1 Weeds compete with the main crops. 2  High tendency of a carryover of the insect pests and diseases from the crop residues. 3  Organic matters are not evenly distributed or are concentrated at the topsoil. 4  It needs patience and waits a longer time to have an excellent soil. A system where the soil is not disturbed between harvesting one crop and planting the next. 2  It is a crop production where the soil is not traditionally tilled or cultivated although sticks or other planting equipments are used to make the openings for seeds. 3  Ridge tillage.
Parents Need to Know. Parents need to know that Nerve is a teen thriller about a popular online video game (with some parallels to Pokemon Go) that can become dangerous. There are lots of scenes of teens (played by actors in their twenties) performing dangerous and/or thrilling stunts; some fail and get hurt. Guns are also shown, with some shooting.
Nerve Tissue. Although the nervous system is very complex, there are only two main types of cells in nerve tissue. The actual nerve cell is the neuron. It is the conducting cell that transmits impulses and the structural unit of the nervous system.The other type of cell is neuroglia, or glial, cell.The word neuroglia means nerve glue.. These cells are nonconductive and provide a support system for the neurons. They are a special type of connective tissue for the nervous system.erve Tissue. Although the nervous system is very complex, there are only two main types of cells in nerve tissue. The actual nerve cell is the neuron. It is the conducting cell that transmits impulses and the structural unit of the nervous system.