|
#3
6th May 2020, 11:21 AM
| |||
| |||
| Re: Crop Protection TNAU
The Tamil Nadu Agricultural University (TNAU) came into being on June 1, 1971.However, it had its genesis from establishment of an Agricultural School at Saidapet, Chennai, as early as 1868 and it was later relocated at Coimbatore. In 1920 it was affiliated to Madras University. It assumed full responsibilities of Agricultural Education and Research and supported the State Agricultural Department by delivering research products. Crop Protection: Plant Protection Equipments Pests and disease incident on the crops / plants are to be overcome by the application of poisonous chemicals. As the technology advances and newer crop varieties are introduced newer insects, pests and diseases are also growing up and methods are device to control them. Many chemicals used for plant protection cannot be handled by human operators directly. Also, that needs to be applied in fine particles. This necessitates the use of suitable machines. Sprayers The Sprayer is one which atomises the spray fluid (which may be a suspension, an emulsion or a solution) into a small droplets and eject it with little force for distributing it properly. It also regulates the amount of pesticide to avoid excessive application that might prove wasteful or harmful. The mechanical appliances that are used for distributing the dust formulations of pesticides are called as dusters. Types of Sprayers Sprayers are classified into four categories on the basis of energy employed to atomise and eject the spray fluid as Hydraulic energy sprayer Gaseous energy sprayer Centrifugal energy sprayer and, Kinetic energy sprayer Plant Protection Equipments under Crop Protection by Tamil Nadu Agricultural University     |