Title: Intelligent tool for directing scientific fertilization
Application Number: 03153815 Application Date: 2003.08.22
Publication Number: 1489887 Publication Date: 2004.04.21
Approval Pub. Date: 2006.04.12 Granted Pub. Date: 2006.04.12
International Classifi-cation: A01C21/00
Applicant(s) Name: Soil Address: 100081
Inventor(s) Name: Zhang Weili, Li Zhihong
Attorney & Agent: yu changjiang
Abstract:
     An intelligent tool for guiding the scientific application of fertilizer is composed of an input device for recording the different parameters for different field blocks in a field area, a storage unit for storing the operating program and the parameters independent to the field blocks in a field area, an operating and controlling unit for calculating the balanced values of N, P and K in unit area and determining the recommended values of N, P and K nutrients and an output device for outputting said recommended values.
Time: 8