Water and soil quality management in aquaculture

Course Objectives

To learn effective soil and water quality management practices which is important for any aquaculture endeavours .

Course Outcome

COs	Deliverables	Mapping COs with POs (High-3, Medium-2, Low-1)
CO1	Students will understand and gain knowledge on basics of management for water and soil quality which are basic needs of both and plant animal life.	PO3-3, PO10-3
CO2	The subject will impart knowledge on soil health, its assessment and maintenance for increasing soil productivity.	PO1-3, PO7-3, PO12-3
CO3	Students will be able to examine the of soil health, soil quality, and quality of water.	PO1-3, PO10-2
CO4	Students will be able solve bad environmental effect caused due to industrial effluents, waste water, algal bloom and aquatic weeds.	PO1-2, PO10-1, PO12-3

Course Syllabus

THEORY

Module-I

Soil and water interaction: Physical and chemical properties of soil and water, Productivity vs nutrient quality and quantity of soil and water; aquatic microorganisms and their role in carbon, nitrogen, phosphorus and sulphur cycles and impact on aquatic habitats and species; Fertilizers and manures: Different kinds of fertilizers and manures; fertilizer grade, source, rate and frequency of application; Use of treated sewage for pond fertilization and biofertilizers, Ecological changes taking place after fertilizing.

Practice:-

Water analysis: measurement of temperature,turbidity, determination of pH and EC. Determination ofinorganic nitrogen, and phosphorus

Module-II

Primary production and its estimation; degradation of molecules in aquatic environment; Utilization of bioactive compounds by microorganisms; Cat clay/pyrite soil and its management; seepage and its control.

Practice:-

Estimation of primary productivity and chlorophyll

Module-III

water treatment, water filtration devices, aeration, chlorination, ozonization and UV radiation; eutrophication; Algal bloom control; Aquatic weed management.

Practice:-

Determination of salinity, Chlorinity, Total solids,Redox potential, DO, Free CO2. Determination of total alkalinity, hardness.

Module-IV

Waste water treatment practices; Waste discharge standards; Water quality management in carp culture; Water quality management in brackishwater shrimp culture; Water quality management in hatcheries.

Practice:-

calculation of dose of fertilizers and pond liming

Module-V

Ecology of Pond system; Role of microorganisms in fish production; Microbial load and algal blooms; fluxes between mud and water, methane and hydrogen sulphide formation

Module-VI

Alkali soils and its management; Saline soils and its management; acid sulphate soils, iron pyrites, soil reclamation; Soil and water amendments: lime, manures,fertilizers, micronutrients, zeolites, alum, gypsum.

Module-VII

Effluent Treatment plant; Areation,Chlorination,Ozonisation and UV radiation; Waste and water Treatment Practices; Machine Leaning for water quality analysis.

practice:-

Jar Test

Reference and Textbooks