Model
|
Function
|
TPY-IV
|
1. Test N, P, K, Organic Matter;
2. with storage function; 3. built-in the amount of nutrients needed for growth of 73 kinds of crops, can provide guidance for fertilizing amount according to needs; 4. Without printing function |
TPY-6A
|
1. Test N,P,K, organic matter, soil pH, soil salinity;
2. with storage function; 3. built-in the amount of nutrients needed for growth of 73 kinds of crops, can provide guidance for fertilizing amount according to needs; 4. with printing function |
TPY-6PC
|
Based on TPY-6A, with a software, be able to connect to computer for data
storage |
TPY-7PC
|
On the basis of TPY-6PC, but add one more parameter: soil moisture
|