eChapters

Economic analysis provides a rational basis for making decisions in allocating scare resources among various options to achieve competing goals. If resources were not limiting, there would be no need for economic consideration. Some important basic principles of economic analysis are outlined below.

PRINCIPLES OF ECONOMIC ANALYSIS

Optimization criteria

The additional return obtained from using one additional unit of an input should be considered to optimize net income from several possible production options. If option ‘x’ gives a higher return to land than other options, then additional units of land should be allocated to option ‘x’.

Economic analysis provides a rational basis for making decisions in allocating scarce resources among various options to achieve competing goals. If resources were not limiting, there would be no need for economic consideration.

PRINCIPLES OF ECONOMIC ANALYSIS

Optimization criteria

The additional return obtained from using one additional unit of an input should be considered to optimize net income from several possible production options. If option ‘x’ gives a higher return to land than other options, then additional units of land should be allocated to option ‘x’.

There are three types of disease occurrence namely, endemic, epidemic and outbreaks. Martin et al. (1993) described the term endemic as the disease occurrence in a predictable pattern. There can be low, moderate or high levels of endemicity. Although many times the terms epidemic and outbreak are used synonymously, the term epidemic is used when there is an unexpected incidence of a disease. Thrusfield (1995) defined an outbreak as the occurrence of a disease involving one or more animals.

Animal disease prevention and control activities offer valuable benefits for food production, food security and safety, animal and human welfare, and alleviation of poverty. The effectiveness of disease prevention and control policies depends on the good governance and quality of the veterinary services, in compliance with OIE standards and guidelines on animal disease control. The apex body in each country is the core system that takes care of the prevention and control of animal diseases. This body is responsible for early detection of diseases and rapid response to outbreaks. The veterinary services in developing countries require adequate human and financial resources and capacity building to carry out the tasks of disease prevention and control and to protect animal health and thus public health, including food security and food safety.

Abstract

Kachchh with 45,652 sq. km. geographical area is the biggest district of Gujarat. The monsoon is very erratic and the frequent occurrence of drought or scarcity of rainfall is very common feature in this region. The soils as well as water are saline at most of the places and the irrigation is mainly through underground water. The agriculture under these conditions is becoming increasingly vulnerable. Hence a study was conducted to assess the economic viability of crops having access to assured irrigation facility in Kachchh district of arid Gujarat in 2009. A total of 60 farmers were randomly selected for detailed data collection from five selected villages in three talukas namely Bhuj, Anjar and Mundra. The study revealed that cultivation of cereal crops like pearl millet and wheat was mainly to meet out family needs while cultivation of crops like cotton, castor, groundnut, mustard and coriander was solely for market purpose and intention is to maximize the returns per unit of investment.

In order to assess the economic value of biochar, various factors need to be taken into account, including production expenses, market demand, potential income sources, and cost reductions. The economic worth of biochar can be determined by considering these factors.

8.1 Production costs

The cost of producing biochar can differ based on various factors such as the type of material used, the scale of production, the method of pyrolysis used, and the particular operational conditions.

i. Feedstock costs

• The cost of acquiring or producing biomass feedstock includes purchasing agricultural residues, forestry waste, or other biomass sources. Additional costs such as land, seeds, fertilizers, and harvesting should be considered using dedicated energy crops.

Introduction 
Biofuels have emerged as a key solution in the energy transition toward sustainable energy, reducing dependence on fossil fuels and cutting greenhouse gas (GHG) emissions. The demand for biofuels has been steadily increasing due to environmental concerns, government promotional policies, and technological advancements. The factors driving biofuel demand, current market trends, and future projections are the global demand for biofuels is experiencing rapid growth due to government policies, energy security concerns, and advancements in sustainable biofuel production. As more countries implement biofuel mandates and invest in next-generation biofuels, demand is expected to rise significantly in the coming years, positioning biofuels as a critical component of the global energy transition. Governments worldwide have implemented various policies to promote biofuel production and consumption. These policies aim to reduce greenhouse gas emissions, enhance energy security, and support rural economies. Ethanol remains the most widely used biofuel, with major producers like the U.S., Brazil, and China increasing production to meet rising demand. The U.S. and Brazil collectively account for over 80% of global ethanol production. Bioethanol production originated in Brazil in the early 20th century, where sugarcane was used to produce ethanol as a fuel additive. However, the United States also played a significant role in the large-scale commercialization of bioethanol, especially from corn, starting in the 1970s during the oil crisis. Brazil remains a global leader in sugarcane-based ethanol, while the U.S. leads in corn-based ethanol production. Biodiesel demand is growing, particularly in the European Union, Indonesia, and Argentina. Indonesia’s B30 program (30% biodiesel blending) has significantly boosted demand. Between 2005 and 2015, the biodiesel production experienced a sevenfold increase and is projected to grow by an additional 35% by 2025 (OECD/ FAO, 2014). Biofuel policies have played a crucial role in shaping the growth of biofuel production worldwide. Since their inception, these policies have provided financial incentives, blending mandates, and research support, which have driven large-scale production. The impact of these policies varies across major biofuelproducing nations, including the United States, Brazil, the European Union, China, and India (Table 1). The U.S. biofuel industry expanded significantly due to the

Kewda plants are mostly propagated through vegetative means. The common propagating materials used are ground suckers. The planting materials are planted in paired-row method maintaining a spacing of 4m from plant to plant and row to row keeping a spacing of 6 m between paired rows. In a field of one hectare, a minimum plant population of 500 plants in the field and 150 plants on the field bunds with a total of 650 plants are maintained. A fertilizer dose of 30:15:15 kg NPK/ha and 4 cartloads (100 cft) of FYM/ha are applied. The planting of collected ground suckers is normally done in the field just before monsoon after thorough land preparation under rainfed condition.The earthing-up of the plants are done up to five years of planting for quick initiation of flowering at the age of 5 years after planting. During the first year, the operational cost per hectare comes to Rs.28,900/- and from 2^nd to 5^th years, it comes to Rs.6,600 per year and then the maintenance cost from 6^th year onwards comes to Rs.6,000/- per year. The details of the operational cost per hectare of kewda cultivation under rainfed condition of coastal Ganjam district is given at Table 23. Kewda plant comes to flower on the 5^th year of planting, but the annual net profit begins on the 6^th year of planting and the cumulative net profit starts on the 10^th year (Table 24). The economic viability of kewda plantations is observed from 10^th to 30^th year of planting and after 30^th year, the net profit declines. A farmer can earn an annual profit of Rs.61,000/- per hectare of kewda cultivation from 11^th to 15^th year, which goes on increasing and from 26^th to 30^th year, the annual net return reached to Rs.1,23,400/- with a cumulative return of Rs.4,04,970/- on the 30^th year of planting. Then at the age of 35^th year, it declines to Rs.1,07,800/ - and at 40^th year to Rs.87,000/- per annum (Table 24). Although the profit was calculated only on the basis of sale of flowers yield, some additional profit can be obtained from other plant parts like leaves and stilt roots. After distillation of one lakh flowers, the spent over flowers and plant parts can be utilized as fertilizer/manure by selling at a rate of Rs.1000/- per batch. In the two blocks (viz., Chhatrapur and Rangeilunda) of Ganjam district, about 7,000 women are engaged for collection of flowers, leaves and stilt roots and they prepare ropes and other household items from the roots and leaves. It has been observed that one female can prepare 12 bundles of ropes each of 12 m length and the sale rate of rope is about Rs.10/- per metre. The ropes are sent to the markets of Visakhapatnam (Andhra Pradesh) and Chennai (Tamil Nadu) for sale. The profit can also be increased by incorporating some inter-crops like Casuarina, coconut, Agasti and medicinal crops like Patchouli etc. Further, kewda can be taken on the sand dunes and waste saline land of the coastal lines, where no other crops can be grown profitably. Hence, kewda needs better attention for its extensive cultivation with a foresight on the perfume industry.

11.1 Introduction

Economic analysis is the most important parameter for determining the optimum size of farm pond. It is, no doubt that a big size farm pond can meet the irrigation demand of the crops grown in the command areas in addition to meeting the other demand in the command areas. But a big size farm pond is an oversize structure which necessitates large investment to be incurred which may not be economically viable. On the other hand, a small size structure may not be able to meet the crop water demand and also other demands in the command areas and so is called as under-designed structure. It has been observed that as the size of the farm pond gradually increases from a certain minimum size, the total investment cost increases. At the same time, the benefits from the increasing storage capacity of the farm pond also get increased. In such cases, from a purely business point of view, the most economical capacity is that which provides the highest rate of return on investment. As the size of the farm pond increases, the proportion of the benefit/profit to the cost also increases from certain minimum size, attains maximum value at a particular size and then declines as the size further increases. This particular size of the farm pond at which the net profit is maximum, is called as the optimum size. It is to be noted that at the optimum size, the other economic indicators like the benefit-cost ratio and internal rate of return are also high. The variation of net profit with size of the farm pond is a concave curve. The size of the farm pond corresponding to the peak of the curve which represents the highest net profit is the optimum size of the pond.

The principle of obtaining the optimum size of farm pond is to first assume a certain minimum size say five percent of the farm area and conduct the economic analysis by studying the costs and net profits of the assumed size. Then the size is gradually increased and the economic analysis is conducted for each increased size. Then a curve relating the size of the farm pond and net profit is drawn. Such a curve is generally concave shaped. The size of the structure corresponding to the maximum net profit gives the optimum size. It is to be noted that any size chosen more or less than the optimum size would give less net profit and benefit-cost ratio than that of the optimum size.

The economics surrounding fish feed production are crucial in determining the profitability and sustainability of aquaculture operations. With feed expenses making up 60 to 70 percent of total fish farming costs, optimizing feed manufacturing and management is essential for improving financial returns. The feed production cost structure encompasses raw material sourcing, processing, labor, equipment upkeep, quality control, packaging, and logistics. Among these, protein-rich ingredients such as fishmeal and soybean meal represent the highest expenditure, and fluctuations in their prices significantly affect overall feed costs. To address this, producers often explore affordable alternatives and substitute ingredients that maintain nutritional standards. Additionally, large-scale feed mills benefit from economies of scale, achieving lower production costs through bulk buying, mechanization, and efficient processes, whereas smaller units often struggle with higher expenses and limited market access. Feed formulation is designed for both nutritional efficiency and costeffectiveness. The use of advanced software allows for precise ingredient balancing to meet dietary needs while minimizing expenses, thereby improving feed conversion ratios (FCR) and reducing waste. Investments in processing innovations like extrusion and automated packaging enhance feed durability and quality, supporting premium pricing and minimizing spoilage. Effective branding, marketing, and customer service also contribute to the economic strength of feed businesses.

Cost of production of fodder is critical in deciding the profitability of fodder production and livestock production. In intensive animal farming, fodder plays a vital, because of the reason that, most of the feeding regimen of dairy cattle, buffalo and small ruminant production system is fodder based. Fodder make out the bulk o feed expenditure apart from compounded feed. Understanding the economics of fodder production is vital in production of fodder in livestock farms.

In India, only two species viz. Capsicum annuum and Capsicum frutescens are known and most of the cultivated varieties belong to the species Capsicum annum. Insect pests and diseases are among the major constraints to enhancing production and productivity of chilli. There are a number of diseases, bacterial and viral infections that can attack chilli plants. They can sometimes be difficult to identify as they can have similar symptoms. The limited availability of commercial cultivars, resistant to pests and diseases especially in hilly areas affects its productivity. This makes more important for the farmers to rely on proper management practices to control pests and diseases.

This chapter attempts to brief the effect of insect pest and diseases on production of chilli. It also describes the proper management techniques of insect pests and diseases in chilli, highlighting the economics of their management. The chapter covers the description of insect pests of chilli like Aphid, Red Spider Mite, Slugs and Snails, Caterpillars, Capsid Bugs and Thrips and diseases like Bacterial Wilt, Anthracnose, Cercospora Leaf Spot, Damping off and Leaf Curl.

Introduction

India is a major producer, exporter and consumer of chilli. Chilli (Capsicum annuum) belongs to the genus Capsicum under Solanaceae family. It is also called as hot pepper, cayenne pepper, sweet pepper etc. Chilli besides imparting pungency and red colour to the dishes is a rich source of vitamin A, C and E and assists in digestion. Recently, Russian scientists have identified Vitamin P in green chilli which is considered to be important as it protects from secondary irradiation injury. The pungency in chilli is due to an alkaloid capsaicin which has high medicinal value. Capsaicin has many medicinal properties, especially as an anti-cancerous agent and instant pain reliever. It also prevents heart diseases by dilating blood vessels. The Chilli plant is a white flowered, dark green or purple leaved plant that grows upto 1.5 m in height. The major chilli exporting countries with their percentage share in world total exports are India (25 %), China (24 %), Spain (17 %), Mexico (8 %), Pakistan (7.2 %), Morocco (7 %) and Turkey (4.5 %).

Integrated fish farming, combining fish cultivation with other agricultural or livestock practices, offers significant economic advantages, including increased production, reduced costs, and diversified income streams. By utilizing farm waste and resources effectively, it maximizes the return on land and water, leading to higher profits and improved sustainability.
CAPITAL AND OPERATIONAL COSTS
In integrated fish farming, capital costs cover initial investments like pond construction and equipment, while operational costs include ongoing expenses like feed, labor, and maintenance. Capital costs are the one-time investments needed to start the business, while operational costs are recurring expenses that vary with the level of production.
Cost Savings Through Resource Recycling
1. Fertilizer Replacement: Livestock manure, pond sludge, and biogas slurry together supply the majority of nutrient requirements for fish ponds and crop beds. By replacing up to 80% of chemical fertilizers, integrated farms save INR 10,000–20,000 per hectare per crop cycle.
2. Feed Efficiency: Natural pond productivity—boosted by organic wastes— provides 30–50 kg of natural fish feed per hectare per day. This can reduce commercial feed costs by 20–40%, saving up to INR 15–25 per kg of fish produced.
3. Energy Co-benefits: On-farm biogas from manure offsets 2–4 cylinderequivalents of LPG per household annually (INR 3,600–7,200 value), while recirculating aquaculture (RAS) reduces freshwater pumping energy by 50– 70%.

The economic dimension of natural feed management is fundamental to achieving sustainability in livestock farming, especially because feed representsthe most significant recurring expenditure in animal rearing. Through the adoption of farm-based inputs and time-tested traditional methods, natural feed management minimizes dependence on commercially manufactured feeds, thereby boosting the profitability of small and marginal farming enterprises. In contrast to intensive livestock systems that rely on costly, externally sourced feed, natural farming makes effective use of green fodder, crop residues, kitchen scraps, and locally available alternatives like azolla, moringa leaves, and oilseed cakes many of which are low-cost or readily accessible on the farm.
Significant cost reductions stem from practices such as reusing farm waste, relying on indigenous knowledge for formulating diets, and forgoing synthetic additives and antibiotics. For instance, preserving excess green fodder as silage or hay secures feed supplies for dry periods without resorting to market purchases. Additionally, natural supplements like fermented cow dung and urine mixtures (e.g., Jeevamrit), along with turmeric and neem leaves, offer economical substitutes for commercial growth promoters and veterinary drugs. These approaches contribute to healthier livestock, reduce veterinary interventions, and enhance product quality by avoiding chemical residues.

ABSTRACT

India is one of the leading coconuts producing country in the world. Yet, it does not figure in the list of leading exporting countries of desiccated coconut. The study makes an attempt to examine the Economics of production and marketing of desiccated coconut. The study was conducted in Tiptur taluk of Tumkur district. The primary data was collected from the 10 desiccated coconut entrepreneurs from Tipturtaluk of Tumkur district of Karnataka. The study reveals that desiccated coconut units were utilizing 78.9 per cent of their installed capacity. The net return per tonne of coconut processed by desiccated coconut units was lakh Rs. 32.1, lakh Rs.81.1, and lakh Rs. 114.5 in case of small, medium, and large sized units respectively. On an average Rs. 144.01 lakhs was needed for the establishment of desiccated coconut unit. Out of which the investment on land (53.64%) was a major cost followed by machinery (26.15%), building (15.11%), and power installation (5.11%). The break even analysis showed that all categories of units had processed more than breakeven level. The investment made on desiccated coconut units was realized back within 2 to 3 years. The major constraints faced by desiccated coconut units were lack of skilled labor, limited market for desiccated coconut, higher requirement of working capital, and use of obsolete machines. Motivating the entrepreneurs to improve the quality standards, and modernization of desiccated coconut units need to be considered to improve the performance of desiccated coconut sector.

Introduction

Global fisheries produced roughly 171 million tons of fish, with an estimated sale value of US$ 362 billion, generating over US$143 billion in exports in 2016. Around 60 million people across the world are employed in fisheries and aquaculture, with the majority in the small scale capture fisheries sector of developing countries (FAO, 2018). India has an annual harvestable potential of 4.414 mt. and with 9.9 lakh active fishers, the sector provides livelihood to nearly 4.0 million people including the post-harvest sector (Sathiananthan, 2017). The estimated value of marine fish at landing centre level was Rs. 48,381 crores and at retail level was Rs. 73,289 crores during 2016 (CMFRI, 2017). Seafood exports from the country reached 1.38 million tons valued at $7.1 billion in 2017-18 (MPEDA, 2018). The fishing fleet of the country includes 1, 94,190 fishing units consisting of 72,559 (37.31%) mechanized, 71,313 (36.67%) motorized and 50,618 (26.03%) artisanal craft (CMFRI, 2010). The mechanised sector contributed 82% of catch followed by motorised (17%) and non-mechanised (1%) sectors in 2016 (CMFRI, 2017).

The development of marine fisheries sector in India occurred in three phases. In the first phase (up to 1965-66) fishing was mainly done by using non-mechanized indigenous craft and gear. The second phase (up to 1985-86) witnessed increased mechanization, improved gear materials and introduction of motorized country craft. In the last phase (after 1986) there was intensification of mechanization, motorization of the country craft and multi-day voyage fishing (Sathianandan, 2013).

The craft and gear technologies in marine fisheries sector vary based on the types of fish caught and nature of fishing ground. The economics of different production technologies in the mechanised, motorised and non-mechanised categories were analysed based on the size of boats and capacities of engines and gear. The economic indicators developed in different coastal states helps for micro level investment decisions as well as for developing macroeconomic policies for the fisheries sector.

Introduction

Regenerative agriculture is an approach to farming and land management that focuses on restoring and improving the health of ecosystems and the soil (Latacz and Nuppenau. 2019). It goes beyond sustainable agriculture by actively seeking to regenerate and rejuvenate the natural resources utilized in agricultural practices (Lal, 2018). The goal of regenerative agriculture is to create a resilient and sustainable farming system that enhances biodiversity, improves soil health, sequesters carbon, and promotes overall ecosystem health (Paustian, et.al., 2018). Regenerative agriculture encompasses a range of practices and principles that vary depending on the specific context and agricultural systems (Smith et. al., 2015).

Regenerative Agriculture often include:

• Conservation tillage: Minimizing soil disturbance to maintain soil structure, prevent erosion, and preserve beneficial microorganisms.

• Cover cropping: Planting cover crops in between cash crops to protect the soil from erosion, improve nutrient cycling, and enhance soil fertility.

• Crop rotation and diversification: Alternating crops and incorporating diverse plant species to improve soil health, break pest cycles, and optimize nutrient use.

• Composting and organic matter management: Adding organic materials to the soil to improve its fertility, water-holding capacity, and nutrient availability.

• Managed grazing: Employing rotational grazing strategies to mimic natural grazing patterns, improve soil health, and promote plant growth.

• Agroforestry: Integrating trees, shrubs, or other perennial plants into agricultural systems to provide additional ecosystem services, such as shade, windbreaks, and habitat for beneficial organisms.

The harmful impact of chemical pesticides and fertilizers like gradual low productivity of land, growing nutrient imbalance in cultivated soils, accumulation of high pesticide residue in food materials, increasing resistance of harmful pests towards chemical pesticides and continuous increase in environmental pollution are forcing farmers to adopt organic or sustainable farming by considering vermicompost as possible substitute to the costly chemical fertilizers during crop cultivation. Gradual awareness among common people on organic farming, large availability of organic wastes in both rural as well as urban areas, more avenues of vermicomposting training, global market for organically produced foods and ever increasing unemployment problem have opened up greater prospects of commercial vermicomposting (Sannigrahi, 2012).

Q. 1 Annual depreciation of a machine is included in
(A) Fixed cost         (B) Variable cost
(C) Hiring cost         (D) None of the above

An economy is a human-made system developed or adapted to fulfill societal needs. There are three main types of economic systems namely mixed economy, capitalist economy, and socialist economy. The following are some key features of an economy:
• The type of an economy is determined by the ownership of resources and the means of production.
• Resources or means of production may be privately owned, allowing individuals the freedom to use them for profit, or they may be collectively owned and controlled by the government for the overall welfare of society.
• The three types of economic systems are classified based on the extent of individual freedom and the role of profit motive in each. 19.1. Capitalist Economy The capitalist, or free-market, economy is the most traditional form, where government involvement in economic activities is minimal.
Main features of a capitalist economy
1. Private property: In a capitalist economy, individuals have the right to own property, acquire assets, and utilize them for personal gain. There are no limitations on owning land, machinery, mines, or factories for profit and wealth accumulation.
2. Freedom of enterprise: Individuals have the freedom to choose any occupation they wish to pursue. The concept of free enterprise means that businesses are free to acquire resources and utilize them to produce any goods or services. Additionally, firms have the liberty to sell their products in any market of their choice, while workers have the right to select their employer.