HLS Tandon
Methods of analysis of soils , Plants, water and fertilisers - New Delhi F D C O 1993 - 143
8185116318
Fertilisers and organic manures
Irrigation waters
631.4 / HLA/ME
Methods of analysis of soils , Plants, water and fertilisers - New Delhi F D C O 1993 - 143
8185116318
Fertilisers and organic manures
Irrigation waters
631.4 / HLA/ME