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Nematodes
These are next to protozoa and are the abundant soil microfauna in soil. They are also called eelworms, thread worms or roundworms. Nematodes that feed on decaying organic matter are called saprophytic; those which feed on earthworms, other nematodes, etc, are predatory, and those feeding on roots of higher plants are parasitic. The saprophytic group is abundant in soils, but those belonging to the other two groups are agriculturally important in the sense that they cause loss of vigour of the root system and make plants growing in nematode infested soil liable to diseases. The damage to crops may be controlled by crop rotation, ploughing, use of organic manures, and oil cakes etc. The most successful method in controlling nematodes is soil fumigation with nematicides.
What is clay minerals The fraction of secondary minerals is often mixed with primary minerals and oxides of iron, aluminium and silicon and has a size of less than 0.002
Release of Energy : When the atom splits, the masses of the fragments and the neutrons produced do not add up to the mass of the original. A tiny amount of matter disappears. Th
Holding water in a sieve Pour some oil over the wire mesh of a kitchen sieve and shake out the overload so that the holes are open. Cautiously pour water into the sieve from a
The Maximum theoretical limit of channel is governed by Nyquist theorem, which says Bth = 2 x freq in hertz x log2L ( where L = number of level) Thus we have in this case Bth= 2x60
a manufacturer of fasteners uses a four die nut former to produce blanks and the piercer punch began to break down using stainless steel bar stock. what change can be made so the m
Rockets or Launch Vehicles: Every flight into space begins with a rocket launching. The rocket can lift a satellite or spaceship carrying human beings and equipment into space
what is soil erosion?
which nutrient contains carbon, hydrogen, oxygen, nitrogen and sometimes sulphur and phosphorus?
Composition of Bile - Liver and Bile Stored in the Gall Bladder There is a slight difference between the composition of bile produced by the liver and bile stored in the gall b
50ml of a .432 M solution of a blue dye solution was pipette into a 200mL volumetric flask and DI water was added to the mark and th flask was thoroughly shaken. Then 10mL of THAT
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