eChapters

In the vast landscape of research methodologies, case study research stands as a compelling and multifaceted approach, allowing researchers to delve into the intricacies of a phenomenon, event, or context. The richness and depth offered by case studies make them invaluable tools for exploring complexities that may elude traditional research methods.

Introduction

Global population growth has led to an increase in demand for energy, food, and other essentials, resulting in an increase in agricultural land. Poor farming techniques, urbanization, and a lack of soil management measures have negative consequences for agricultural soils, such as reduced soil fertility, migration of soil organisms, and loss of soil microbiota and ultimately loss of soil health(Mehmood et al., 2020; Omotayo and Babalola, 2021; Syed et al., 2022). In addition, fertilizers used in agriculture have an impact on soil quality and health. Soil fertility is defined as the ability of a soil to meet the physico-chemical and biological requirements of a plant for growth, reproduction and quality, taking into account plant and soil type, land use and climatic conditions (Abbott and Murphy, 2007; Tyagi et al., 2019).

India has achieved a commendable position of being the highest milk producing country in the world. Nearly 110 million tons of milk per annum is contributed by small and marginal farmers having 2-3 milch animals which are scattered in lakhs of villages across the length and breath of India. The poor socio-economic conditions are serious constraints in producing raw milk of good quality. The quality of milk is further deteriorated during subsequent handling and transportation. Milk being a product of biological origin, is extremely vulnerable to attack by microbes. It is also a good vehicle for additives and adulterants without any apparent changes in its appearance. Thus, milk is susceptible to several post-secretion changes, some natural and some man-made.

Indian dairy industry faces a mammoth task to meet the world quality standards, particularly in the present context of globalization and increasing quality conscious consumers. In view of the highly perishable nature of milk soon after it is secreted, it is important to monitor its quality by having a firmly installed quality assurance programme along the entire production-to-supply chain. This can be possible with application of sensitive, accurate and rapid methodologies as a tool in quality assurance programmes.

Quality comprises of several attributes ranging from physical, chemical, technological and bacteriological through nutritional to aesthetic. All dairy plants have a quality assurance laboratory (Fig. 8.1) and usually follow chemical quality control with the intention of payments to contractors/producers, processing of milk and meeting mandatory requirements for end products. Quality is judged both by objective and subjective tests.

Introduction

Food is a resource of vital importance and its safety in the whole chain, from producer to consumer, is a worldwide concern. In fact, as food trade expands throughout the world, food safety has become a shared concern among all consumers. This issue began to be taken seriously at a period where there is a significant increase of illness caused by infected food in both developed and developing countries. Unsafe food contains hazardous agents or contaminants that can make people sick, immediately or by increasing their risk of chronic disease. Contaminants can enter food at many different points in the food production process, and can occur naturally or as the result of poor or inadequate production practices. International competitiveness depends more on quality and safety concerns than on prices. Governments and local authorities intervene in the market place in setting technical regulations; and sanitary and phytosanitary measures. This encouraged food processing companies around the world to implement food safety management systems which guarantees the production and distribution of safe foods. Prerequisite Programs (PRPs) are considered as the integral part of food safety standards and audit schemes all over the world. It is essential to implement food safety programmes in every company to check the chances of illness or injury due to unsafe food.

Fats are rich sources of energy. Fats provide 2.25 times more available enrgy than carbohydrates. Fats also increase the palatability and reduce the dustiness of feed. Fats and fatty acids decrease the heat increment in the body. Fatty acids are also involved in number of physiological functions of the body. Recently, considerable interest has been shown on studies pertaining to dietary supplementation of polyunsaturated fatty acids (PUFA) in animal feed and their role in animal health and production.

Maize (Zea mays L.) is the third most important grain crop in India after rice and wheat with respect to area and production. It has wide ecological adaptability and is grown in almost all parts of the country extending from extreme semi-arid to sub-humid and humid regions. The crop is also popular in low and mid-hill areas of Western and North Eastern regions. It has the highest yield potential and used as human food, animal feed and as a source of large number of industrial by-products. Hence, it is called as “Queen of cereals”. In India, about 59% of the total production is used as feed, while the remaining is used as industrial raw material (17%), food (10%), exports (10%), and other purposes (4%).

Tamil Nadu has a total geographical area of 13 million hectares with a coastal line of 922 km and is endowed with 3 per cent of water resources of the country. Out of 13 million hectares of geographical area, the cultivable area in Tamil Nadu is around 7 million hectares and 55 per cent of which is dryland. The State has gross irrigated area of 33.94 lakh ha out of which 79% is under food crops and 21% is under non-food crops. In Tamil Nadu, maize was grown in an area of 0.14 lakh ha during 1970-71 with the annual production of 0.16 lakh tonnes, mainly concentrated in Tanjore, Pudukkottai and Trichy districts. Due to rapid increase in the demand of maize for poultry and animal feed, industrial uses and introduction of high yielding varieties and hybrids, the area under maize has gone up to 3.8 lakh ha with the production of 22.45 lakh tonnes during 2013-14. The major maize growing districts are Perambalur, Tuticorin, Dindigul, Erode, Karur, Ariyalur, Salem and Southern districts of Tamil Nadu. The demand and production of maize is increasing more rapidly as compared to other major commodities. It is estimated that the demand for maize will continue to increase in coming days (Yadav et al., 2016). Thus, in the next 10 years there is a necessity and opportunity for doubling India’s maize production from the current level of approximately 26 million MT.

Baking is no different from any other area of cooking, and as in other sectors only the best and the freshest raw material can guarantee good results. So selection of right kind of ingredients is of utmost importance. Another basic need of a professional baker and confectioner is to purchase the equipment required. The design and size depends upon the volume of sale expected. So in this chapter we are going to learn about the ingredients required for running a bakery.

Introduction
Understanding the diversity, distribution, and habitat preferences of fish species is crucial for devising effective conservation strategies for fisheries resources. Fish distribution patterns are influenced by factors such as dispersal mechanisms, environmental tolerance, and historical factors, while aquatic organisms are directly impacted by variables like climate, land use, geological features, vegetation, topography, and water chemistry fluctuations (Carter et al., 1980; Wiley et al., 1997). Fish represent the most abundant class of vertebrates, comprising nearly half of all vertebrate species globally, with diverse characteristics in terms of size, biology, morphology, and habitat preferences (Kour et al., 2015). Freshwater ecosystems, which account for 68.7% of the world's cold water fisheries, are particularly significant, especially in regions like the Himalayas, where they support vital aquatic life and offer economic opportunities through aquaculture (Fricke et al., 2023). Cold water fish species, predominantly belonging to the Cyprinidontiformes order, are particularly abundant and important in these ecosystems (Fricke et al., 2023). The biological diversity of the planet, including its freshwater ecosystems, has long been a subject of fascination and study (Joshi et al., 2013). India is ranked ninth in the world for freshwater biodiversity, with over 2,500 fish species, 930 of which are unique to freshwater environments. India has been recognized as one of the mega-diversity countries of the world (Mittemeier and Mittemeier, 1997; Jayaram, 2010). The Himalayan region alone contributes approximately 17% of India's fish population (Ghosh, 1997). This chapter aims to comprehensively understand the diversity, distribution, and habitat preferences of fish species in the Kashmir Valley. By examining key factors influencing fish distribution patterns—such as dispersal mechanisms, environmental tolerance, climate, land use, geological features, vegetation, topography, and water chemistry—we seek to develop effective conservation strategies for fisheries resources. Given the significance of freshwater ecosystems, especially in cold-water regions like the Himalayas, this study will shed light on the ecological and economic importance of these habitats. Additionally, by documenting the diversity and distribution of fish species in the Kashmir Valley, this chapter aims to contribute to the broader understanding of freshwater biodiversity, inform conservation policies, and support sustainable management practices for India's rich fisheries resources.

Phytobiotics are plant derivatives such as herbs, plant extracts or spices and have a wide range of activities such as stimulation of feed intake, growth and endogenous secretions in the gut. They act as immunomodulators resulting in decreased mortality and also have coccidiostatic, anti microbial, anthelminthic and anti-inf lammatory activities. Phytobiotics also possess hepatoprotective and hepatogenic properties, which tone up liver resulting in increased nutrient utilization and better performance. Herbs like Achyranthes aspera (Prickly Chaff Flower, Devil’s Horsewhip, Apamarga), Andrographis paniculata (Green chirayta, King of bitters, Kalamegha), Azadirachta indica (Neem), Boerhaavia diffusa (Spreading Hogweed, Punarnava), Eclipta alba (False Daisy, Bhringaraj), Ichnocarpus frutescens (Black creeper, Utpalagopa), Terminalia chebula (Black myrobalan, Haritaki). These herbs have hepatostimulant, hepato-protective, immunomodulatory and antioxidant activities (Sadekar et al., 1998; Manu and Kuttan, 2009; Michels et al., 2011, Dash et al., 2007). Further, they optimize digestion and metabolism resulting in better protein utilization, improved mucosal function and reduced cost of metabolic deamination. Andrographolide and 14-deoxy-11, 12-didehydro-andrographolide isolated from Andrographis paniculata inhibits free radical activities and lipid peroxidation. Inhibition of lipid peroxidation in meat prevents free radical production thereby preserving meat composition, colour and improvement in shelf life. In addition, it has been studied that a herb Terminalia chebula helps to reduce stress (Selvakumar et al., 2007).

1. Introduction

Viruses are a unique group of infectious agents. They are distinct in their simple, acellular organization; however, they are the connecting link between live and dead. Viruses are also the perfect example of obligate intracellular parasitism. Despite their simplicity, plant viruses are extremely important and drawn attention of researches because they can be used as model to study the disease establishment and progression mechanism, reproduction inside the host and trilateral host-virus-vector relationships. Their small genome also gave liberty to extensively understand the genome evolution caused by the genetic exchange or recombination. As a consequence, this will help in the development of facile methods for management and control of new emerging viruses and their strains.

This chapter is written for the beginners and students of virology subject to provide the fundamental knowledge about the origin, history of plant virology, the general features of plant viruses, their structure, shape and size, mode of spread and development of their management strategies. Besides this, the new development of non-conventional methods for developing virus-resistance in plants has also been explained for enhancing the quality and production of commercial crops in the country.

The state of Madhya Pradesh is one of the high profile maize growing state of the country cultivating maize in about 11.32 lakh hectare area which is ~12% of the total maize area of the country having 90-95% of total maize area having rainfed. Madhya Pradesh is situated in heart of India between 17°-26° N latitudes and 74°-84° E Longitude. The rainfall in maize growing belt varies from 800 to 1600 mm. Due to erratic and uneven rainfall in the state, the production and productivity of maize fluctuates every year. Maize cultivation in the area is associated with resource poor tribal farmers. As the demand for maize is growing globally due to its multiple uses for food, feed and industrial uses, we need to produce more from same or even less resources, which can be achieved through targeting technologies in potential regions.

Besides, monsoon crop due to mild winter conditions the climate allows the cultivation of maize during winter successfully under assured irrigation conditions. At present about 50 thousand ha area is under Rabi cultivation with high productivity levels as compared to monsoon crop. However, the major area increase was achieved during past few years mainly due to adoption of hybrids and shift in acreage under non-traditional areas, replacing soybean crop on farmers field. Uncertain climatic conditions and more disease and pest problem lead farmers to adopt maize in place of soybean.

The trends in area production and productivity of maize in Madhya Pradesh has shown a remarkable increase during four decades. During 1966-67 the maize acreage in the state was very less (5.59 lakh ha) that has grown up by 11.32 lakh ha in 2014-15. Moreover, the productivity also increased dramatically from mere 811 kg/ha during 1966-67 to 1513kg/ha in 2014-15.

Technology transfer (TT) is entering a transformative phase shaped by globalization, digitization, and the growing role of start-ups in the innovation ecosystem. Traditional linear models of TT where inventions flowed from academic laboratories to industry through licensing are being replaced by dynamic, multi-directional, and collaborative frameworks. This chapter explores emerging trends that will define TT in the coming decades, including open innovation platforms, digital TT ecosystems powered by artificial intelligence (AI) and blockchain, the rise of entrepreneurial start-ups and spin-offs, internationalization of TT through cross-border collaborations, and sector-specific shifts driven by 5G, biotechnology, drones, and green energy. Drawing from global and Indian contexts, the chapter highlights how universities, governments, and industries can leverage these trends to build inclusive, resilient, and sustainable innovation ecosystems.
Three global shifts which will redefine TT
1. Digitization of knowledge: With AI, big data, and blockchain, knowledge and IP can be shared, tracked, and commercialized faster and more transparently.
2. Entrepreneurial ecosystems: Start-ups, incubators, and accelerators are replacing traditional firms as vehicles of commercialization, particularly in deep-tech and frontier technologies.
3. Globalization of innovation: Challenges such as pandemics, climate change, and food security require cross-border TT collaborations, making TT an instrument of both economic and geopolitical significance.

Introduction

The optimum soil pH for plant production is one that is slightly acidic, at this pH soil microorganisms are most active and plant nutrients are readily available. At extremes of high (alkaline) and low (acidic) pH this delicate balance is disturbed and plant nutrients that were in adequate supply can become either deficient or toxic to plant growth. Some essential nutrients such as phosphorous, calcium, magnesium and molybdenum become unavailable if the soil pH becomes too acidic. Acidic conditions will result in a lowering of plant production in farming systems. This will result in reduced profitability and an increased reliance on fertilizers to sustain any form of productive agriculture. Correcting soil pH to a more favorable pH range will increase the availability of essential nutrients.

From the farmer deciding when to sow seeds to the traveler planning their journey, from the pilot navigating the skies to the energy provider managing demand, the state of the atmosphere profoundly influences our daily lives and myriad human activities. The ability to anticipate future atmospheric conditions, a practice we know as weather forecasting, is therefore not merely an academic pursuit but a practical necessity (Fig. 11.1). This chapter will look into the fascinating world of weather forecasting, exploring its historical roots, the fundamental scientific principles that underpin it, and the sophisticated tools and techniques employed by modern meteorologists. We will journey through the process of observing the current state of the atmosphere, the computational power used to model its complex dynamics, and the various ways forecasts are disseminated and interpreted. Understanding the science behind weather forecasting empowers us to appreciate its capabilities and limitations. It allows us to make more informed decisions in the face of an ever-changing atmospheric environment. Join us as we unravel the methods used to predict the weather, from simple observations to cutting-edge numerical models, and gain insight into the continuous advancements shaping the future of this vital scientific discipline.

Seed yield is the foremost important attribute and is the end product of many complex component characters which singly or jointly influence the seed yield. Seed yield does not possess gene per se as such. It is the interaction phenotype of the harmonious understanding, mutual adjustment and manifestation of its component characters. As most of the component characters are polygenic, they are greatly influenced by the environment. So, the selection of genotypes based on yield as such is not likely to be effective. The information on the strength and direction of association of the component characters with seed yield and also among themselves will be very useful in formulating an effective breeding programme for seed yield improvement in a given time. Correlation studies provide about the magnitude and direction of genetic association between the seed yield and its component characters.

Correlation coefficients provide the measure of association between two characters. But, they do not provide the causal basis of such association. Further, correlation between seed yield and its component characters are often misleading due to the inter-relationship that exist among the component characters and the operation of size symmetry and component compensation that thwart the breeding progress. The direct contribution of each component to the seed yield and the indirect effects it has through its association with other components cannot be differentiated from mere correlation studies. This is how, it became necessary for a plant breeder to have information on the direct and indirect effects of these components on the seed yield to identify the key characters for improvement.

Crop protection research has brought out tangible and effective methods to suppress various pests in major agro-ecosystems. Indigenous knowledge in this regard has been tested and validated for its suitability.

Among the 137 Phytophthora isolates collected from bud rot/fruit rot affected coconut gardens in Tamil Nadu, Kerala and Karnataka, four isolates from bud rot affected gardens were identified as P. nicotianae and one as P. capsici. Since, P. nicotianae is found associated with bud rot disease of coconut in three districts representing three states, it is expected that this may emerge as a major pathogen of coconut. Further, placing Trichoderma coir pith cake in the innermost leaf axils of coconut palm in disease endemic areas just before the onset of southwest monsoon (May-end) and thereafter at two months interval was found to be very effective in the management of bud rot disease of coconut.

2.1. Introduction

The word ‘plastic’ is derived from the Greek word ‘plastikos’, which means easily shaped or molded. Plastics is defined as a random set of materials based on synthetic or modified natural polymers which can be formed by thermal and pressure treatment. It comprises of wide range of macromolecular organic compounds obtained either from alteration of natural macromolecules or polymerization of molecules of lower molecular weight.

Introduction

We have now started to feel the impacts of climate change, as a threat to our health, directly as heat stress on our bodies, and indirectly as it damages crops, and causes storms, floods and wildfires (IPCC, 2022). People working in fields or factories, or in the open, suffer the most. Buildings are our first defense as we learn to adapt to these changes. Resilient buildings that provide passive cooling can protect us better from heat waves, buildings designed to withstand storms and f loods can provide better shelter, and net-zero buildings that produce and store their own energy can enable critical operations when the electric grid is down.

8.1. Introduction

Sometimes writing reference list could be so confusing since there are a lot of different rules. Each universities or even each faculty use different rule in writing reference list. The different rule of writing reference list is normal because they refer to different style guide. There are a lot of styles guide available. MLA (Modern Language Association of America) style; the Chicago Manual of Style; the Oxford Guide to Style are some examples of style guide. Difference reference of style guides chosen will result in totally different way of writing reference list. The most widely accepted style guides in social science is the APA (American Psychological Association) style. In some higher education journals (e.g. Journal of Studies in International Education, Higher Education) it is stated clearly that author must submit their paper according to APA style. Referencing in a general sense means to give credit to someone for using his or her own ideas or thoughts in a research activity. Referencing helps in gaining the originality of the ideas and thoughts used in the research activity. Failure to reference is treated as disrespect to the original author or writer and seen as a major misconduct in the area of academic research writing. Generally students made the mistake of not mentioning proper referencing at the end of their research projects, essays or any other piece of work. This may lead to cancellation of the written matter. If we do not reference properly the written matter is treated as if it is copied from somewhere. The research paper or material cannot be submitted for further research or reading purpose. We find a lot of data when we search for something.

Seed quality is a multiple criterion that encompasses several important attributes. A seed scientist may be concerned with each quality characteristic of an individual seed while the seed trader normally considers the quality components of a seed lot. Any individual seed may possess certain measurable seed quality components which include: