eChapters

In tomato seed extraction is the very important operation. Tomato seed can be extracted by following way.

1. Fermentation methods: Red ripe fruits should be picked and crushed in non metallic pots. Profuse foam formation indicates that fermentation is completed. Fermentation of seed material should not be prolonged beyond 72hr to get seed of high germination. Preferably the seed should be washed free of pulp after 48hr require temperature uses.
2. Acid treatment methods: In case of urgency seed may be washed by using 1.0 to 1.5 liters of 35 to 38% concentrated HCL/g tomato fruit pulp. Fermentation is completed in about 30 minutes. Clean seed are obtained by stirring and washing procedure are quickly as possible.
3. Alkali treatment methods: In case Alkalie 10% sodium bicarbonate is mixed in equal volume of pulp or 300 g washing soda dissolve in 4 liter of boiling water is sufficient for 4 liter fruit pulp.
4. Mechanical methods: It is used for large scale operations put the ripe fruits into the mechanical seed extractor for crushing and separation of the seed and gel from the pulp. By acid 0.8% solution of acetic acid for 24hr at or below 21⁰C (1kg seed/10 liter of acetic acid).

Introduction

The most important factor that influences the activity of bacterial enzymes is temperature. Most ofthe organisms grow under mesophilic conditions (at25⁰C). If the optimum temperature is increased, the rate of growth of organism is affected due to changes in protein structure which results denaturation of critical cell protein and ultimately inhibitsthe growth. If temperature is below critical temperature, then there is complete stoppage of growth as less activation energy is available for critical process to occur. However, there are certain organisms which can tolerate extreme temperatures viz.

1. Psychrophiles: Tolerate and grow at > 20⁰C temperature
2. Mesophiles: Tolerate and grow at between 20⁰C and 45⁰C temperature
3. Thermophiles: Tolerate and grow at <45⁰C temperature.

Calves play an important role in the dairy development and successful growth of young calves to mature stage is required for herd replacement and to get economic returns when they are sold. Good calf-care is important for sustenance of the dairy form and preservation and maintenance of good quality germplasm.

Despite the meticulous methodology and extensive analysis employed throughout this research project, it is crucial to acknowledge and address the limitations that arose during the study. By recognizing these limitations, we not only ensure a transparent evaluation of the research process but also shed light on potential areas for future investigations to refine and expand upon the findings.

In this section of the chapter, the limitations encountered in this thesis are highlighted as follows:

1. Due to the complexity of the concept, obtaining quantitative responses proved to be exceedingly challenging.

2. The development of improved scales for scoring could have enhanced the research if implemented.

3. The inclusion of a greater number of relevant variables could have provided a more comprehensive and in-depth understanding of the research topic.

4. Deploying mathematical optimization and simulations could have effectively integrated and co-integrated the seemingly disparate aspects of climate change perception, uncertainty perception, and perception of agricultural dynamics.

5. Presently, farmers are hesitant to engage in conversations and provide data to individuals outside their close social circles.

Objective
After performing this experiment you will be able to learn:
Moisture content of packaging material.

Introduction

The moisture content of paper is a critical parameter that significantly affects its other properties, such as printing quality and absorbency. Maintaining an optimal moisture level is essential for ensuring the functionality and durability of the paper. For instance, double-faced corrugated boards tend to break or crack during bending operations if they are too dry.

Procedure

• Weigh the conditioned specimen and place it in a drying oven, maintained at a temperature of 103°C ± 2°C, to expel moisture. Continue heating until a constant weight is achieved.

• If the moisture content of the paper is to be determined "as received," the sample should not be conditioned.

7.1. Summary and Conclusion
In its recent move to attaining sustainable development goals through revamping agriculture, ICAR has focused on achieving health and nutritional status through agriculture. In doing this a database and quality information on health, hygiene and nutrition of rural women have become an imperative. Health, hygiene and nutrition are organically connected to each other. One cannot be achieved without the others. The present study has delved into the complex interactions and interrelationship between a set of 13 exogenous variables and another set of 5 consequent variables. A score of 70 rural women have been selected from Bilkumari village of Nadia district by following both random and non-random sampling methods. The stepwise regression analysis analyses for different dependent variables depict that the variables family size (x3), income per year (x4), distance from work place (x6), height (x7), weight (x8), BMI (x9), hip circumference (x12), waist to hip ratio (x13) have been recorded as to exert substantive functional impact on health, hygiene and nutrition of rural women. The factor analysis elicits the fact that instead of 18 exogenous and consequent variables together there have been 4 factors as extracted by calculating the factor loading. These factors are- health ecology, physical status, family ecology and strategic location. Sometimes we are moving in a wrong direction by concluding that if food and calorie are made available for the rural women, the health and nutrition will be achieved. The study has identified that unless proper understanding of health, hygiene, nutrition and health hazards is being build up, no external supply and services can solve the problem of malnutrition and health hazards. Thus, the study has generated huge pool of policy implications after being supported by plethora of far evidences, the output of this empirical research.

Common name    :    English- Coconut
        Hindi- Nariyal
        Odia- Nadia

Family    :    Arecaceae

Habit & Distribution
The plant is a large palm (Fig. 32 a), commonly cultivated, especially in the coastal belts. It is cultivated in the hot and damp regions of India mostly near the sea.

General Characters
It is a large palm reaching up to 30 m in height with pinnate leaves, 4-6 m long and with pinnae 60-90 cm long. The fruit of the plant is a drup and it carries 3 layers; the exocarp, mesocarp and endocarp. The plant has fibrous root system. The tree bears both male and female flowers on the same inflorescence, thus the plant is monoecious. It bears flowers and fruits throughout the year.

1. Botanical Name : Aporosa lindleyana (Wt) Baill.

2. Family : Euphorbiaceae

3. Common Name : Lindley’s Aporosa

4. Name in Indian languages: Yechi pan (Kodwa), Salle mara, Sali, Sarali, Sulla (Kannada), Kodali, Kotili, Ponvetti, Vetti, Vittil (Malayalam), Kodali, Vettikan, Vettil, Vittil, Vitti (Tamil),Valaka (Sanskrit).

5. Description

It is tree, belongs to Euphorbiaceae family which grow up to 15 m height. Tree bark is smooth to shallowly fissured, brownish; blaze pink. Leaves are simple, alternate, oblong-lanceolate, acute, 7.5-17 cm long. Flowers unisexual, dioecious; male flowers in axillary catkins; female flowers in condensed cymes.

Practice to calculate the weight / volume of reagents required to prepare the following standard solutions.

Preparation of Standard Solution - (1 M, 0.1 M, 1 N, 0.1 N, 0.5 N, 5%, 10%, 20%, 10 ppm, 20 ppm, 100 ppm)

Introduction

The water potential plays an important role on growth of bacteria. If the medium has higher concentration of solute, it is said to be hypertonic. Due to this, the cytoplasm dehydrates and shrinks, resulting in inhibition of growth of bacteria. If solute concentration is less, the medium is hypotonic and hence maximum osmotic pressure on the cell.

Requirements

1. Cultures of E.coli and Bacillus
2. Nutrient agar
3. Sodium Chloride (stock solution at 5 M concentration)
4. Inoculating loop
5. BOD incubator

Procedure

Maintenance of optimum fertility and reproductive goals is very important for profitable and economically viable cattle rearing. It is highly desired and essential for the farmers to maintain the high reproductive efficiency in cows so that the losses incurred on infertility are reduced to the maximum extent through good managemental practices and following scientific guidelines properly.

As the present study draws to a close, it opens up a myriad of possibilities for future research and exploration in the field of the present study. The insights gained and the findings presented in this thesis may provide a foundation for building upon and extending the existing body of knowledge. By identifying key areas that require additional attention and offering suggestions for future studies, this section of the chapter aims to inspire and guide researchers in their pursuit of enhancing our understanding and driving progress in this dynamic and evolving field.

The present study leaves behind the following domains which may be researched out in future:

1) The present research can be replicated with varied geo-spatial situations viz., in different locations and settings, with different respondents, with spatio-temporal expansion and methodological innovation.

2) PRA tools and materials can be deployed to collect more specific data to compensate for the inadequate information to go for the classical statistical approaches.

3) Multi-criteria decision analysis (MCDA) techniques can be integrated with mental modelling and fuzzy logic cognitive mapping so to enhance the decision-making process.

4) To realize the full potential of these frameworks, collaboration and knowledge sharing among researchers, practitioners, policymakers, and farmers are essential. Continued research and development efforts are needed to refine and validate the models, enhance user-friendliness, and adapt them to diverse agricultural systems and contexts.

Common name    :    English- Croton
        Hindi- Croton 
        Odia- Baska

Family    :    Euphorbiaceae

Habit & Distribution
It is an evergreen shrub (Fig. 33 a) widely planted in gardens and also cultivated. It is distributed throughout tropical region.

General Characters
The plant is a shrub which grows up to 10 ft in height and having large, leathery and shiny leaves. Depending on the cultivar, the leaves may be ovate to linear, entire to deeply lobed and variegated with green, white, purple, orange, yellow, red or pink colours. It bears long clusters of small inconspicuous white or yellow flowers. The plant bears flowers and fruits during dry seasons (March-June).

Aim

To know the immobilization technique for fractured metatarsus.

The fractured metatarsus comes under lower level fracture whose immobilisation is cast as well as conjoined U-Plate application. (Fig. 1).

Requirements

Thick padded cloth (Fig. 2(a)

Padded netted bamboo splint (Fig. 2(b)

Conjoined U plate (Fig. 2(c)

Breaking of soil aggregates and dispersion followed by a rapid drying leads to rearrangement and coherence of soil solids in the form of surface crust. The cohesion exhibited by soil upon drying is directly related to surface crusting and clod formation. The formation of soil crusts and hard clods is a major structural feature of soils. Seedling emergence of cereal crops is generally controlled by point resistance around the shoot tip (Richards, 1953). Penetrometer, which measures the resistance to vertical penetration in soil, is an effective instrument to evaluate the crust strength. A relationship between penetration resistance and seedling emergence would serve as a guide to ensure optimum soil condition for a desired plant density.

Apparatus and Accessories

Penetrometer, moisture box, trowel, electronic balance and oven.

1. Botanical name : Ardisia solanacea Roxb.

2. Family : Myrsinaceae

3. Common Name : Shoebutton Ardisia, duck’s eye

4. Name in Indian languages

Bisi (Hindi), Kadna, Katapenga, Bugadi, Dikna, nilbedsi (Marathi), Manipudbam, Kozhikkottai, Narikandam (Tamil), Kaka-njara(Malayalam), Bodhina gida, Shuli, Bode, Sore(Kannada), Banjam(Bengali), Damaai Phal (Nepali), Tinkoli (Oriya).

5.1 Volumetric Techniques or Titrimetric Analysis

Acid Base Neutralization Reactions-Acidimetry & Alkalimetry

Oxidation –Reduction Reactions-Oxidometry (Permanganometry) & Dichrometry

Introduction

The pH (hydrogen ion concentration) of the environment provides the maximum effect on the growth of bacteria. Each organism grows at its optimal pH. Due to variation in other factors such as temperature, osmotic pressure etc marked changes in pH have also been observed.

Requirements

1. Erlenmeyer flasks (100 ml)
2. Culture of E. coli
3. Pipettes
4. Spectrophotometer
5. pH meter

Procedure

Introduction

Subculture is key skill in bacteriological laboratory allowing us to colony propagate a pure culture in single colony. Pure cultures are essential for characterization such as identification using biochemical test or antimicrobial susceptibility testing.

Protocol

1. Label your fresh blood agar plate.

2. Select a single colony to subculture (colonies grows by clonal expansion; each colony should be a pure strain.)

3. Use the colony you have just picked to make the 1st streak on your fresh plate.

Objective
After performing this experiment you will be able to learn:
pH value of packaging material.

Introduction

As mentioned earlier, these tests are performed to assess the suitability of the board for printing, corrosion protection, food packaging etc. The presence of acid in paper or paper possessing an acidic reaction is a property of specific importance. Not only may the presence of acid effect the aging properties of paper, but it also may act upon materials that come into contact with the paper. In addition, the sizing of paper, wet strength treatment, and dye and fillers retention, usually depend upon the addition of alum or other acidic materials to the beater furnish. Hence many appers are acidic to various degrees at the time of manufacture. pH is a measure of hydrogen ion present which depends both upon the amount of acidic material and upon its degree of ionization. Hence, pH does not measure the amount of acid present. Since it is the 'activity or ‘intensity’ of acid that is usually of most interest, the pH value is the more common test.