The Organic fertilizer improves physical, chemical and biological activities of soil and inorganic fertilizer is usually immediately and fast containing all necessary nutrients that are directly accessible for plants. The objective of the present review is to assess the integrated organic and inorganic fertilizers on growth and yield of some selected cereal and tuber crops. The treatments included some selected combinations of organic and inorganic nutrient sources including farm yard manure, Compost, poultry manure and NPK application. Some experimental results showed that wheat, Maize, Teff, Potato, Carrot yield, yield components and soil Physico-chemical properties were significantly affected by the integration of organic and inorganic fertilizer sources. The highest Teff grain yield (3144.8kg ha-1) and biomassyield (12562.5kg ha-1) were obtained from the applications of half doses of vermicompost(4.8tha-1) which is based on recommended N equivalent and half doses of the recommendednitrogen and phosphorus fertilizers (34.5kg ha-1N and 30kg ha-1P that half dose contains)followed by 2846 kg ha-1and 11833.3 kg ha-1for grain yield and biomass yield, respectively.The preharvest organic and urea treatment significantly (P<0.05) affected the yield of carrot and the highest yield (11.33tha-1) of carrot was obtained due to preharvest organic and ureatreatment at the rates of 309 and 411kg/ha respectively while the lowest yield was recorded in the control treatment (4.9tha-1). The highest total tuber yield was attained in response tothe combined integration of the three fertilizers at the highest rates (120 kg N ha-1 + 92 kgP2O5 ha-1 + 30t CM ha-1).The lowest total tuber yield was recorded on plots without anyfertilizer application. Hence, the highest total tuber yield was about 3.6 fold higher than the lowest total tuber yield. Therefore, the results of seminar review revealed that integrated of inorganic and organic fertilizers could be the best strategy to mentain soil fertility and to enhance production of cereal crop and tuber yield crops.
Table of Contents
1. INTRODUCTION
1.1. Background of Review
2. LITERATURE REVIEW
2.1. USES OF FERTILIZERS
2.1.1. Organic and Inorganic Fertilizer
2.1.2. Organic fertilizer
2.1.2.1. Sources of Organic Fertilizer and their Role on Soil Physical and Chemical Properties
2.1.3. Inorganic fertilizer
2.1.3.1. Sources of Inorganic Fertilizer and their Role on Soil Physical and Chemical Properties.
2.1.3.2. Macro-Nutrient
2.1.3.3. Micro-Nutrient
2.1.3.4. Mixed fertilizers (blends)
2.1.4. Organic matter
2.1.4.1. Manure
2.1.4.2. Compost and Vermicompost
2.1.4.3. Crop Residue
2.2. Integrated use of Inorganic and Organic Fertilizers
3. INTEGRATEDUSE OF ORGANIC AND INORGANIC FERTILIZER ON SOIL FERTILITY AND CROP PRODUCTION
3.1. Integrated use of Organic and Inorganic fertilizer on soil fertility
3.1.1. Integrated use of Organic and Inorganic fertilizer on Soil Physical Property
3.1.2. Integrated use of Organic and Inorganic fertilizer on Soil ChemicalProperty.
3.2. Effect of Organic and Inorganic Fertilizers and their Integration on Seed Germination and Growth
3.2.1. Soybean and Wheat
3.3. Effects of integrated use of Inorganic fertilizers and organic fertilizers on crop production and crop yield.
3.3.1. Potato tuber
3.3.2. Carrot
3.3.3. Rice
3.3.4. Maize
3.3.5. Teff
4. CONCULUSION
5. PRORPECTS
6. REFERENCES
Research Objectives and Core Themes
This review aims to evaluate the efficacy of integrating organic and inorganic fertilizers as a strategy to enhance soil fertility and optimize the production and yield of specific cereal and tuber crops in Ethiopia. The work investigates how these nutrient sources interact to improve soil physical, chemical, and biological properties, ultimately seeking to mitigate soil fertility depletion and boost agricultural productivity.
- Integrated Nutrient Management (INM) strategies
- Soil fertility and physico-chemical property enhancement
- Impact of fertilizer integration on seed germination and early growth
- Crop yield optimization for wheat, maize, rice, teff, potato, and carrot
- Sustainability and environmental implications of fertilizer use
Excerpt from the Book
3.1.1. Integrated use of Organic and Inorganic fertilizer on Soil Physical Property
The integrated use of inorganic fertilizer along with organic fertilizer (100% NPK + FYM) improved soil physical conditions such as bulk density, total porosity, water holding capacity, CEC and pH (Brar et al, 2015). Despite the fact that texture is an inherent soil property, management practices may have contributed indirectly to the changes in particle size distribution particularly in the surface layers as result of removal of soil by sheet and rill erosions, and mixing up of the surface and the subsurface layers during continuous tillage activities (Tilahun, 2007). It can also be stated that the effect of soil tillage on soil particle size by Gülser et al. (2016) reported that heterogeneity and variation of soil physical parameters in a field due to soil plowing should be taken into consideration for a successful agricultural management. Therefore, differences in particle size distribution, which can be attributed to the impact of deforestation and farming practices such as continuous tillage or cultivation and intensive grazing (Tilahun, 2007).
Organic matter intimately mixed with mineral soil materials has a considerable influence in increasing moisture holding capacity (FAO, 2005). Soil organic matter is able to store a quantity of water which corresponds to a multiple of the organic matter’s weight (Esmaeilzadeh and Ahmad, 2014). Water holding capacity of any soil is determined by its texture, structure, and the amount of organic matter it contains. Olorunfemi and Fasinmirin (2017) from their findings reported that soils having high proportion of sands are associated with low Water holding capacity.
Summary of Chapters
1. INTRODUCTION: Provides the background and context of soil fertility challenges in Ethiopia and justifies the need for integrated nutrient management.
2. LITERATURE REVIEW: Examines the theoretical aspects of organic and inorganic fertilizers, their sources, roles, and the benefits of their integrated application.
3. INTEGRATEDUSE OF ORGANIC AND INORGANIC FERTILIZER ON SOIL FERTILITY AND CROP PRODUCTION: Discusses the empirical evidence regarding the impact of fertilizer integration on soil properties, seed germination, and the specific yield outcomes for various crops.
4. CONCULUSION: Summarizes the findings, affirming that integrated nutrient management is a viable strategy for maintaining soil fertility and enhancing crop productivity.
5. PRORPECTS: Outlines future research needs and emphasizes the potential for adoption of integrated practices by Ethiopian farmers.
6. REFERENCES: A comprehensive list of academic sources consulted for this seminar review.
Keywords
NPK fertilizer, Organic matter, Vermicompost, Manure, Soil fertility, Integrated Nutrient Management, Crop yield, Ethiopia, Agricultural productivity, Soil physical properties, Soil chemical properties, Sustainability, Nutrient use efficiency.
Frequently Asked Questions
What is the core focus of this review?
The review focuses on the integrated application of organic and inorganic fertilizers as a sustainable method to maintain soil fertility and boost the production of selected cereal and tuber crops in Ethiopia.
What are the central themes discussed in the paper?
The central themes include nutrient management strategies, the physical and chemical improvement of soil properties, and the comparative analysis of sole versus integrated fertilizer application on plant growth and yield.
What is the primary objective of this research?
The primary objective is to assess how the combined use of organic and inorganic nutrient sources affects the growth, yield, and soil quality for crops like maize, teff, and potato, thereby determining if this integration is superior to single-source fertilization.
Which scientific methods are primarily analyzed?
The paper utilizes a literature review methodology, synthesizing various field experimental results and academic studies regarding nutrient management, soil science, and crop performance metrics.
What is covered in the main body of the work?
The main body covers the definitions and roles of organic and inorganic fertilizers, detailed analyses of soil physical and chemical responses to these fertilizers, and specific case studies detailing yield impacts on crops such as rice, wheat, maize, teff, potato, and carrot.
Which keywords best characterize this research?
Key terms include Integrated Nutrient Management, Vermicompost, Manure, Soil Fertility, NPK fertilizer, and Crop yield optimization.
How does vermicompost differ from farmyard manure in the context of this review?
Vermicompost is identified as a nutrient-rich organic fertilizer containing higher levels of bioavailable macro and micronutrients compared to traditional farmyard manure, often providing a superior environment for seed germination and plant growth.
What does the study conclude regarding the role of inorganic fertilizers in long-term agriculture?
While inorganic fertilizers provide immediate nutrient access for rapid plant growth, the study emphasizes that their over-application can lead to soil degradation, making their integration with organic matter essential for long-term sustainability.
- Quote paper
- Workina Geleta (Author), 2022, Review on integrated uses of Organic and Inorganic Fertilizers on Soil Fertility and some selected Cereal and Tuber Crop Production in Ethiopia, Munich, GRIN Verlag, https://www.grin.com/document/1173871
