Masterarbeit, 2018
46 Seiten, Note: 8.5
This work investigates the effects of integrated nutrient management (INM) on the growth and yield of maize (Zea mays L.). The study examines the impact of different nutrient sources, including organic manures, chemical fertilizers, and biofertilizers, on key aspects of maize production.
Chapter 1 provides an overview of maize's importance as a cereal crop and highlights the significance of nutrient management for maximizing its productivity. The chapter discusses the nutritional requirements of maize, the benefits and limitations of chemical fertilizers, and the growing interest in integrated nutrient management approaches.
Chapter 2 reviews existing literature on various aspects of nutrient management for maize, including the use of organic manures, biofertilizers, and chemical fertilizers. This chapter delves into the mechanisms by which different nutrient sources influence maize growth and yield, as well as their impact on soil properties.
Chapter 3 outlines the materials and methods used in the study, describing the experimental design, the treatments applied, and the parameters measured. This section provides detailed information on the experimental setup and data collection procedures.
Chapter 4 presents the experimental findings obtained from the study, analyzing the effects of different nutrient management strategies on key indicators of maize growth and yield. The chapter examines the data collected and draws preliminary conclusions about the relative effectiveness of different treatments.
Integrated nutrient management, maize, organic manure, chemical fertilizer, biofertilizer, soil health, nutrient use efficiency, crop growth, yield, sustainability.
INM is a strategy that combines organic sources (manure), inorganic sources (chemical fertilizers), and bio-fertilizers to achieve optimum crop production while maintaining soil health.
Organic manure improves the physical and biological properties of the soil through mineralization, providing essential macro and micronutrients and building up soil organic matter.
Bio-fertilizers contain living organisms that fix atmospheric nitrogen and solubilize phosphorus, stimulating plant growth through growth-promoting substances.
While chemical fertilizers provide nutrients in easily available forms, poor management can deteriorate soil health. Combining them with organic sources sustains long-term productivity.
Yes, studies have shown that the use of nitrogen fixers like Azotobacter can lead to a 20-29 percent increase in crop yield.
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