of rock phosphate organic fertilizer to support growth and yield of corn, carrot and onion crops grown in Southern Alberta. The varying levels of rock phosphate at 50 P kg/ha for Low P, 100 P kg/ha for High P and control were applied to corn, carrot and onion plots. These treatments were replicated three times, resulting into nine plants per crop. Agronomical parameters co

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9

Idiku, F. O. "Training Needs of Women Vegetable Farmers in the University of Calabar Farm, Nigeria." Direct Research Journal of Agriculture and Food Science 7, no. 6 (2019): 137–40. https://doi.org/10.5281/zenodo.3242020.

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A two stage sampling technique was employed to select 60 respondents (women vegetable farmers). A well structured questionnaire was used to obtained primary data while the data obtained were analyzed with the use of simple frequencies and percentages while the relationship between their socioeconomic status and training needs were analyzed with Chi-square statistics. The socio-economic characteristics of the respondents show that 48.3% of the respondents were in the age bracket of 41-50 years, 50% of the respondents attained secondary education and 75% had between 5-10 children meaning th

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Nhunda, Daniel M., Johnson M. Semoka, and Tindwa Hamisi. "Assessment of Soil Fertility Status in Selected Fields under Maize Production in Kongwa District, Dodoma Region, Tanzania." Journal of Agriculture and Ecology Research International 25, no. 1 (2024): 32–47. http://dx.doi.org/10.9734/jaeri/2024/v25i1570.

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This study was conducted in the Kongwa District to assess the fertility status of soils of the selected fields under maize production to understand fertility variability among soils and recommend appropriate fertilizer rates. The study involved randomly selected 24 maize fields. Composite soil samples were collected in these fields at 0–20 cm deep and characterized for soil fertility status. Results indicated that 48% of the soils were sandy clay loam and 26% were sandy loam. The remaining fields had clay or loamy sand textural classes. The soil pH ranged from extremely acidic (3.52) to modera

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11

Bierman, Peter, and Tom Wall. "Nitrogen Management of Drip-iIrrigated Peppers." HortScience 31, no. 4 (1996): 672e—672. http://dx.doi.org/10.21273/hortsci.31.4.672e.

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Inadequate N can reduce growth and yield, but excess N can be uneconomical and environmentally harmful. Our objective was to investigate the potential for using fertigation and on-farm plant-nutrient monitoring to improve the efficiency of N fertilizer use by bell peppers (Capsicum annuum L.). Two N fertilizer treatments were compared: 1) all N applied preplant and 2) one-third of the N applied preplant and the remainder injected into the drip-irrigation lines throughout the growing season. Total application rates were N at 118 kg·ha–1 for both treatments. Data were collected for total yield,

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12

Bala, A. H. and Abubakar, A. "ANALYSIS OF RURAL YOUTH PARTICIPATION IN AGRICULTURAL ACTIVITIES IN CHIKUN LOCAL GOVERNMENT AREA OF KADUNA STATE, NIGERIA." Journal of Agripreneurship and Sustainable Development 2, no. 1 (2019): 14–22. http://dx.doi.org/10.59331/jasd.v2i1.45.

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The study analysed rural youth participation in agricultural activities in Chikun Local Government Area of Kaduna State, Nigeria. Simple random sampling techniques was used to select 60 youth in the study area and data was obtained with the aid of structured questionnaire and analysed using descriptive and inferential statistics. The result revealed 48% of the respondent fall within the age limit of 20-25 and 12% fall within 15-19 years. The study also revealed that 52% of the respondents were married and 33% had a household size of 2-5 people and majority (63%) attended secondary school. Abou

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*Samson, G. L., Haruna, U., and Idi, S. "ANALYSIS OF WHEAT PRODUCTION EFFICIENCIES IN HADEJIA AND RINGIM LOCAL GOVERNMENT AREAS OF JIGAWA STATE, NIGERIA." Nigerian Journal of Agriculture and Agricultural Technology 4, no. 2 (2024): 203–13. http://dx.doi.org/10.59331/njaat.v4i2.705.

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The study analyzed wheat production efficiencies in Hadejia and Ringim Local Government Areas of Jigawa State, Nigeria. A multi-stage sampling technique was used to select 154 wheat farmers. Data was collected using structured questionnaire and analyzed using both descriptive and inferential statistics. The results showed that most (92.2%) of the respondents were male while almost half (43.5%) of the respondents fell within the age bracket of 29 – 40 years with mean age 42 years and majority (80.5%) of the respondents were married with household size of 5 – 8 persons, accounting for 29.2% of t

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14

C. Onuwa, Godfrey. "MITIGATING RISKS IN SMALLHOLDER SORGHUM (SORGHUM BICOLOR [L.] MOENCH) PRODUCTION SYSTEMS." Agribusiness Management In Developing Nations 1, no. 2 (2023): 41–44. http://dx.doi.org/10.26480/amdn.02.2023.41.44.

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Risks in agriculture include those related to the production, market, credit, technological, institutional, and human resource sectors; hence, low output in sorghum production is attributable to poor management practices among smallholders in Nigeria. Therefore, this study evaluated sorghum production risks and mitigation measures in small-scale farms in Toro, Bauchi State, Nigeria. Primary data collected via multi-stage sampling from 145 respondents was evaluated utilizing Descriptive Statistics and Adoption Index. The results showed the prevalent sorghum production risks include low farm out

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15

Bulus, G., Tikon, F. U., and Sangari, H. I. "RESOURCE USE EFFICIENCY IN RAIN-FED PADDY RICE PRODUCTION: A CASE STUDY OF DONGA LOCAL GOVERNMENT AREA OF TARABA STATE, NIGERIA." Journal of Agripreneurship and Sustainable Development 5, no. 4 (2022): 1–9. http://dx.doi.org/10.59331/jasd.v5i4.360.

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The study examined resource use efficiency in rain-fed paddy rice production in Donga Local Government Area of Taraba State. A total of 106 rice farmers were randomly selected for the study. Data was collected through the use of a questionnaire. Data was analyzed using descriptive statistics and multiple regression analysis. The result showed a mean age of 38 years for rice farmers. About 73.8% of the respondents were males and, 71.7% were married with a mean household size of 12 persons per household. Majority (73.8%) had at least primary education and 96.2% had no contact with extension agen

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16

MacKAY, D. C., J. M. CAREFOOT, and T. ENTZ. "DETECTION AND CORRECTION OF MIDSEASON P DEFICIENCY IN IRRIGATED POTATOES." Canadian Journal of Plant Science 68, no. 2 (1988): 523–34. http://dx.doi.org/10.4141/cjps88-064.

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Three experiments were performed in an automatic rainshelter and two in the field to determine the role of soil moisture management and phosphorus (P) fertilization in controlling P nutrition of potatoes (Solanum tuberosum L. ’Russet Burbank’). The rainshelter experiments indicated that permitting the upper layer (25 cm) of soil to remain dry during the early part of the growing season depressed the total P concentrations in the leaf blades at the 10% bloom stage to well below the sufficiency range of 0.45 – 0.50%, in spite of high P application rates at planting. Relieving stress at 10% bloom

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17

Makama, S. A., Yusuf, H. G., Ibrahim, A. L., and Abubakar, A. D. "ECONOMIC ANALYSIS OF SUGARCANE PRODUCTION IN MAKARFI LOCAL GOVERNMENT AREA, KADUNA STATE, NIGERIA." Journal of Agripreneurship and Sustainable Development 7, no. 2 (2024): 169–77. http://dx.doi.org/10.59331/jasd.v7i2.761.

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The research assessed sugarcane production in Makarfi Local Government Area of Kaduna State, Nigeria. Multi-stage sampling procedure was used to select 100 sugarcane farmers for the study. Data were collected with the aid of a questionnaire and analyzed using descriptive statistics, gross margin, and regression analysis. The results revealed that the mean age of the sugarcane farmers was 39 years and majority (94%) of the farmers were married. However, 38% and 48% of the farmers had secondary and tertiary education respectively with an average of 6 years farming experience. The average househo

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18

Adnan, Muhammad, Koko Tampubolon, Fazal Ur Rehman, et al. "Influence of Foliar Application of Magnesium on Horticultural Crops: A Review." Agrinula : Jurnal Agroteknologi dan Perkebunan 4, no. 1 (2021): 13–21. http://dx.doi.org/10.36490/agri.v4i1.109.

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 Introduction: Magnesium is very important nutrient and performs a significant part in development and formation of many sink organs like roots and seeds. Furthermore, its fertilization significantly affects yield and numerous physiological mechanisms in different horticulture crop species. Moreover, its deficiency caused germination and reduction in horticulture crop stand. Nevertheless, its adequate concentration by foliar application plays important role in biochemical and physiological processes of plants like proteins synthesis, metabolism of carbohydrates, enzymes activation and en

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19

Mou, Nusrat Hasan. "Profitability of Flower Production and Marketing System of Bangladesh." Bangladesh Journal of Agricultural Research 37, no. 1 (2012): 77–95. http://dx.doi.org/10.3329/bjar.v37i1.11179.

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This study examines the production and profitability of some selected flowers in comparison with their competing crops. The study also attempts to identify the value chains and channels of flower marketing in Bangladesh. Stratified random sampling method was used to collect Primary data collected from the 32 farmers of Guptergaon under Phulpur Upazila in Mymensingh district and from the 21 flower traders, retailers and wholesalers of different flower trading zones in Dhaka city. The study reveals that gross margins of flower and vegetables per hectare were Tk.1,359,824.20 and Tk.46,362.14, res

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20

Emerson, WW, CT Hignett, and DA Thomas. "Physical limitations to plant growth on tailings from sandy alluvium." Soil Research 30, no. 5 (1992): 807. http://dx.doi.org/10.1071/sr9920807.

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It is proposed to rework surface alluvium derived from earlier mining of gold-bearing quartz. After grinding and extraction, tailings would be pumped back into the excavation as a thick slurry. In pot trials of the tailings in winter, it was found that oats failed to establish despite fertilizer addition. To find the reason for this, the particle size distribution, water retention, bulk density, ease of dispersion and hydraulic conductivity of tailings and the starting alluvium were compared. Also tailings were slowly dried in stages and, at each stage, the increase in cone penetrometer resist

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21

Ogunjobi, Taiwo E., Julius K. Apotiade, and Favour A. Ogunjobi. "Information needs and seeking behaviour of cocoa farmers in Cross River State, Nigeria." Library and Information Perspectives and Research 7, no. 2 (2025): 80–97. https://doi.org/10.47524/lipr.v7i2.98.

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The study investigated information needs and seeking behaviour of cocoa farmers in Cross River State, Nigeria. The specific objectives of the study were to examine different types of crops grown by cocoa farmers, information needs and sources of seeking information, the degree of preference of various sources sought by cocoa farmers and challenges faced. The study used descriptive research design with quantitative approaches. One hundred cocoa farmers were purposively selected from 3 major cocoa producing local governments across the state. A set of questionnaire were distributed to them of wh

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22

Williams, Kimberly A., Paul V. Nelson, and Dean Hesterberg. "Phosphate and Potassium Retention and Release during Chrysanthemum Production from Precharged Materials: I. Alumina." Journal of the American Society for Horticultural Science 125, no. 6 (2000): 748–56. http://dx.doi.org/10.21273/jashs.125.6.748.

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Soilless root media have little capacity to retain PO4 or K, and this contributes to leaching of these nutrients during greenhouse crop production. The objective of this research was to evaluate the suitability of precharged alumina as a sole source of PO4 and K during greenhouse production of potted chrysanthemum [Dendranthema ×grandiflora Kitam. (syn. Chrysanthemum ×morifolium Ramat.)]. Phosphate and K adsorption and desorption curves were created at 25 °C for two particle sizes (0.5 to 0.9 and 1.8 to 3.2 mm) of alumina (Al2O3; acid-washed and unwashed), and a medium of 7 peat: 3 perlite (v/

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23

De Oliveira, Mauro Wagner, Camila Alves Rodrigues, Rajan Bhatt, et al. "Production and quality of sugarcane forage RB92579 as a function of phosphate fertilization applied in the fourth regrowth." DELOS: DESARROLLO LOCAL SOSTENIBLE 16, no. 42 (2023): 247–61. http://dx.doi.org/10.55905/rdelosv16.n42-018.

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Phosphorus applied when planting sugarcane ensures, in most cases, an adequate supply of the element for the cane plant and for the first regrowth, however, this supply may be inadequate for subsequent regrowths. The objective of this research was to evaluate the nutritional status, production, and forage quality of the sugarcane variety RB92579, as a function of the phosphorus fertilization applied in the fourth regrowth of the sugarcane, in soil with a sandy texture, with a P content of 15 mg dm-3, in the layer from 0 to 20 cm. The study consisted of five doses of phosphorus (30, 45, 60, and

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Sani, R. M., and A. Bagna. "ADOPTION OF IMPROVED SEEDS OF MILLET AND COWPEA BY FARMERS IN MADAROUNFA DISTRICT, NIGER REPUBLIC." Continental J. Agricultural Economics 1 (June 16, 2017): 1–6. https://doi.org/10.5281/zenodo.809915.

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The issue of low agricultural output has continued to be a concern to Niger Republic. The rapidly growing population of the country requires more food. Up till now however, agricultural supplies have not matched up with demands in the country. Related to this problem is the low pace in the adoption and use of agricultural technologies. This study examined the extent of adoption of improved seeds developed by the National Institute of Agricultural Research (INRAN) by farmers in Madarounfa district. Data were collected from 120 farmers randomly selected from 12 villages of the district of Madaro

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Ibiremo, O. S, Ogunlade, M. O., Iloyanomon, C. I., and Ogbeide, C. E. "Soil Fertility Evaluation for Cashew Production at Iyapo Farm Estate, Offa, Kwara State." Journal of Agriculture and Ecology Research International 24, no. 5 (2023): 170–80. http://dx.doi.org/10.9734/jaeri/2023/v24i5554.

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Cashew (Anacardium occidentale L) is an important commodity crop with great potential as a foreign exchange earner. It is grown principally for it nuts and apple and is a hardy crop which is adapted to a wide range of agro-ecologies. The increase in the price of cashew nuts globally, has resulted in increased interest in the cultivation of cashew. The Management of Iyapo farms limited in its desire to key into this sector requested the technical assistance of Cocoa Research Institute of Nigeria (CRIN) to carry out soil fertility evaluation of the 50 hectares of land proposed for establishment

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Vale, Marcos Lima Campos do, Rogério Oliveira de Sousa, and Walkyria Bueno Scivittaro. "Evaluation of ammonia volatilization losses by adjusted parameters of a logistic function." Revista Brasileira de Ciência do Solo 38, no. 1 (2014): 223–31. http://dx.doi.org/10.1590/s0100-06832014000100022.

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The dynamics of N losses in fertilizer by ammonia volatilization is affected by several factors, making investigation of these dynamics more complex. Moreover, some features of the behavior of the variable can lead to deviation from normal distribution, making the main commonly adopted statistical strategies inadequate for data analysis. Thus, the purpose of this study was to evaluate the patterns of cumulative N losses from urea through ammonia volatilization in order to find a more adequate and detailed way of assessing the behavior of the variable. For that reason, changes in patterns of am

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Elizabeth David, S., and T. C. Jennerjahn. "Extreme dissolved organic nitrogen fluxes in the human impacted Pamba River, Kerala, India." Biogeosciences Discussions 10, no. 10 (2013): 16137–71. http://dx.doi.org/10.5194/bgd-10-16137-2013.

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Abstract. Cultural eutrophication of coastal aquatic systems is a major undesired phenomenon of today, which is mainly ascribed to the application of inorganic fertilizers in agriculture. Consequently, dissolved inorganic nitrogen (DIN) is considered the major problem and widely studied. However, human interventions also strongly influence the riverine dissolved organic nitrogen (DON) concentrations and fluxes. Studies of nutrient inputs from tropical river catchments are biased towards DIN, even though they account for only a portion of the total dissolved nitrogen (TDN) pool, whereas the res

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Ojo, M. A., D. B. Saleh, A. A. A. Coker, and A. O. Ojo. "Effect of improved seed technology adoption on small-scale sorghum farmers’ productivity in Kebbi State, Nigeria." Agricultural Science and Technology 11, no. 1 (2019): 41–48. http://dx.doi.org/10.15547/10.15547/ast.2019.01.007.

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Abstract. The study examined the effect of improved seed technology adoption on small-scale sorghum farmers’ productivity in Kebbi State, Nigeria. Multistage sampling technique was employed in determining the sample size from the sample frame, 240 respondents were sampled using proportionate sampling technique. Data for the study were collected using structured questionnaire containing open and closed ended questions. The data collected were analyzed using descriptive statistics and multiple regression analysis. The results indicated that the sorghum farmers adopted Samsorg-5, Samsorg-14 and S

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Mohamed, Mahthi, and Wimalasiri Ruminda. "Solid Waste Management in Akkaraipattu Municipality Area in Sri Lanka." European Journal of Advances in Engineering and Technology 10, no. 12 (2023): 1–10. https://doi.org/10.5281/zenodo.10639726.

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<strong>ABSTRACT</strong> Akkaraipattu Municipal Council (AMC) disposes more than twenty-six tons of solid waste daily. The concerning<em> </em>issues pertaining the solid waste disposal<em> </em>are the increasing quantity of debris, landfill obstacles, unavailability of proper collection, interrupted waste transportation, inadequate waste treatments, and improper disposal methods. No scientific research has been carried out regarding the Municipal Solid Waste (MSW) and disposal methods at AMC. However, it was understood that the overall MSW disposal procedure in this area is unsatisfactory.

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Huett, DO, and E. White. "Determination of critical nitrogen concentrations of potato (Solanum tuberosum L. cv. Sebago) grown in sand culture." Australian Journal of Experimental Agriculture 32, no. 6 (1992): 765. http://dx.doi.org/10.1071/ea9920765.

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A gamma x cubic response surface model was used to predict the dry matter yield of potato cv. Sebago over the 12-week growth period in sand culture with nitrogen (N) levels of 2, 7, 14, 29 and 43 mmol N/L. At each 2-week sampling period after emergence, dry matter yield relative to maximum was plotted against tissue N concentration to derive diagnostic petiole, petiole sap, leaf nitrate-N and leaf total N in youngest fully opened leaf (YFOL), youngest fully expanded leaf (YFEL) and oldest green leaf (OL) and for total N in bulked leaves. Critical concentrations corresponding to 90% maximum yie

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Makka, T. B., Murtala, N., Idi, S., and Haruna, U. "COST AND RETURN ANALYSIS OF IRRIGATED UPLAND TOMATO (Lycopersicon Esculentum) PRODUCTION IN GOMBE STATE, NIGERIA." Nigerian Journal of Agriculture and Agricultural Technology 4, no. 1 (2024): 147–58. http://dx.doi.org/10.59331/njaat.v4i1.637.

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The study examined the cost and return analysis of irrigated upland tomato (Lycopersicon Esculentum) production, in Gombe State, Nigeria. Multi-stage random sampling procedure was used to select 459 respondents. Data were collected using structured questionnaire and were analysed using descriptive and inferential statistics. The result revealed that Most of the types of farms implements use for dry season tomato production in the study areas were tractors (32.4%), hand tools (37.6%) and animal traction (30.0%). Capital for dry season tomato production, the respondents in Dukku, Nafada, funakay

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Domene, Miguel Ángel, Felipe Gómez, Rocío Soria, Ana B. Villafuerte, Isabel Miralles, and Raúl Ortega. "Comparative Analysis of Horticultural and Animal Waste Compost: Physicochemical Properties and Impact on Plant Growth." Agronomy 15, no. 3 (2025): 516. https://doi.org/10.3390/agronomy15030516.

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In Europe, food and agricultural waste amount to millions of tonnes annually. Effective management and valorisation of these residues result in environmental benefits and foster opportunities within the circular economy. Composting has emerged as a sustainable method to convert waste into fertiliser, enhancing soil fertility, water retention, and crop resilience against diseases. However, an adequate compost production process is vital to obtain a functional fertiliser. In this study, a controlled conditions self-produced compost from horticultural waste (C1) was compared against two other com

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Khan, Mahbubur Rahman, Md Habibur Rahman, Md Mahbubul Alam Tarafder, et al. "Determination of critical limit of soil phosphorous for mustard (<i>Brassica napus</i> L.) and maize (<i>Zea mays</i> L.) in different agroecological zones of Bangladesh." Acta Agrobotanica 77 (February 22, 2024): 1–16. http://dx.doi.org/10.5586/aa/174958.

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The idea of a critical limit (CL) of nutritional elements distinguishes deficiency from adequacy, which could suggest fertilizer administration. The critical limit can be used to distinguish between responsive (deficiency) and non-responsive (sufficiency) sites. The study aims to estimate the critical limit of phosphorus (P) for mustard and maize in different Agro-ecological Zones (AEZs) of Bangladesh. In this context, the study was conducted in 20 types of soil and two crops (maize and mustard) both in pot and field experiments. Twenty soils from different places were used as experimental mat

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Gillingham, A. G., G. W. Sheath, M. H. Gray, and R. W. Webby. "Management and nitrogen fertiliser options for increased pasture productivity in dryland hill systems." NZGA: Research and Practice Series 11 (January 1, 2003): 43–49. http://dx.doi.org/10.33584/rps.11.2003.3002.

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Legume productivity in dryland pastures is often less than 10% of the total annual growth and dominated by annual species. White clover content of these pastures is often less than 5% because the period of potentially most active growth coincides with that of low soil moisture levels. Therefore variations in summer rainfall have a dominant effect on the white clover content of the pasture in the following spring. Predictive relationships for white clover content are presented. Attempts to introduce alternative legumes into dryland hill pastures have generally been unsuccessful because of the h

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Al-Sharify, Zainab T., Huda T. Hamad, Zinah A. Alshrefy, Salwa Ahmad Sarow, and Thiab Hussein Nail. "A Review of Fluid Flow Applications and Hydraulic Performance of Sustainable Drip Irrigation to Improve Water Resource Management." Tikrit Journal of Engineering Sciences 30, no. 3 (2023): 59–70. http://dx.doi.org/10.25130/tjes.30.3.7.

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Fluid flow applications to improve water resource management towards sustainable irrigation are one of the main targets of engineers nowadays, especially with global climate change. The performance assessment of the irrigation system is an important area of research to improve water resource management. Through drip irrigation systems, this review evaluated the application uniformity of water and nutrients to sustain agricultural production and protect the environment’s natural resources. To achieve these goals, the adequate use of nutrients and water must be emphasized by utilizing sufficient

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Bragg, Jennifer N., Jiping Liu, and Matthew J. Milner. "Effects of Salt and Nitrogen Treatments on End Use Quality in Different End Use Types of Wheat." Plants 14, no. 9 (2025): 1300. https://doi.org/10.3390/plants14091300.

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Farmers frequently rely on mineral fertilizers to increase yields, improve or sustain crop productivity, and mitigate the adverse impacts of environmental stresses, including salinity. However, improper fertilization—whether inadequate or excessive—can hinder plant growth, reduce nutritional quality, and contribute to soil degradation and environmental pollution. Understanding how different levels of nitrogen (N) fertilizers and abiotic stresses such as salt impact yields and end-use quality is important to maintain food production and ensure fair crop value. In this study, we examined four ty

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Araújo, Narcísio Cabral de, Vera Lucia Antunes Lima, Jailton Garcia Ramos, Elysson Marcks Gonçalves Andrade, Geovani Soares de Lima, and Suenildo Jósemo Costa Oliveira. "Contents of macronutrients and growth of ‘BRS Marataoã’ cowpea fertigated with yellow water and cassava wastewater." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 14, no. 3 (2019): 1. http://dx.doi.org/10.4136/ambi-agua.2309.

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Agricultural utilization of yellow waters associated with cassava wastewater is a sustainable technique, since it allows reduction of costs related to acquisition of industrialized fertilizers and minimizes the environmental pollution caused by the inadequate disposal of these effluents. In this context, this study evaluated the macronutrient macronutrient content and growth of cowpea fertigated with yellow water associated with cassava wastewater and NPK as source of nutrients. The experiment was set up in a greenhouse located at Campus I of the Federal University of Campina Grande. The exper

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Ndegwa, Jackline K., Bernard M. Gichimu, Jayne N. Mugwe, Monicah Mucheru-Muna, and Daniel M. Njiru. "Integrated Soil Fertility and Water Management Practices for Enhanced Agricultural Productivity." International Journal of Agronomy 2023 (June 23, 2023): 1–8. http://dx.doi.org/10.1155/2023/8890794.

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Declining agricultural productivity has been a challenge worldwide and especially in Sub-Saharan Africa (SSA). Low agricultural productivity has been attributed to factors such as poor farm management practices, soil moisture stress, soil infertility, and soil degradation, among others. The nations in the SSA are prone to insufficient crop yields due to their inadequate capacity to adapt to good agricultural practices that support crop productivity such as integrated soil fertility and water management (ISFWM) practices. This lowers the farmers’ capacity to improve crop productivity, thus cont

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KUMAR, ABHAY, R. K. P. SINGH, K. M. SINGH, and J. S. MISHRA. "Economics of paddy (Oryza sativa) production: A comparative study of Bihar and Punjab." Indian Journal of Agricultural Sciences 88, no. 2 (2018): 314–19. http://dx.doi.org/10.56093/ijas.v88i2.79225.

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Rice (Oryza sativa L.) is a staple food for about 65% of the population in India. It plays a vital role in strengthening food and livelihood security. Despite having stagnant area during the last decade, the rice production has registered an increase of 18%. But there is a common concern about declining profitability in paddy production. This article explores the trends in the cost of cultivation and profitability in rice production in two rice growing Indian states of Bihar and Punjab, which have almost contrasting scenario in productivity and use of inputs. Bihar is a traditional paddy growi

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AGYEMANG, K., D. L. DOGOO, and H. J. MAKUN. "PROFITABILITY OF FORAGE PRODUCTION IN SMALLHOLDER PERI-URBAN DAIRY PRODUCTION SYSTEMS." Experimental Agriculture 34, no. 4 (1998): 423–37. http://dx.doi.org/10.1017/s0014479798004013.

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Peri-urban dairy producers in West Africa face major production constraints including inadequate and poor quality feeds. In view of the high cost of traditional supplementary feeds such as oilseed cakes, the production of forage, especially legumes, is increasingly being advocated. However, it has not been established whether returns in terms of increased livestock productivity from sown forages will be adequate to encourage smallholder livestock owners to undertake forage production for indigenous livestock.In three trials involving indigenous Bunaji cows biological and economic responses in

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Vaidiya, Subhadra, Sunil Kumar Joshi, Sabita Jyoti, and Prasanna Lama. "P-504 KNOWLEDGE, ATTITUDE, AND PRACTICE OF PESTICIDE USE AMONG AGRICULTURAL WORKERS OF LAMATAR, LALITPUR, NEPAL." Occupational Medicine 74, Supplement_1 (2024): 0. http://dx.doi.org/10.1093/occmed/kqae023.1264.

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Abstract Introduction Unsafe methods in handling pesticides, especially in middle and low-income countries like Nepal are practiced, although the harmful health effects either go unnoticed or are missed or are diagnosed late. This study aimed to assess knowledge, attitude, and practice regarding pesticide use among agricultural workers and farmers’ awareness of pesticide labels on pesticide bottles or packets. Methods A cross-sectional study among 74 conveniently selected agricultural workers, who used or ever-used pesticides within the last six months was conducted in Lamatar, Lalitpur Distri

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Dawadi, Baishali, Sudip Ghimire, and Nabin Gautam. "Assessment of Productivity, Profit, and Problems Associated with Wheat (Triticum aestivum L.) Production in West Nawalparasi, Nepal." AgroEnvironmental Sustainability 1, no. 2 (2023): 122–32. http://dx.doi.org/10.59983/s2023010205.

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Wheat (Triticum aestivum L.), a staple crop in Nepal, has a rich history of cultivation. Despite increasing demand due to population growth and agricultural development efforts, wheat production faces persistent challenges that hinder its expansion and profitability. This research, conducted from February to July 2022 in West Nawalpur district, Nepal, aims to assess the productivity, profitability, and economics, including benefit-cost analysis, of wheat in West Nawalparasi. A total of 100 wheat farmers were selected and the data obtained were analyzed using Microsoft Excel and Statistical Pac

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Silva, Júlio César Barbosa da, Felipe Lima Dipe, Camila Dos Santos Leite, Ana Aparecida da Silva Almeida, and Oscar César Pires. "Exposure to agricultural pesticides and use of personal protection equipment by small-scale farmers in a municipality of Minas Gerais, Brazil." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 15, no. 7 (2020): 1. http://dx.doi.org/10.4136/ambi-agua.2542.

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The use of agricultural pesticides in Brazil has significantly increased during recent decades, especially due to the competition between the internal Brazilian market and that for exports. Pesticides are among the most important risk factors for the health of the general population, especially workers, and the environment, resulting in a scenario of increased public spending on health and social damage due to pollution by such chemicals, with emphasis on organophosphates and carbamates. When these substances are managed incorrectly, such as when personal protection equipment (PPE) is not used

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Abdalla, Ahmed, Mathias Becker, and Till Stellmacher. "The Contribution of Agronomic Management to Sustainably Intensify Egypt’s Wheat Production." Agriculture 13, no. 5 (2023): 978. http://dx.doi.org/10.3390/agriculture13050978.

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In Egypt, recent shortfalls in the wheat supply from Russia and Ukraine have necessitated substantial increases in domestic production. As agricultural practices influence the yield of bread wheat, we assessed current production strategies in the wheat-based systems of Egypt and investigated their effects on wheat productivity in four study areas in the Nile Delta. We used a multi-stage random sampling technique to select 246 wheat-producing farmers and applied structured questionnaires to assess farming practices and crop performance attributes. Data were analyzed by using descriptive statist

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Lopes, Guilherme, Fabrício William Ávila, and Luiz Roberto Guimarães Guilherme. "Selenium behavior in the soil environment and its implication for human health." Ciência e Agrotecnologia 41, no. 6 (2017): 605–15. http://dx.doi.org/10.1590/1413-70542017416000517.

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ABSTRACT Selenium (Se) is an important element that was discovered in 1817, and since the 1960s, it has been regarded as an essential micronutrient for both animals and humans, playing among other functions a relevant role in the antioxidant system of mammals. Inadequate blood Se levels in the human body is a well-known concern in many parts of the world. This malnutrition problem is often due to Se-poor diet, probably as a result of the low Se availability in soils where crops are growing. Nowadays, it is known that not only the total content, but also the inorganic and organic forms of Se co

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Little, I. P. "The fate of nitrogen fertilisers added to red gradational soils at Batlow, New South Wales, and its implications with respect to soil acidity." Soil Research 35, no. 4 (1997): 863. http://dx.doi.org/10.1071/s96094.

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Red gradational soils at Batlow, in New South Wales, which are used for apple growing, have acid subsoils with exchangeable aluminium (Al) frequently in excess of exchangeable calcium (Ca). There is often inadequate Ca in the fruit cortex of post-harvest apples to maintain good fruit quality and this can lead to losses in cool-store. It is possible that Al in these acid subsoils has interfered with Ca uptake by the trees. The excessive use of nitrogenous fertilisers leads to soil acidity, and it was thought likely that this was exacerbating the subsoil acidity common in the district. In Octobe

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Khan, Nawab, Jiliang Ma, Hazem S. Kassem, et al. "Rural Farmers’ Cognition and Climate Change Adaptation Impact on Cash Crop Productivity: Evidence from a Recent Study." International Journal of Environmental Research and Public Health 19, no. 19 (2022): 12556. http://dx.doi.org/10.3390/ijerph191912556.

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The world faces a once-in-a-century transformation due to the COVID-19 pandemic, adversely affecting farmers’ employment, production practices, and livelihood resilience. Meanwhile, climate change (CC) is a crucial issue limiting agricultural production worldwide. Farmers’ lives, severely affected by extreme weather conditions, are resulting in the reduced production of major economic crops. The CC has drastically influenced the major agricultural sectors of Pakistan, leading to a significant decline in farmers’ living standards and the overall economy. Climate-smart and eco-friendly agricultu

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Stavytskyy, Andriy, and Oleksandra Prokopenko. "INVESTMENTS IN AGRICULTURAL MACHINERY AND ITS EFFICIENCY IN UKRAINE." Ekonomika 96, no. 1 (2017): 113–30. http://dx.doi.org/10.15388/ekon.2017.1.10667.

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One of the major conditions of effective agriculture production is sufficient farm mechanization. However, the unstable economic situation in Ukraine, combined with bureaucratic problems, an unstable currency exchange rate, and sharply changed trade routes (which has caused major losses to a number of farms and traders working with the Custom Union) created significant obstacles for investing in machinery in Ukraine. It is especially topical for small and medium farms that usually function in poor economic conditions without any adequate access to the credit market. Consequently, Ukrainian agr

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Upadhyaya, Tanka Prasad. "Role of Agriculture in Economic Development of Assam." Cognizance Journal of Multidisciplinary Studies 2, no. 6 (2022): 10–21. http://dx.doi.org/10.47760/cognizance.2022.v02i06.002.

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The Assam economy represents a unique example of poverty amidst plenty. In spite of being richly endowed with natural resources, the State lags behind the rest of India in many aspects. The cultivation in Assam is inundated by several problems; some of them are natural and some others are manmade. In this context, some of the major issues directly relating to the agricultural sector are small and fragmented land-holdings, lack of quality seed and planting materials, limited use of fertilizers, natural disasters, limited irrigation facility, lack of mechanization, disease and pest problems etc.

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Hillary, Anikeze Nnaemeka, and Nkiruka Celestina Udenta. "Democratic Leadership and Sustainable Development Goal Two (Zero Hunger) in Enugu State, Nigeria." NEWPORT INTERNATIONAL JOURNAL OF CURRENT ISSUES IN ARTS AND MANAGEMENT 4, no. 1 (2024): 32–39. http://dx.doi.org/10.59298/nijciam/2024/4.1.323913.

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This study investigated democratic leadership and sustainable development goal two of zero hunger in Nigeria.The study is limited in scope to examining the impact of democratic leadership on sustainable development goal two (zero hunger) in Uzo Uwani, Nkanu West and Agwu Local Government Areas of Enugu State from 1999 to 2023. The specific objectives of the study included to; examine the impact of democratic leadership on food security in Uzo Uwani, Nkanu West and Agwu Local Government Areas of Enugu State, ascertain the impact of democratic leadership on food availability and determine the fa

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