eChapters

SWOT Analysis-Concept

Concept of SWOT

The concept of SWOT surfaced in 1960 as, management tool indicating four dimensions of strength, weakness, opportunity and threat and is widely used in business organizations. It’s use is very common in judging the prospectus of any organization particularly rural projects. It’s four attributes have wider applicability to decide whether to move ahead or not.

Origin of SWOT

Introduction

The main goal of plant breeding is to increase crop yield and the second goal is to improve quality, develop light- and heat-insensitive varieties, tolerance to biotic and abiotic stresses, simultaneous maturation, and water and nutrient use. Efficiency, elimination of toxins, and cultivation of different product groups allow to achieve high agricultural yields and sustainable development. Better understanding and development of genetics has increased the efficiency of plant breeding to achieve desired goals in agricultural crops. Effective and efficient use of molecular markers in crop improvement programs increases selection efficiency and productivity and accelerates the growth cycle to create new varieties with good results. Marker assisted selection (MAS) is a technique that uses markers (morphological, biochemical, or DNA/RNA variation-based markers) to indirectly select for traits of interest (e.g., productivity, disease, genetic determinants resistance, abiotic stress tolerance and/or quality). This process is used in plant and animal breeding. The rapid development of biotechnology has allowed breeders to develop better selections to replace traditional selections based on phenotypic pedigree.

8.1 Introduction
Every fusion welding procedure that uses a heat source capable of producing incredibly high weld input levels is known as high energy density welding. For welding, the density of the energy obtainable from a heat source is frequently more significant than the source’s absolute energy. Electron beam welding (EBW) and laser beam welding (LBW) are the two main categories of high energy density welding technologies. In both procedures, a very high-intensity beam is used as the heating source for the weld, and this beam’s energy is highly concentrated due to optical or electromagnetic lenses, respectively. These processes have an energy density of roughly 1010–1013 W/m2. The energy density of typical arc welding procedures is roughly 5 x108 W/m2. As fast-moving electrons in EBW and photons in LBW collide with the workpiece, their kinetic energy is converted into heat. This causes melting, vaporisation, and heating in a very small region. Due to non-uniform weld metal shrinkage or thermal contraction, penetration into the workpiece can be significant. This results in deep, thin, parallel-sided fusion welds with narrow heat-affected zones and little angular distortion. Since the electron beam welding is nearly always done autogenously, the joint fit needs to be flawless.
This welding is classified into the following types.
i. Plasma arc welding
ii. Electron Beam welding (EBW)
iii. Laser bean welding (LBW)
8.2 Plasma Arc Welding
An electric plasma arc and a non-consumable electrode are used in the fusion welding method known as plasma arc welding (PAW) to fuse metals together. The electrode is typically constructed of thoriated tungsten, just like in TIG. It is an excellent option for welding thin metals and producing deep, narrow welds because of its distinctive torch design, which provides a more focused beam than TIG welding. Compared to conventional procedures, plasma welding is frequently used to weld tough metals like aluminium, stainless steel, and others. This method, like oxy-fuel welding, can also cut metal (plasma cutting), which gives fabricators and manufacturers another useful tool.

Introduction

Mankind has been utilizing different animal species from the dawn of civilization for a variety of purposes viz., production of milk, meat, wool, egg and leather. Apart from these, various animal species are also used for draught power, companionship, entertainment, research experimentation, sports, security etc. Livestock sector plays a crucial role in rural economy and livelihood. As per report of the working group on animal husbandry and dairying, 11th five year plan: 2007-12, the livestock sector employs eight percent of the countries labour force, including many small and marginal farmers, women and landless agricultural workers. Milk production alone involves more than 30 million small producers, each raising one or two cows or buffaloes. The organic fertilizer produced by the sector is an important input to crop production and dung from livestock is widely used as fuel in rural areas. Livestock also serves as an insurance substitute, especially for poor rural households; it can easily be sold during time of distress.

Introduction

The demand of cereals to meet the food requirements of the burgeoning population is increasing while on the other hand most vital inputs of agriculture viz. productive arable land, water and labour are depleting day by day. Rice is the major Kharif crop of India and it is estimated that rice is being grown in 43.97 million ha with 104.32 million tonnes of production during 2011-12 (Agricultural Statistics at a glance, 2012). In the eastern region of India, rice is produced by the conventional system of cultivation which involves puddling and transplanting which is basically water, labour and energy intensive thereby adversely affecting the environment. Therefore, to sustain the long term production of rice, more efficient alternative methods of rice productions are needed. For this, conservation agricultural practices which comprises of technologies which are water, labour and energy efficient along with eco-friendly characteristics will be a better alternative to conventional practices (Kumar and Ladha, 2011). 

Introduction

Accuracy and uncertainty analysis is an important step in preparation of surface map through geostatistical techniques or digital soil mapping approach. It is because that we rely on a map based on how much accurate it is and the degree of uncertainty associated with the estimates while the map was prepared. Any stakeholder for a soil map especially policy makers is interested in accuracy and uncertainty of the map before taking suitable land management decisions involving soil map as an input. Again the level of accuracy and uncertainty depends on the properties for which the map has been developed. If the property of interest is sensitive to environment or human consumption, then the accuracy level should be very high while the uncertainty level should be very low e.g. heavy metal concentration in soil, quality parameters of water etc.

1. Introduction

The world’s temperature has already warmed up to almost 1.2ºC since the preindustrial levels and this warming impact is visible in the form of extreme weather events, sea level rise and diminishing Arctic sea ice. Heat waves and drought in Europe and China, forest fires in the U.S., dust storms and extreme rainfall in India (including the Kerala floods 2018) and high precipitation in Japan and other island nations are all examples of the disasters which have occurred within a single year of 2018. With a further 0.5ºC warming, these effects would be even more pronounced than the scientists’ previous predictions. A 1.5ºC warmer world will see higher temperatures, increase in frequency and intensity of precipitation, higher sea levels, and floods, droughts and heat waves (Venkatesh, 2018). The climate change induced economic damage has been increasing in the past few decades and is likely to continue growing because of population growth, urban development and changing land use pattern (IPCC, 2012). Kerala encountered the most disastrous floods in its history since 1924, between June 1^st and August 19^th of 2018. As the torrential rainfall and associated storm thrashed the state, the entire state got buried under water with only few areas remaining above water. The combined precipitation received by the state during this period was 42 per cent in excess of the typical normal. The exceptional spell of rainfall inflicted heavy damage on the life and properties of thousands of people in the state.

Since 2012, the United Nations Framework Convention on Climate Change (UNFCCC) has considered gender and climate change as a stand-alone agenda item under the Conference of the Parties. This is because it has been already understood that climate change has a greater impact on those sections of the population which are more reliant on natural resources for their livelihood. People who have the least capacity to respond to natural hazards are also affected

more. Majority of women, who are considered among the poorest of the poor are at a greater disadvantage because their income is mostly derived from informal natural resources dependent livelihoods. Globally, more than 400 million women engage in farm work in more than 90 countries. Agriculture being a climate sensitive sector, climate change takes a huge toll on this area. Women are usually engaged in subsistence agriculture and labor-intensive works which worsens their susceptibility to climatic change (Lambrou and Piana, 2006). Hence, during extreme weather events, women experience greater impacts and vulnerability than men and become economically insecure following disasters.

Nitrovasodilators are pharmaceutically key signalling molecule in the cardiovascular, immune and central nervous systems, and crucial steps in the regulation of NO bioavailability in health and diseases. These agents are well characterized and responsible for vasodilation by donation of nitric oxide (NO), and are principally employed for the treatment and prevention of angina pectoris, several cardiac diseases and regulation of vascular homeostasis (Carlstrom et al., 2024). NO has also been implicated in the pathology of many inflammatory diseases, including arthritis, myocarditis, colitis, and nephritis and a large number of pathologic conditions such as amyotrophic lateral sclerosis, cancer, diabetes, and neurodegenerative diseases. Several alternative strategies to increase NO signalling in the cardiovascular system have recently emerged, with promising therapeutic potential (Lundberg eta al., 2015). Nitroglycerin is commonly used in the treatment of angina pectoris because of its ability to decrease myocardial oxygen consumption. The use of nitroglycerin in the treatment of angina pectoris began not long after its original synthesis in 1847. Since then, the discovery of nitric oxide as a biological effector and better understanding of its roles in vasodilation, cell permeability, platelet function, inflammation, and other vascular processes have advanced our knowledge of the hemodynamic (mostly mediated through vasodilation of capacitance and conductance arteries) and nonhemodynamic effects of organic nitrate therapy, via both nitric oxide–dependent and –independent mechanisms (Divakaran and Loscalzo, 2017). These encompasses the identification of new pathways for enhancing NO synthase activity; ways to amplify the nitrate–nitrite–NO pathway; novel classes of NO-donating drugs; drugs that limit NO metabolism through effects on reactive oxygen species (Lundberg et al., 2015; Roy et al., 2023). Apart from the organic nitrates, direct activators of soluble guanylate cyclase, L-arginine, phosphodiesterase inhibitors and some other drugs also play critical role in vasoprotection (Gewaltig and Kojda, 2002).

Bird of Paradise, belonging to the genus Strelitzia, is a distinctive ornamental cut flower recognized for its striking inflorescences and architectural form. This chapter covers its origin, botanical features, species, varieties and commercial importance. It explains environmental requirements, soil conditions, propagation, planting, irrigation, nutrient management and cultural operations. The chapter also addresses pests, diseases, harvesting, grading and postharvest handling. Because of its unique appearance and suitability for floral arrangements, Bird of Paradise has significant potential in premium floriculture markets. The chapter provides practical production guidance for growers seeking to develop high-value tropical cut flower enterprises. commercially and sustainably.

4.1. Introduction

Heifers are young female cattle from 12 months of age to first calving. Heifer management is important as they are future cow of the herd. Proper growth and body condition of the heifers are associated with their early sexual maturity and age at first breeding, and their later productive and reproductive performances, when they become cow. Thus, proper care and management of the heifers is necessary to establish a good dairy herd.

Preliminaries
    
Results on 22 Factorial Experiment
    
23 Experiment in r Replication
    
Confounding

Introduction

Soil is one of the vital resource, and is the basis of the existence of mankind. Management of this resource including its conservation and utilization is of crucial importance. It is a base on which all life depends. In the recent past, with burgeoning populations and the national goals of seeking self-sufficiency in food and fibre production, this resource base is slowly being stripped. While natural systems often adapt to stress in a remarkable fashion, some relationships - once destroyed - can never be restored. Soil resources can be assessed and monitored through its spectral signatures gathered through remote sensing.

The term ‘remote sensing’ is commonly restricted to methods that employ electromagnetic energy (such as lights, heat, micro wave) as means of detecting and measuring target characteristics. Sensors acquire data as various earth surface features reflect or e mit electromagnetic energy (EM energy). Remote sensing is the technology that is now the principal method (tool) by which the earth’s surface and atmosphere (as targets or objects of surveillance) are being observed, measured, and interpreted from vantage points. Remote sensing of the earth traditionally has used reflected energy in the visible and infrared, and emitted energy in the thermal infrared and microwave regions to gather radiation that can be analyzed numerically or used to generate images whose tonal variations represent different intensities of photons associated with a range of wavelengths that are received at the sensor.

ABSTRACT

In vitro culture and cryopreservation techniques are complementary to ex situ conservation of plant genetic resources that are vegetatively propagated or having recalcitrant seeds. An in vitro germplasm conservation study has been conducted on Banana passionfruit (Passiflora mollissima), a plant used in rural medicine. Micropropagated plants survived up to 12 weeks in Murashige and Skoog medium supplemented with 0.5% sucrose. Cryopreservation experiments were carried out on the explants (apical and/or axillary buds), pre-treated with vitrification solutions, dimethyl sulphoxide (DMSO) and PVS2 (Plant vitrification solution-2) with or without desiccation treatment and frozen in liquid nitrogen (LN). The survival and regeneration of apical buds were higher than axillary buds when pre-treated with 15% DMSO. Treatment with 20 % PVS2 for 1 h followed by 100 % PVS2 for 20 min gave maximum shoot recovery (40%) from cryopreserved apical buds. Desiccation alone was not successful but combination of pre-treatment of PVS2 (20% for 1h and 100% for 20min) with 3 h desiccation gave 30% plant survival from frozen apical buds. Regenerated shoots were rooted on MS medium with 1.0 mgl-1 naphthalene acetic acid (NAA) and 0.2 % activated charcoal.

Eigen values of the matrix are

(A) 1 and 2             (B) 1 and 3

(C) 1 and 4            (D) 2 and 3

Introduction

Seaweed, a diverse group of marine algae, thrives in a variety of aquatic environments across the world’s oceans. Found in both shallow coastal waters and deeper offshore regions, seaweed plays a crucial ecological role in marine ecosystems. It attaches itself to rocky substrates, sandy seabed, or even other marine organisms, utilizing the rich nutrients present in seawater for growth. Seaweed populations are influenced by factors such as water temperature, light availability, and nutrient levels.

Seed treatment refers to the application of chemical or biological substances to seeds before planting. This process is designed to protect seeds from diseases, pests, and other adverse conditions that may affect germination and early growth and can improve overall crop yield and quality. Seed treatment can involve the use of fungicides, insecticides, bactericides, and other agents that help improve seed health and vigor. Seed treatment is a crucial step in ensuring healthy crop production. By investing in seed treatment, farmers can achieve better crop establishment and reduce the need for subsequent interventions, leading to more sustainable and cost-effective agricultural practices.

4.1 Importance of Seed Treatment

1. Disease Control: Seed treatment helps to protect seeds and seedlings from soil-borne and seed-borne pathogens, reducing the risk of diseases that can impair seed germination and seedling growth.

2. Pest Protection: Treated seeds are less likely to be damaged by insects and other pests that may be present in the soil. This protection can lead to higher seed survival rates and better crop establishment.

3. Improved Germination: By reducing the incidence of diseases and pests, seed treatment can enhance the germination rate and uniformity of seedlings, leading to more robust and consistent crop stands.

4. Nutrient Provision: Some seed treatments include nutrients or growth promoters that help improve seedling vigor and early development, ensuring that young plants have a better start.

5. Resistance to Environmental Stress: Seed treatments can help seeds withstand adverse environmental conditions such as drought, salinity, and temperature fluctuations, improving the overall resilience of the crop.

Crop disease forecasting is a crucial component of integrated crop management, enabling farmers and agricultural practitioners to anticipate and prepare for potential disease outbreaks. The importance of crop disease forecasting cannot be overstated, as it allows for the timely implementation of disease management strategies, reducing the risk of yield losses and minimizing the use of chemical pesticides. Conventional methods of crop disease forecasting have been widely used for decades, relying on observations of weather patterns, crop phenology, and disease symptoms to predict the likelihood of disease outbreaks. These methods have been refined over time, incorporating new technologies and data sources to improve their accuracy and reliability (Fig. 10.1). Despite the advent of modern technologies, such as machine learning and remote sensing, conventional methods of crop disease forecasting remain a vital tool for many farmers and agricultural practitioners. These methods are often simple, cost-effective, and accessible, making them particularly suitable for smallscale farmers and resource-constrained agricultural systems. This chapter will provide an overview of conventional methods of crop disease forecasting, highlighting their principles, advantages, and limitations. The chapter will also discuss the importance of crop disease forecasting in modern agriculture, emphasizing its role in promoting sustainable crop production and reducing the environmental impact of agricultural practices.
10.1 Conventional methods of Forecasting
There are several conventional methods of crop disease forecasting that have been widely used for decades. Some of these methods include:
10.1.1 Weather-based forecasting
This method uses weather data, such as temperature, rainfall, and humidity, to predict the likelihood of disease outbreaks. Weather-based forecasting models use statistical relationships between weather variables and disease incidence to make predictions (Fig. 10.2).

5.1. Introduction

A dry cow is a cow that is not producing milk. Usually cow remains in-milk for about 305 days (average lactation length), after that it remains for a period of about 60 days in dry condition (not giving milk) called dry period. Dry period is critical for a cow for regeneration of her udder and reserve nutrients for the next lactation, otherwise, milk production will not be upto the mark and the cow may suffer from several metabolic diseases after parturition. A dry cow is just as valuable as a lactating cow, therefore should be not neglected. A dry cow management programme includes nutrition, general management and health control programme.

Botanical Name : Anacardium occidentale L.
Family : Anacardiaceae 
Origin : North East Brazil in Latin America. 
Chromosome No. : 2n=2x=42
Type of fruit : Droup. 
Type of Inflorescence : Panicles (Both male and  hermaphrodite flowers occur on the same inflorescence)

Fruit flies: Bactrocera cucurbitae:Tephritidae

This pest is more serious in bitter gourd, snake gourd and to a certain extent on ridge gourd. Other cucurbits are attacked to a lesser level. Damage by this pest causes losing the fruit quality, rotting and fruit drop. The adults lay many eggs inside the fruit sing their big ovipositor that hatch out into worm like apodous maggots. Feeding by the maggots on the pulp of fruits result in rotting, yellowing and fruit drop. The dropped fruits allow pupation by the maggots in the soil from where they emerge out as adults and start egg laying on fresh frits.