TY  - BOOK
AU  - Boyd,John
TI  -  Agricultural soil crop and production quality
SN  - 9781632399489
U1  - 631.452 
PY  - 2018///
CY  - China
PB  - CALLISTO REFERENCE
KW  - Soil
KW  - Crop production
N1  - Includes Index
ER  -