TY  - BOOK
AU  - Piper, C S
TI  - Soil and plant analysis: a laboratory manual of methods for the examination of soils
SN  - 9788172336202
U1  - 631.4 
PY  - 2011///
CY  - Jodhpur
PB  - Scientific Publishers
KW  - Collection and preparation of soil sample
KW  - Single value soil constants
KW  - Soil colour
KW  - Calcium carbonate
KW  - Nitrogen
N1  - Soil and plant analysis a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants; 1942
ER  -