eChapters

Every practical problem need not have a documented solution. Most of the times to solve a practical problem, we need to apply our experience, creativity and experiment with the novel solutions in order to address the problem which have no readymade solution. Under such circumstance, we will apply our knowledge and experience in selecting, planning, experimenting and evaluation of the possible solutions. This type of problem solving approach involves action research.  Action research is a type of social research that aims at gaining an insight into the problem by learning from experiences gained in an effort to solve the problem. Here, action itself is a source of knowledge.

8.1. Introduction

Food packaging’s essential functions is to protect the food from hazardous compounds, and contaminant. In order to improve the shelf life of food commodity, smart packaging like active and intelligent packaging has been developed which can monitor freshness, display information of quality, and improve food safety. More precisely, smart packaging was defined by Smart Packaging Journal as “the use of features of high added value that enhance the functionality of a product, notably mechanical, electronic and chemical features that improve safety and efficiency”. The major concerns with traditional packaging are not only shelf life of packaged food, but also the inability of packaging material to convey the important information about quality changes to both customer and manufacturer. 

Abstract

The paper presents findings of a field study to determine the agricultural and socio-economic impact of climate change on the mountain farmers’ apple economy. The study investigates the positive and negative effects of climate change on mountain farmers’ economy. It revealed how mountain farmers in a valley were forced to abandon apple farming which destroyed their farm economy and at the same time how same climate change brought new economic opportunities. The study findings also indicate that opportunities brought by climate change seem to have a time scale. This research attempts to piece together evidence and aims to enhance our understanding of climate change impacts as observed by farming communities at very local levels. The growing threat of global warming and its effects and prevailing obscurities about the future of agriculture are all addressed in this investigation.

Adoption

Adoption is a decision to make full use of an innovation as the best course of action available.

Steps in adoption process

Ryan and Gross (1943) were probably the first to recognize that the adoption of a new idea consisted of stages. They distinguished between awareness of hybrid seed cron conviction of its usefulness, trial acceptance and complete adoption of the innovation.

Adoption is essentially a decision making process. According to Johnson and Haver (1955), decision making involves the following steps.

In rural development, the sole aim is to transfer the technology for better living of people. The process by which the technology is transferred to users is called Transfer of Technology. Transfer of technology falls in the domain of adoption and diffusion. Therefore, it is necessary to understand adoption and its related issues. Adoption of sustainable agricultural practices is relatively difficult as people do not find newness in it. The transfer of technology is explained in terms of technology movement from place of generation to the hands of the users.

Introduction

Rice is considered as the most important crop of India both in terms of area as well as value of output. It is estimated to contribute about 2.5 per cent of Gross Domestic Product (GDP) of India and provides employment to a large work force in crop production and in paddy processing.

According to Reinsurance Company ‘Munich Re (2001), costs associated with natural disasters has gone up 14 fold since the 1950. Every year from 1991 to 2001, an average of 211 million people in the world were killed or affected by natural disaster. Described as one of the “Worst Disasters” in recent history the Tsunami travelled 4,500 km across the Indian Ocean in a period of about seven hours causing damage to twelve countries including Sri Lanka, India and Thailand most dramatically impacted, The FAO estimates that in the countries hardest hit by the disaster (Indonesia, Sri Lanka, Maldives, India and Thailand), a total of 47,000 ha of agricultural land has been damaged (FAO, 2005).

Introduction

The most significant commercially grown fruit crop in the country is the mango (Mangifera indica L.), which belongs to the Anacardiaceae family. It’s known as the “king of fruits.” Mango cultivars can be found in the greatest variety in India. Mango farming is thought to have begun in South East Asia. Since about 6,000 years ago, mango has been grown in south Asia.Mango is native to South Asia, from where it has been distributed worldwide to become one of the most cultivated fruits in the tropics.

The major mango-growing states are Andhra Pradesh, Uttar Pradesh, Karnataka, Bihar, Gujarat and Tamil Nadu. Andhra Pradesh rank 1st in area, whereas Uttar Pradesh rank 1st in production and productivity. Andhra Pradesh, Uttar Pradesh, Bihar, Karnataka, Maharashtra, West Bengal and Gujarat together contribute for about 82% of the total production in India.

India to become the second largest fruit producer in the world, after china, with a production of 102481 thousands metric tonnes of fruits from an area of 6930 thousands hectares in 2020-21.The fruit is grown in India, the total area under mango cultivation was 2317 thousand hectare with an annual production of 20386 thousand metric tonnes.(NHB 2020-21).

Mango is well adopted in tropical and sub-tropical climates but it can be grown up to 1,100 meters above sea-level. There should not be humidity, rain or frost during flowering. The temperature between 24 and 270C is ideal for its cultivation. Higher temperature during fruit development and maturity gives better quality fruits. The areas expressed frequent showers and high humidity is prone to many pests and diseases. Thus it can grow best in regions with a rainfall between 25cm and 250 cm. Regions having bright sunny days and moderate humidity during flowering is ideal for mango growing.The farmers 92.20 per cent had problems of pests in their mango trees. The most common pests were the mango seed weevil 48.10 per cent, fruit fly 36.40 per cent, trips 1.30 per cent, aphids 1.30 per cent and the most common diseases were the powdery mildew 46.80 per cent, anthracnose 18.20 per cent and scab 2.60 per cent (Gitonga,2010).

Theworld fashioned and occupied by three fourth of the water. Fisheries activities are an indispensable part in the life and livelihood of the peoples. Aquaculture is the most important role for the upward economic strengthening and social mobility. Most of the inland fish farmers are poor due to lack of financial resource. Because of the poor production through the inland fish culture, the most of the farmers in Tamilnadu are undertaking composite fish culture technology. Demand for fish is rapidly increasing due to the growing population and awareness about the superiority of fish to other meats. The marine and freshwater sectors growth were 2.5 and 8 per cent respectively (Ayyapan and Diwan, 2004).

Introduction

Among the various vegetable crops, tomato (Lycopersicurn esculentum) is one of the important and popular vegetable and plays an important role in balanced nutrition and hence it is called as `poorman’s orange’. Tomato fruits can be seen in the market round the year. In India, tomato occupies an area of 2,90,279 ha with the productivity of 15.85 t/ha and production of 46,03,446 tonnes (www.nhb.gov.in). Among the different districts of Tamil Nadu, Salem district has an area of about 6311 hectares under tomato with 17,359 tonnes of production. Pest management is one of the important dimensions in cultivating tomato crop that needs significant attention. The objective of pest management technologies are maximize pest control in terms of overall economical, social and environmental values. In order to restore ecological balance, it is necessary to integrate all the available pest management techniques in the most compatible manner with the least use of chemicals which is the principle of pest management. ‘Pest management technology’ utilizes all suitable techniques and methods in a compatible manner as possible and maintains the pest population below their economic injury levels given by Bikramjit et al. (2007).

Sustainable agriculture requires sincere attempt by the farmers to be sustainable in their approach. The practices are neither new nor difficult. But the minds of the farmers are so much inclined to inorganic farming that it is not so easy to divert their minds for sustainable agriculture.

1. Introduction

Food is an essential requirement for survival. We work hard to earn money so that we can feed ourselves. However, at the end of the day, many of us are unsure about the quality of food we consume. The allure of money, along with a general disregard for humanity, has resulted in the addition of adulterants to food ranging from simple stones in rice to the more harmful chemicals in food of daily use. Surprisingly, food fraud is not a modern issue. There are several references to fraudulent food behaviour as early as the Romans, but it is usually considered to be the Victorian who places food fraud on the map.

Abstract

Adulteration refers to a process by which the quality or the nature of the given substance is reduced by the addition of foreign or an inferior substance, removal of vital component, packing and storage under harmful conditions, insect infestation, poisonous material, undesirable chemicals and unintentional contaminants. All these change in food whether intentional or unintentional are covered under food adulteration. In cereal grains adulteration results by incidental contamination during the period of growth, harvesting, processing, transport, and distribution and results in various health hazard, sand, marble chips, earth and filth are also adulterants in grains. Pest and pesticides residues are also hazardous.

Introduction

Fruits and vegetables are an important part of healthy human diet. Consumption of vegetables is widely promoted by Governmental health agencies since it provide consumers essential nutrients such as vitamins, minerals, dietary fiber and phytochemical compounds, at a relatively low calorie density. Furthermore, the consumption of vegetables has been strongly associated with reduced chronic and degenerative diseases such as cancer and heart related ailments. The United States Department of Agriculture recommends five to nine servings of fruits and vegetables daily (Berger et al 2010). In recent years, fresh-cut produce has become more popular due to their convenience, freshness, taste and assumed “Healthiness”.

In recent years dietary supplements have gained attractiveness within fitness and wellness circles. The other commonly used terms areNutraceuticals, dietary supplements or wellness-focussed foods. Being highly nutritious they are associated with a number of potential therapeutic effects. Nutrient-rich ingredients like fruits, vegetables, nuts, seeds, and grains are often considered dietary supplements as well. Oats fibre called, beta glucan, which has been shown to reduce inflammation, enhance immune function, and perk up heart health.

1. Conventional and Non-conventional Dietary Supplements

Nutrient-rich foods like fruits, vegetables, and legumes are often considered dietary supplements. Meanwhile, modified foods have been fortified with micro and macro nutrients to boost health benefits of foods.

Advanced marketing of agricultural produce encompasses innovative strategies and technologies aimed at enhancing the efficiency, reach, and profitability of agricultural markets. This approach integrates modern tools such as digital platforms, precision marketing, and data analytics to better connect farmers with consumers and markets. It also emphasizes the importance of value addition, branding, and sustainable practices to meet evolving consumer preferences and market demands. By leveraging these advanced marketing techniques, agricultural producers can optimize their supply chains, reduce post-harvest losses, and achieve higher economic returns, ultimately contributing to a more resilient and sustainable agricultural sector.

Food packaging protects products from physical, chemical, biological and environmental influences while helping to maintain safety, freshness and quality. Advanced packaging systems perform functions beyond simple containment by regulating gases, moisture, temperature and microbial activity. The chapter examines modified-atmosphere, controlled-atmosphere and vacuum packaging, together with active and intelligent systems. Time-temperature indicators, freshness indicators and biosensors enable real-time monitoring of product condition. Edible and biodegradable materials provide more sustainable alternatives to conventional packaging, while nanotechnology can improve mechanical, barrier and antimicrobial performance. Shelf-life modelling and hurdle technology are also considered as tools for designing integrated packaging systems suited to specific foods and storage conditions.

Advanced storage methods of agricultural crops play a pivotal role in mitigating post-harvest losses, ensuring food security, and enhancing the economic viability of farming. These methods encompass a range of innovative techniques and technologies designed to prolong the shelf life of crops, maintain quality, and reduce spoilage. From controlled atmosphere storage and modified atmosphere packaging to cold storage facilities and hermetic storage bags, advanced storage methods offer diverse solutions tailored to different crops and environments. This chapter explores the key principles and benefits of advanced storage methods, highlights notable technologies and approaches, and underscores their significance in addressing the challenges of post-harvest management in agriculture.

As video editing continues to evolve, so do the techniques and software that enable editors to create polished, captivating visuals. Advanced editing techniques like precision cutting, mixing, and using sophisticated software tools allow editors to enhance storytelling, manipulate pace, and shape the emotional experience of their audience. This chapter dives into these advanced techniques, exploring how each tool and method contributes to a compelling final product.
1. The Art of Cutting: Techniques for Seamless Storytelling
Cutting is a fundamental editing skill that determines the pacing, continuity, and flow of a video. Advanced cutting techniques, such as L-cuts, J-cuts, and match cuts, serve as the foundation for creating dynamic narratives.
• Types of Cuts
• L-Cut and J-Cut: L-cuts and J-cuts are used to transition between audio and video in ways that flow more naturally and create smoother  continuity between scenes. These are essential techniques for dialogue-driven scenes or scenes that require seamless transitions between different locations or times.

Electrophoresis

The mobility of ions in an electric field is the basis for the separation method known as electrophoresis. Ions that are negatively charged move toward a positive electrode, while those that are positively charged move toward a negative electrode. Usually, one electrode is biased either positively or negatively, and the other is at the ground for safety reasons. Ions can be distinguished from one another based on their size, shape, and overall charge, which determine their migration rates.

Poly Acrylamide Gel Electrophoresis (PAGE)

Introduction

Electrophoresis is an electrochemical process in which substances with a net electric charge migrate under the influence of an electric current. This migration occurs in an agar gel or a liquid- filled buffered matrix such as cellulose acetate. Positively charged substances travel toward the cathode (negative electrode), while negatively charged substances go toward the anode (positive electrode). Different substances move at different rates depending on their charge. This movement is called electrophoretic mobility.

Proteins are charged molecules. They have a positive as well as a negative charge. Among proteins, particularly caseins, they have different contents. The charge density also varies depending on the molecular weight. Proteins have a net negative charge at a pH above 4.6, and hence they move towards the anode (positive electrode) when subjected to an electric field under alkaline conditions. Due to differences in the charge of individual protein fractions, their migration rates also differ and are hence separated into distinct bands. These bands are stained with the dye amido- black, destained with 7% acetic acid, and observed for the electrophoretic pattern.