eChapters

Coconut is the most important palm of the wet tropics as a  major source of vegetable oil which also provides food, health drink, medicine, shelter, fuel, timber and fibre.  Because of its versatile nature, it is eulogised as ’Tree of Heaven’, ‘Tree of Life’, Kalpavriksha, Tree of Abundance, Natures supermarket and king of palms.  Oil is extracted from dried endosperm  which is called ‘copra’. The unopened flowering spathe, on tapping process, yields a delicious sap (Coconut Inflorescence Sap) rich in sugars and vitamin B, is called toddy from which sugar syrup and many products can be extracted.  An intoxicating drink called arrack can be prepared by distilling fermented toddy. The hard endocarps of fruits supply fuel and charcoal and mesocarp yields fibre for coir industry. Leaves are used for thatching houses.  Young unopened leaves are used to decorate festive places.

Socio-economic impact assessment is an important activity that justifies the implementation and continuation of the project efforts and to enhance the observed ability of the project outcomes. there are several approaches available for assessment of the impact of project interventions. in the present investigation, before or after research design was used for impact assessment.

Socio-economic impact assessment activity, the benchmark survey boss carried out before the initiation of the project. The benchmark survey focused on the socio-economic profile of tribal households in the project area including the landholding, personal profile of the household head, household income, its sources, income source diversity. The survey also focused on the agronomical aspects like the productivity of major crops, cropping intensity and income generation from various farm activities. Further, in the benchmark survey, data was also collected on the aspects related to household food security. The findings of the benchmark survey are presented below.

16.1 Introduction

Food safety is most important issue in today's global environment. To safeguard food supply is a very difficult and challenging responsibility, as a consequence of which the world's largest food companies, retailers, and manufacturers have placed very high food safety standards. Although the safety of food has improved exponentially but progress is uneven and food borne outbreaks due to microbial contamination, pesticides, antibiotics chemicals and toxins are common in many countries. International trade statistics (2007) by World Trade Organization (WTO) reported that Europe has accounted for 46% of world exports of agricultural products, where food represents 80% of agricultural exports. The trading of contaminated food among countries increases the risk for outbreaks and consequently, health risks due to microbial pathogens in food are of major concern to all governments.

Biosensors are an important option in the agricultural and food sectors to control production processes and ensure food quality and safety by dependable, fast and cost effective methods. Biosensors have plenty of advantages over conventional analytical tools since they offer advantages in size, cost, inherent specificity, selectivity, rapid response, accuracy and sensitivity. Food microbiologists are always in search of rapid and reliable automated systems for the detection of biological activity. Biosensors provide sensitive, miniaturized systems that can be used to detect unwanted microbial activity or the presence of a biologically active compound, such as glucose or a pesticide. Immunodiagnostics and enzyme biosensors are two of the leading technologies that have had the greatest impact on the food industry. The use of these two systems has reduced the time for detection of pathogens such as Salmonella to 24 hour and has provided detection of biological compounds such as cholesterol or chymotrypsin. The another useful application for biosensors, is detection of genetically modified organisms (GMO), since several countries have laws regulating the commercialization of GMO products and their derivatives. Biosensors are also useful in the implementation of hazard analysis and critical control points (HACCP) plans by verifying process developments and correcting errors in due time. There is joint application of Biosensor technologies and nanotechnologies in many food and agricultural applications such as the development of nano-scale tools for biosafety, nanoscale compounds for food packaging, and nano-sensors for pathogen detection in animals and plants. These are helpful tools in the detection and control of potential food contaminants by the agricultural and food industries.

Introduction

Oxygen uptake of fish(s) displays its basal metabolic status and is taken into consideration as one of the signs of the overall fitness or/and well-being of the fish. It can also be beneficial to evaluate the physiological state of a living organism, facilitates in comparing the susceptibility or resistance potentiality and additionally beneficial to correlate the behaviour of the animal, which ultimately serve as predictors of functional disruptions of population. Analysis of Oxygen uptake machine to assess the primary harm or demand inflicted at the animal that can both boom or lower the oxygen uptake (Neelima et al, 2016).

The maximum vital single issue in transporting fish is imparting an adequate level of dissolved oxygen. Heavier fish transported in warmer water want more oxygen. For instance, if the water will increase by temperature 10°C (e.g., from 10 to 20°C), Oxygen uptake is roughly doubled.

Respiration of air-breathing fishes has fascinated researchers for a minimum of a century; the earliest attempts to measure oxygen uptake (V? O₂) and respiratory partitioning date to the 19th century (Baumert, 1853). The available general respirometry methods have been explained and reviewed by numerous authors (Cech, 1990; Lighton, 2008; Lefevre et al, 2016; Zhang et al, 2019), and researches of the respiration of air-breathing fishes had been reviewed in element within side the iconic book by Graham (1997). Air-breathing fish are generally characterized by a significant reduction in gill surface area with a purpose to keep away loss of oxygen taken up in the air-breathing organ (ABO) at the site of the gills in hypoxic water (Scott et al, 2017; Pelster et al, 2020).

AI-enabled livestock technologies can improve productivity, health monitoring, animal welfare and environmental performance, but they also raise significant ethical and governance concerns. This chapter examines data ownership, privacy, algorithmic bias, transparency, accountability, cybersecurity, socioeconomic inequality and animal well-being. Precision livestock systems continuously monitor animals through sensors, computer vision, machine learning and IoT networks, enabling preventive decisions and automated interventions. However, excessive dependence on algorithms may reduce human oversight and treat animals merely as data-producing units. The chapter advocates an interdisciplinary framework for responsible AI that aligns innovation with animal-welfare standards, farmer interests, social values, equitable access, regulatory requirements and long-term environmental sustainability.

Introduction

Precision Farming (PF) revolves around the idea that any agricultural land contains wide spatial variations in soil types, nutrient availability, and other important factors. If these variations are not taken into account, then there may be a loss in productivity. Precision farming is one of the most scientific and modern approaches to sustainable agriculture that has gained momentum in 21^st century. Consider the situation: ‘A farmer goes to his/her field with his/her Global Positioning System (GPS) guided tractor. The GPS senses the exact location of the tractor within the field. It sends the signal to a computer on the tractor that has a Geographical Information System (GIS), storing the soil nutrient requirements map in it. GIS, in consultation with a Decision Support System, decides what is the exact requirement of the fertilizer for a given location and then commands a variable rate fertilizer applicator, attached with the tractor, to apply the exact dose at that precise location. All this is done within a second, before the tractor moves further.’ This may sound like an excerpt from a scientific fiction, but this is what precision farming means to the large growers of the United States or European countries and day is not far off when it will be feasible for large Indian farmers as well.

PF refers to a developing agricultural management system that promotes variable management practices within a field according to site or soil conditions. Within a short span of time, this concept has been described with various names viz. farming by soil; farming soil, not fields; farming by the foot; spatially prescriptive farming; computer aided farming; farming by computer; farming by satellite; high-tech sustainable agriculture; soil-specific crop management; site-specific farming; and site-specific crop management.

I. Importance of Growth and Development
• Growth is an irreversible increase in size and evaluated by mass length and height, surface area or volume.
• Growth is produced by cell division in meristem.
• Root and shoot of vascular cambium are meristematic.
• Apical meristem of root and shoot is developed during embryo development.
• Plant growth is determinate (leaves, flowers, fruits) or indeterminate (root, stem).
• Monocarpic species flowers only once and die.
• Polycarpic species after flowering return to vegetative and flower at once before drying.
• Monocarpic annuals – monocarpic species lives for only one year/one season. Eg. Marigold, cosmos etc.

Food Plant Hygiene

A. I.mportance of Food Plant Hygiene:

1. Ensures the Safety and Quality of Food Products: Proper hygiene practices within food processing facilities play a critical role in safeguarding the safety and quality of food products. By adhering to stringent hygiene protocols, including thorough cleaning, sanitation, and preventive measures, facilities can effectively prevent the contamination of food products by harmful microorganisms, chemicals, or physical hazards. This helps minimize the risk of foodborne illnesses and ensures that consumers receive safe and wholesome food products. Additionally, maintaining cleanliness and hygiene in food proce

Onion (Allium cepa) and garlic (Allium sativum) are monocots originating from Asia. These are collectively called as Alliums and formerly classified with the Liliaceae (lilies and relatives). But, now they have been classified in their own family the Alliaceae. The plants ofAlliaceae family are mostly used for seasoning and cooking. Some common crops in the family are bulb onion (Allium cepa), spring or salad onion (A. cepa), bunching onion (A. fistulosum), garlic (A. sativum), leek (A. porrum).

Onions and garlic are prone to several different diseases, especially in wet growing seasons. These often get started on their leaves, and if severe, can reduce bulb growth and yield. Another way onion diseases can cause damage is when they infect bulbs later in the season, which may lead to losses in storage. Some important diseases of onion and garlic are being discussed in this chapter:

Postharvest food loss has been considered an unavoidable affliction since food storage first began. These losses are much more painful and costlier in terms of money and man-hours. Such losses due to plant parasitic nematodes, in particular, is severe in tropical regions especially in developing countries like India, where proper storage, transmit and marketing facilities are inadequate. In tropical agriculture, increase in production rate is generally low and, by itself, unable to keep pace with the requirements of the increasing population. Hence, such food shortage demands the need to reduce postharvest loss due to nematodes. Postharvest food losses also constitute a vast complex of physical and biological changes, which makes it very difficult to represent in a single figure. As suggested by different sources, an overall loss of at least 10 per cent occurs in the developing countries. However, the magnitude may range from negligible to cent percent in particular nematode species and crop.

In addition to causing direct losses individually, phytonematodes also favour the establishment of secondary, passive micro- organisms like fungi, bacteria, viruses etc. Nematodes cause mechanical wounds, which serve as avenue for the entry of secondary microorganisms (Ravichandra, 2008). This complex association results in severe damage to planting material.

Postharvest diseases due to nematodes can be managed through restricting the movement of infected planting material to uninfected areas; use of uninfected, healthy planting materials; use of treated planting materials; improvements in the cultural practices at the growing site; timely and careful harvesting; use of nematicides both at pre- and postharvest stages; employment of some physical means like heat, radiation etc; improved storage techniques and integration of these methods. By maintaining hygienic conditions during harvest, transportation, storage and packing most of the postharvest damage due to nematodes can be minimized. Of all the methods, however, regulatory measures like quarantine is more practical and effective in restricting the movement of nematode infected plant materials and contaminated soil into a state or country. Contaminated plant material should be treated (hot water or nematicides) to kill the plant parasitic nematodes before planting to prevent the further postharvest damage. These various measures are primarily aimed at either reduction or wiping out of stages of nematode from the site or protection of host from infection or creation of unfavorable host and/or environmental conditions for the nematodes.

Q. 1 If the forward speed of a tractor drawn seed drill is increased twice,
then the seed rate delivered will be
(A) Reduced to half            (B) Double
(C) Increased by four time (D) Remains the same

Among the temperate fruits, nuts have occupied an important position and can be grown in cold arid conditions on marginal lands of Indian hills without much care. In many countries, nut fruits are cultivated in marginal lands, hill slopes under rain fed conditions following the non intensive cultural practices by using cultivars selected to different environments using low quality ecotypes with poor yield. Although; these crops showed much potential to produce more yield provided cultivation in suitable environment condition along with high tech orchard management practices. The major nut fruits grown in world are almond, walnut, pecan, pistachio, hazelnut or filbert, chestnut and macadamia nut. In India, the full potential of almond and walnut has been exploited to great extent. The potential of other nuts are yet to be utilized and need special attention.

In India, nut fruits have not been given due importance in hills compared to pome and stone fruits although much potential exists. Amongst the nut fruits, the potentials of almond and walnut have been exploited to some extent but others are still in the underutilized condition. The main almond and walnut growing states of India are Jammu & Kashmir, Himachal Pradesh, Uttarakhand and North-Eastern states.

10.1 Introduction
Having explored the advanced analytical techniques that allow us to extract meaningful insights and build predictive models from meteorological data, we now arrive at a crucial stage in the scientific process: communication and understanding. The chapter, “Visualization of Meteorological Data,” focuses on the art and science of transforming complex numerical datasets into insightful visual representations. In a field as inherently spatial and temporal as meteorology, effective visualization is not just about making pretty pictures;it is a fundamental tool for exploration, analysis, and the clear conveyance  of information about atmospheric phenomena (Fig. 10.1).
Consider the sheer volume and multifaceted nature of meteorological data. We grapple with variables spanning three spatial dimensions (and often more when considering altitude), evolving dynamically over time, and encompassing a wide array of physical quantities – temperature, pressure, wind vectors, humidity, precipitation rates, radiation fluxes, and more. Raw numbers and statistical summaries, while essential for quantitative analysis, often fail to reveal the intricate spatial patterns, temporal evolutions, and interrelationships that characterize weather and climate. This is where visualization steps in,
acting as a bridge between the abstract world of numerical data and our intuitive human capacity for visual pattern recognition.

1. Introduction
The term “plastic” is derived from the Greek word “Plasticos" whichmeans to be capable of molding into various sizes and shapes. Daily usedsynthetic plastics are categorized based on their physical and chemicalproperties, such as thermoplastic and thermosetting. (i) Thermoplastics: Astheir names suggest, thermoplastic polymers melt and turn into a plastic orrubbery state when exposed to heat. They have various numbers of polymericchains and are the most widely used plastics in day-to-day life. Examples ofthermoplastics are Polystyrene(PS), Polyvinylchloride (PVC), Polypropylene(PP), Polyethylene Terephthalate (PET), Polyethylene (PE) etc. (Massy,2017), (Sharma et al., 2017). (ii) Thermosetting polymers: As the namesuggests, they set or harden permanently when heated (Massy, 2017). Due totheirstrong crosslinked structure, they are non-recyclable polymers. Examplesinclude Polyurethanes(PUR), Phenol formaldehyde, Melamine formaldehyde,and Polyester Resin (PR) (Sharma et al., 2017). Different polymers and theirapplications are illustrated in Fig. 1.

1. INTRODUCTION

Canopy management is the manipulation of tree canopy to optimize its production potential with excellent quality fruits. In many fruit crops, increase in production with enhanced fruit quality is obtained by managing canopies of short statured trees. Small trees capture and utilize the sunlight properly and results into better fruit production.

The fruit growers desire to regulate the growth and development of their trees in a scientific manner. This is because it is not always wise to allow a plant to develop naturally, since unwanted portions may develop which may affect the production. The removal of unwanted parts of plant is thus known as pruning. The practice of pruning as and when performed in an appropriate manner, keeps the plant in such shape and condition as to yield fruits of desired quality.

Canopy management depends on the nature and growth pattern of plant, number of plants /ha and pruning techniques used by the farmers in their fields. Pruning should be done when trees are young to establish their basic shapes and sizes, and continued as trees mature. Trees that grow too close together shade out the lower canopy portions and in turn decrease their fruit setting. These trees are required to be pruned to allow the light to reach the top and lower sides of trees. Pruning is done either to encourage the growth (thinning) or to reduce the tree size (heading back). Thinning of bearing trees encourages vegetative growth, and removes interior branches, encouraging the outward growth of plants. Heading back reduces the outward canopy growth through topping and hedging of branches.

15.1 Introduction

In recent years, the role of plant secondary metabolites as protective constituents in the human diet has been a growing area of research. Unlike the traditional vitamins, they are not essential for short-term wellbeing, but there is increasing evidence that modest long-term intakes can have favourable impacts on the human health. Teas, coffee and cocoa represent plantation cash crops grown in many of the warmer, less developed regions of the world. They serve as stimulant beverages and their demand is ever increasing day by daily. However, production of these beverages is under the severe threat due to attack from various pests and diseases which cause considerable damage.

Due to continuous pressure on our food security even after independence, the cultivation has been expanded to marginal and sub marginal lands that are prone to different types of erosion. Though the rainfed farming is based on the erratic and uneven rainfall, it contributes nearly 50% food grain, 90% oilseeds and pulses and 65% cotton production.

    1.    Control points are the points in the food processing chain where it is possible to control or remove hazards.

    2.    Critical control points are the control points in the processing chain where it is essential to a hazard, usually because there is no later step at which to establish control.

    3.    Preventative measures are the actions and activities needed to remove hazards or control them by reducing them to acceptable levels.

    4.    Critical limits for critical control points are measurements such as temperature and time, that must be met, or characteristics such as appearance and texture. Critical limits need to be validated.

    5.    Monitoring is the regular measurement or observation of a critical control point to ensure it is not beyond its critical limits.

    6.    Take corrective action to bring the process back under control before the problem (‘deviation’) leads to a safety hazard. Consider proper management (disposition) of any adversely affected product.

    7.    Verification procedures are tests and programmes that make sure the HACCP system working properly

    8.    Record keeping and documentation systems must meet the needs of the business and be adequate to show that the food safety programme is working.