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Water Logging
Over saturation of soil with water is called water logging. If for any reason, the water-table rises close to the ground surface it is bad for plants and soil fertility. Under water-logged conditions the air in the soil pores is replaced by water creating anaerobic conditions in the soil. Plant roots and aerobic soil biota will perish in oxygen deficient conditions and soil fertility will be lost.Rising of water-table upto the root zone affects plant growth adversely. When the watertable is near or just below the root zone, water rises upto the soil surface though capillary action. Water evaporates from the soil leaving behind the dissolved salts at the surface soil making it saline (Figure shown below). Unless the salts are somehow washed away or washed down, the soil remains too saline; to grow crops. It is important to prevent excessive irrigation and provide appropriate drainage facilities to prevent rising of water-table.
Salmonellosis in poultry A wide variety of serovars are prevalent among chicken, turkeys, ducks and geese. The poultry is an important reservoir of salmonellae. The common dise
CL A W S - In rabbit and other animals claws present, made up of keratine or S. corneum. Dorsal plate is unguise & ventral plate is sub unguise . Helpful in digging
Concomitant or Non-Paralytic Squnit This type of squint usually occurs when there is an obstacle in the sensory pathway of binocular reflex such as refractive errors, opacities
REASON'S FOR MENDEL'S SUCCESS 1. Mendel selected only pure breeding varieties of pea ( Pisum sativum ) for his experiments. 2. Mendel took only those traits
Assuming that all human proteins are 300 amino acids long, what fraction of the total number of possible different proteins is found in the human body?
1. Noise producing industries, railway stations, and aerodromes should be located away from the residential areas. 2. Check on the traffic in the residential colonies.
FUNCTIONS OF E.R. (1 ) Mechanical support - E.R. participates in formation of cytoskeleton with microfilaments, microtubules and intermediate filaments. (2 )
Explain about the Protein Isolates? Before we begin our discussion on protein isolates, let us first get to know how protein concentrates differ from isolates. Basically, the t
How can the hemolytic disease of the newborn be prevented? The Erythroblastosis fetalis can be prevented if in the first delivery of a Rh+ child from a Rh- mother serum contain
SCLEROTI C - White of eye. Outer thick, made up of fibres connective tissue. Protective layer. Give definite shape. Its anterior 1/6 part is thin, transparent known as
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