eChapters

Abstract
 
Drying is one of the most popular methods used for preserving products and extending their shelf lives by reducing moisture content to a low level to prevent microbial spoilage and moisture-mediated deteriorative reactions. As an efficient technology with high heat and mass transfer rates, impingement drying has been commonly used in various industrial drying such as tissue paper, textiles, photographic films, coated paper, nonwovens, carpets, lumber etc. In the past two decades, air impingement technology has got more and more attention in the field of food and agricultural products processing.

Introduction
Reproduction involves the intricate interplay of physiological processes to ensure the successful growth and development of the embryo and fetus. Three key processes— implantation, placentation, and the establishment of fetal circulation—are fundamental to a viable pregnancy. These stages ensure the fetus receives adequate nutrients, oxygen, and support for development. Below is a detailed elaboration of each process.
1. Implantation
Implantation is the process by which the blastocyst (a hollow structure formed in the early development of mammals) embeds itself into the uterine wall. It is the first critical step in establishing a pregnancy.
Phases of Implantation
1. Apposition: The blastocyst loosely attaches to the endometrium (the inner lining of the uterus).
2. Adhesion: The trophoblast cells (outer layer of the blastocyst) firmly attach to the uterine lining.
3. Invasion: The trophoblast differentiates into two layers: Cytotrophoblast: The inner cellular layer that serves as the proliferative zone. Syncytiotrophoblast: The outer multinucleated layer that invades the endometrium, facilitating deeper embedding.
Significance
Implantation typically occurs 6–10 days after fertilization.
It ensures the establishment of an early connection between the embryo and maternal blood supply.
Successful implantation depends on hormonal regulation, especially the roles of estrogen and progesterone, which prepare the endometrium to be receptive.

Fracture healing is a complex process in which damaged bone restores its original architecture through a cascade of molecular and cellular events. The process of fracture healing is unique, in that it does not form a poorly organized replacement matrix, otherwise known as scar tissue, but rather regenerates the original matrix and retains its mechanical properties. Normal fracture and bone repair follows a known sequence of events includes: haematoma formation, inflammation, angiogenesis, osteogenesis, and bone remodeling.

For the repair of bone defects, a tissue engineering approach would be to combine cells capable of osteogenic (i.e. bone-forming) activity with an appropriate scaffolding material to stimulate bone regeneration and repair. An ideal tissue-engineered bone substitute should possess 3 elements: osteoprogenitor cells, osteoinductive factors, and an osteoconductive scaffold, and is considered as a potential substitute for autologous bone transplantation. Tissue engineering approaches have proven very effective in bone regeneration recently, and the successful repair of bone defects has been demonstrated in larger animals like canine, goat and sheep.

Stem cells from adult tissues are attractive materials for cell therapy, gene therapy, and tissue engineering. These cells generally have restricted lineage potential when compared to embryonic stem cells, and this may be advantageous in certain therapeutic applications. Till and McCulloch in 1961 describes the presence of hematopoietic progenitor cells in bone marrow. After this, the concept of MSCs is brought to light by Friedenstein and co-workers who demonstrated the osteogenic potential of BM cells by heterotrophic transplantation.

INTRODUCTION
Hitching and detaching implements from a tractor is a crucial aspect of tractor operation, whether in agricultural, industrial, or construction work. This process involves attaching various implements, such as plows, harrows, or trailers, to the tractor’s hitch system, ensuring proper functionality during operation, and safely detaching them once the task is completed. Mastering the correct procedures for hitching and detaching is vital for safety, operational efficiency, and preserving the tractor and implement lifespan.
The tractor hitch system plays an essential role in connecting the prime mover (tractor) to the implement, creating a cohesive working unit. Both the tractor and the implement rely on each other to perform, much like the two wheels of a cart.
A “hitch” is defined as a single articulated point or a combination of points and links that allow the tractor to exert tractive effort in the form of pushing or pulling to counteract the draft force of the implement. The hitch point, whether virtual or real, represents the specific location on the tractor through which the “line of push” must pass to ensure effective operation. Proper understanding of this system ensures smooth, safe, and efficient work.
HITCHING IMPLEMENTS TO THE TRACTOR
Hitching implements to a tractor is an essential process, and the method can vary depending on the type of implement being used. The most common method involves using two hydraulic arms and a third high point to attach and level the implement. The hydraulic arms serve as the main tie-down, allowing the implement to be raised or lowered, while the third point is connected through a double-nut bar, which can adjust the length of the tie-down. For larger tractors or implements, this third point can also be hydraulic for easier adjustment. An alternative coupling method is the cup and pin system, commonly used for trailers, balers, or tanks, where a pin is driven through the tractor’s cup and

Introduction Rice cultivation is a means of livelihood for a large number of people from the state of Assam, India (Saikia, 2019). It is related to the cultural aspects in rural Assam where people indulge themselves in traditional as well as modern ways of farming. Like any other north-eastern states in India, rice majorly dominates the Assamese cuisine. It is the primary source of diet in Assam. There are more than 100 varieties that are genetically modified breeds in which indigenous varieties contribute to 20 germplasm (https://www.rkbassam.in/). The different rice varieties of Assam have different culinary applications in both savoury and sweet cuisines. The intermediate and high amylose rice, parboiled or nonparboiled are consumed as staple for major meals while the low amylose rice is mostly consumed as snacks, breakfast cereals and desserts. The major constituent of rice is starch consisting of about 90% of the mass. Thus, the major compositional changes occurring in rice is due to starch. Starch is a polymer of glucose linked by glycosidic bond. It consists of amylose (linked by alpha 1- 4 linear chains) and amylopectin (alpha 1-4 & alpha 1-6 branched chains). On the basis of composition, rice is classified as high amylose (>25%), intermediate amylose (20 -25%), low amylose (7-20%) and waxy or glutinous (1–2%) types (Juliano, 1979).

The eventual objective of promoting IDM is to empower its users to engage sustainable agricultural production with long term positive impacts on human being, poverty and environmental health.The impact of successful implementation of IDM approaches cannot be achieved if IDM is not strategically placed within national policies for agricultural production and protection. There are number of the national policies and related regulations that have direct impact on IDM adoption and scaling up in India.

It is a process by which a act of predetermined activities is carried out in a planned manner, with a view to achieve certain establish objectives.

To implement a project means to carry out activities proposed with the aim to achieve project objectives and deliver results and outputs. It is a highly complex process and it involves a relationship among several system and variables

1. Introduction

Radio Frequency Identification popularly known as RFID is a term used for a radio-enabled device that communicates with or interrogates a tag or smart label, which is embedded with a single microchip processor and an antenna. "This is an automatic identification method that relies on storing and remotely retrieving data using devices such as RFID tags or transponders (Mamdampur and Rajgoli, 2011)". This technology is similar in concept to a cell phone (Singh and Midha, 2008) which refers to the subset of automatic identification that uses radio waves to automatically identify bulk or individual items (Chavan, 2012).While the origin of RFID lie more than 50 years in the past, passive RFID technology is actually only in its infancy (Sarma, 2008).

Abstract

The upsurge in global population rates has triggered a significant escalation in food demand across the world. This is accompanied by urbanisation and a pressing need for sustainable agriculture. In this context vertical cultivation of plants as well as breeding of livestock on vertically inclined surfaces, such as in skyscrapers and other high-rise buildings in urban regions has gained prominence. The dynamics of urban agriculture is captured through the case study of Urbagrow Aquaponics, an urban, aquaponic, soil-free, food garden based in Kolkata. The garden exhibits an assortment of aquaponic systems for growing a variety of vegetables as well as the tilapia and catfish. The systems make use of less water, require less work in man-hours and can grow vegetables in greater density than a traditional soil based food growing endeavour. A feasibility study has been conducted to explore the potential of scaling such a venture across myriad other high-rise buildings across Indian cities.

The major challenge of the present time in agriculture is implementing sustainable development and meeting the food needs of increasing population simultaneously. Agricultural extension always remains an integral part of National Agricultural Policy. At present, agricultural extension has a crucial role to play in the context of growing demands of agricultural production in a sustainable manner. In this situation extension’s traditional task of transferring and disseminating appropriate technologies and agronomic practices would not be sufficient. There is need to view extension for sustainable development in an institutional strengthening context, both in functional and structural.

Variation is inherent in almost all biological populations. In any science, research work, that is, the study and explanation of development changes in a phenomenon can be theoretical as well as experimental. Thus, in order to have solution to a problem the need arises to collect relevant information (called data) their analysis and interpretation through appropriate statistical tools. Statistical analyses help the biologists to draw appropriate conclusions. For instance, in Integrated Pest Management (IPM) the entomologists are primarily concerned with the estimation of insect-pest population, its distribution pattern over time and space, its relationship/fluctuation in population with the prevailing weather parameters and ultimately its control measure through the judicious use of chemicals, biological control agents and resistant varieties etc. There are two broad modes of collection of data:

Introduction

Growth enhancement technologies have been widely embraced in the livestock industry to improve growth, efficiency and carcass traits. For over 50 years, estrogenic and androgenic hormone implants were widely used in the cattle feeding industry, and it is estimated that approximately 97 percent of feedlot cattle in the U.S. receive one or more implants during the finishing phase (Barham et al., 2003; Tatum, 2006). There is a large body of literature that indicates the positive growth enhancement effects which implants impart on growing and finishing cattle and producers have extensively used implants to increase live body weight, improve average daily gain and feed efficiency, and reduce the number of days cattle are on feed (Apple et al., 1991; Duckett et al., 1997;Milton and Horton, 1996; Perry et al., 1991). Likewise, there is a growing body of literature that indicates the positive response on growth and carcass characteristics that finishing cattle have to beta-adrenergic agonists. The hog industry, and more recently, the cattle feeding industry have increased utilization of beta-adrenergic agonists to improve the efficiency of production. While the use of Ractopamine hydrochloride (Paylean^®, Elanco Animal Health, Greenfield, Indiana) has been used extensively in hog production since its approval by the Food and Drug Administration (FDA) in 1999, similar pharmaceutical feed additives have only recently been implemented in commercial cattle feeding operations. Beta-adrenergic agonist use in fed cattle has substantially increased following the FDA approval of Ractopamine hydrochloride (Optaflexx^®, Elanco Animal Health, Greenfield, Indiana) in 2003, and the approval of Zilpaterol hydrochloride (Zilmax^®, Merck Animal Health, Summit, New Jersey) in 2006. The use of both Ractopamine hydrochloride (RH) and Zilpaterol hydrochloride (ZH) have shown to elicit similar improvements in live weight gain, average daily gain, and feed efficiency as those reported in hormone implants (Allen et al., 2009; Avendano-Reyes et al., 2006; Beckett et al., 2009; Elam et al., 2009; Gruber et al., 2007; Kellermeier et al., 2009; Scramlin et al., 2010). In addition, these compounds have been reported to have profound effects on hot carcass weight, Longissimus muscle area and carcass cutability (Gruber et al., 2007; Hilton et al., 2010; Rathmann et al., 2009; Scramlin et al., 2010; Shook et al., 2009; Vogel et al., 2009). It is because of this that cattle feeders have drastically increased use of beta-agonists since their FDA approval, and a growing portion of the fed cattle population receive a dietary beta-agonist supplement that is provided within the final 20 to 30 days of finishing.

The most important use of R programming lies in importing of data files which serves as input for the analysis work. After the analysis is over by using R codes, operators and functions, the output result must also be exported in form of files. The files are imported in form of csv files (comma separated variable), text files or excel files.

Before going to the actual content of the chapter we have to have an idea about csv files. CSV stands for Comma Separated value. It is used to store tabular data, such as a spreadsheet or database. CSV is delimited text file in which the values are separated by commas. CSV files occupy much less space than excel files and also gets imported in a program at a much faster rate than Excel files. CSV Files also does not manipulate data and stores as it is.

Let us consider that an excel file named as ‘plant’ which stores three variables, named as ph, pd and yield is created inside the folder named as ‘My Data’ which is placed in the desktop. Thus the path of the file is “C:\\Desktop\\My Data\\plant”

To import excel file the package will be readxl and the command will be library(readxl)

1. Determination of qualitative nursery planting materials

1.1 Quality assessment of seedlings

Nursery is a place where young/infant seedlings are kept under intensive care until they are ready for planting. The production of quality seedlings begins with the collection of quality seed, nursery establishment, and after-germination maintenance. The quality of plant propagation structures may not be a qualitatively gradable criterion, but it can be indirectly assessed by their relationship to growth, productivity, and vigour. The Dickson Quality Index (DQI) is very useful for assessing the quality of a specific group of seedlings. This is done by selecting some seedlings at random from that group and computing Dickson Quality Index (DQI).

The Export-Import (EXIM) Committee was constituted in the Seeds Division to deal with application for exports/imports of seeds and planting materials in accordance with the New Policy on Seed Development and EXIM regulation.

The Policy reiterated that all imports of seeds and planting material would be regulated under the Plant Quarantine Order 2003 and amendments made their under, Import licences would be granted by DGFT/PPA on the recommendations of DAC.

The composition of the EXIM Committee is as under: (i) Secretary (A&C) - Chairperson (ii) Agriculture Commissioner (iii) DDG (CS), ICAR (iv) DDG (Hort.), ICAR (v) JS (IC) (vi) JS (PP) (vii) Horticulture Commissioner (viii) Animal Husbandry Commissioner, Deptt. of Animal Husbandry & Dairying (proposed to incorporate by the 94th Exim Committee) (ix) Director, National Bureau of Plant Genetic Resources (NBPGR) (x) Plant Protection Adviser (xi) Economics and Statistical Adviser (xii) JS (Seeds) - Member Secretary

A small quantity of seeds sought to be imported would be given to ICAR, or farms accredited by ICAR, for trial and evaluation for one crop season. On receipt of applications for commercial import, DAC would consider the trial/ evaluation report on the performance of the seed and their resistance to seed/ soil borne diseases. DAC is required to either reject or recommend the application to DGFT for grant of import licence within 30 days of receipt.

Agriculture plays a key role in the overall economic and social well being of the country. Though the share of Agriculture in both GDP and employment has declined overtime, Agriculture still forms the backbone and occupies a pride of place :

1. Agriculture contributes 24 per cent to the Gross Domestic Product. GDP was declined from 39 per cent in 1983 to 25 per cent during 1999-2000 and now it 17.32 per cent.
2. Provides livelihood support for more than half of the population in the country. The sector provides employment to 56.7 per cent of the India’s work force.
3. Agriculture has been the source of raw material for industries. Majority of the industries depending on agriculture for their raw materials. Ex: Textile (Cotton, Jute), Sugar (Sugarcane, Sugar beet), Small & medium scale industries like soaps, dyes, medicines, vitamins, preservation of fruits and vegetables, dhal milling, rice husking, Jaggery making, oil crushing, handlooms etc.
4. It provides large part of market for industrial goods viz., seeds, fertilizers, pesticides, implements, machines like pump sets, trucks, tractors, power tillers, sprayers etc.
5. Support roadways, railways, airways and shipways for transport of inputs & produce.

1.1. Definition

Alteration in one or more of physiological processes culminating in a loss of coordination of energy utilization in a plant as a result of the continuous irritation due to presence or absence of some factor or agent.

A plant is said to be diseased when there is a harmful deviation from normal functioning of physiological process (Federation of British Plant Pathologists, 1973).

History of plant breeding
The process of plant breeding takes care of changing or modifying the genetically controlled characters of a particular variety or genotype of a crop. The practice of age-old agriculture uses the process of selection from the existing variability to save a particular quality of seed to grow better crops in the next harvest.
Gregor Mendel who is known as the father of Genetics discovered the law of segregation in the middle of the 1800s. This theory forms the base for the process of plant breeding. The primitive ways used for plant breeding are very different than what modern technology has contributed to the process of plant breeding during the 20th century.
Plant breeding is the science and art of purposeful manipulation of characters of crop species to create new varieties with a set of desired characteristics. Significance of plant breeding has been highlighted especially after the “Green Revolution”.

Cut flowers have become an important segment of modern commercial floriculture because of their high economic value, domestic demand, export potential and employment-generating capacity. This chapter introduces the importance and scope of cut flower production in India and internationally. It examines the economic, social, employment and export significance of flowers and discusses major commercially cultivated crops such as rose, chrysanthemum, gerbera, gladiolus, carnation, lily, orchid, anthurium and tuberose. The chapter also identifies production constraints including labour, infrastructure, cold-chain limitations and market fluctuations, while highlighting opportunities arising from protected cultivation, precision farming, technology, exports and increasing consumer demand.

The association of flowers with mankind is evidenced since dawn of the civilization. For many centuries, flowers play an important role in each and every occasions of life and no social function is considered complete without the use of flowers. Flowers are regarded as the symbol of love, beauty and a gift of nature. In India, there is a popular saying that flowers are associated with man from birth till death.

Floriculture can be defined as a specialized branch of horticulture which deals not only with the cultivation of flowers, foliage plants, climbers, trees, shrubs, cacti, succulents, etc., but also their marketing and production of value-added products from them.

Floriculture is increasingly regarded as a viable diversification from the traditional field crops due to higher returns per unit area. Flowers play a cardinal role in human behaviour and culture, bringing tranquillity and peace of mind. From a symbol of love, flowers have transformed into an industry, generating both income as well as employment. During the past few decades, appreciation of the potential of the commercial floriculture has resulted in the blossoming of this field into a viable agri-business option. The varied agro-climatic conditions prevailing in India and wide availability of natural resources are conducive for production of a large number of flowering and ornamental crops almost throughout the year. The commercial production and marketing of flowers and floriculture products have also increased during recent years due to improved marketing and communication facilities, making availability of these throughout the country and generating a huge employment.