Narendra (Plus de 1 700 résultats)

Etat : New.

Etat : New.

Etat : As New. Unread book in perfect condition.

BPM. Etat : New. New Book. Shipped from UK. Established seller since 2000.

BPM. Etat : New. New Book. Shipped from UK. Established seller since 2000.

Hardbound. Etat : As New. Contents: Preface. 1. Introduction. 2. Environment and organism. 3. Pond bottom treatment. 4. Fish diseases. "To enhance aquaculture production, high stocking rate followed by heavy dose of fertilizers and feed influence the environmental stress factors exceeding acclimation tolerance limits of the cultured stock. As a result the occurrence of frequent fish disease epizootic lead to mortality of fish and decline in fish population.In fact, the production of fish show negative correlation with the environmental stress and disease. The various fish diseases of economic importance identified until now include ulcerative dropsy, columnaries disease, trichodiniasis, white gill spot, white scale spot, dactylogyrosis,black spot, ligulosis, ergasilosis, lernaeosis, argulosis, branchiomycosis and saprolegniasis, have been outlined in the book. Environmental diseases, such as, gas bubble disease, unionised ammonia stress, algal toxicosis, commonly encountered in culture system have been find place in the book. Much stress has been given, in this book, in combating epizootic fish diseases by good husbandry practices and proper monitoring of water quality. "Common shrimp diseases in culture systems and detailed updated informations about viral diseases, particularly, WSBV and WSSV of prawn, causing epidemic in shrimp hatchery and culture systems have been find place in the book. New topics, such as, marine medicines, immune system of fishes to fight diseases, ecomonitoring a measure to prevent stress and disease of fish and prawn, care of acquarium fishes and.…

Soft cover. Etat : New. ISBN:9789388668309.

Soft cover. Etat : New. ISBN:9789389996159.

Soft cover. Etat : New. ISBN:9789389996449.

Contents Preface Acknowledgement 1 Introduction 2 Paddy-paddy system 3 Paddy Jowar system 4 Paddy groundnut system 5 Maize groundnut system 6 Cotton groundnut system 7 Sugarcane system 8 Summary and conclusions AppendixThe technological innovations are taking place in the field of agriculture at a faster pace The role of technology in agricultural development has been well recognized by agricultural economists The technological developments in agricultural machinery have gained importance in the wake of HYV programme This has paved way for use of modern inputs such as improved seeds fertilizers agro-chemicals micro-nutrients mechanical sources of energy etc Introduction of modern agricultural technology has increased demand for the aboveFarm energy is derived from human labour animal and machines Farm energy is highly indispensable from timely completion of agricultural operations Economic implications of energy use in agriculture include increase in agricultural production farm incomes standard of living Use of energy which started during HYV programme 1960s has got further impetus in the recent past Economic benefits management aspects of energy use has not been determined in cropping systems This book would be great help to policy makers at governmental level for formulating regional energy policies 120 pp.…

Soft cover. Etat : New. ISBN:9789386110411.

Soft cover. Etat : New. ISBN:9789389695038.

Soft cover. Etat : New. ISBN:9789387590137.

Soft cover. Etat : New. ISBN:9789390309283.

Hardcover. Etat : Fine. Etat de la jaquette : Near Fine. 2nd Edition. A highly compressed discussion of both fish and crustacean disease and treatment. Heavy focus on prevention through proper pond prep and water quality maintainance.

Soft cover. Etat : New. ISBN:9789387590182.

Soft cover. Etat : New. ISBN:9789390611508.

Hardcover. Etat : New. ISBN:9789382471967.

Soft cover. Etat : New. ISBN:9789387590144.

Soft cover. Etat : New. ISBN:9789386110466.

Soft cover. Etat : New. ISBN:9789389996067.

Soft cover. Etat : New. ISBN:9789387590892.

Soft cover. Etat : New. ISBN:9789387590663.

Soft cover. Etat : New. ISBN:9789391063016.

Soft cover. Etat : New. ISBN:9789387590038.

Soft cover. Etat : New. ISBN:9789386110350.

Soft cover. Etat : New. ISBN:9789386110442.

Soft cover. Etat : New. ISBN:9789386110183.

Soft cover. Etat : New. ISBN:9789356518537.

Hardcover. Etat : As New. Contents: Preface. Introduction. General external features and internal organs of carp. I. Catla catla (Ham.): 1. History. 2. Synonyms, common and vernacular names. 3. Morphology. 4. Colour. 5. Distribution. 6. Age and growth. 7. Length-weight relationship. 8. Food and feeding. 9. Eggs and larval development. 10. Different stages of development. 11. Maximum size of Catla and Harvest. 12. Migration and movement (Spawning/breeding). 13. Seed collection of Catla. 14. Transportation of Fry. 15. Nursery rearing of Spawn. 16. Common diseases of Catla. 17. Control diseases of Catla and their control measures. II. Labeo rohita (Ham.): 1. Taxonomic position. 2. Synonyms, common and vernacular names. 3. Morphology. 4. Colour. 5. Distribution. 6. Occurence and morphology. 7. Food and feeding habits. 8. Age and growth. 9. Length-weight relationship. 10. Bionomics and life- history. 11. Eggs and larval development. 12. Post-larval stage. 13. Characteristics of advanced Fry and Fingerlings of Rohu. 14. Survival, growth of Spawn, Fry and Fingerlings of Rohu. 15. Fishing season and landing of Rohu. III. Cirrhinus mrigala (Ham.): 1. Synonyms, common and vernacular names. 2. Morphology. 3. Colour. 4. Distribution. 5. Age and growth. 6. Length-weight relationshp. 7. Food and feeding. 8. Embryonic and larval development. 9. Growth of Mrigal (C. mrigala). IV. Carp culture:1. Pre-stocking management of pond or preparation of the pond. 2. Clearance of aquatic weed. 3. Eradication of predator and unwanted trash fish. 4. Fertilization of ponds. 5. Manure. 6. Stocking. 7. Polyculture of.…