Indices of nitrigen availability in soils of Haryana, Punjab and Himachal Pradesh
Malik, Ram Singh
Indices of nitrigen availability in soils of Haryana, Punjab and Himachal Pradesh - Ludhiana PAU 1968 - 29cm. : 56, x l.
SOILS - NITROGEN CONTENT - HARYANA
SOILS - NITROGEN CONTENT - HARYANA SOILS - NITROGEN CONTENT - HIMACHAL PRADESH SOILS - NITROGEN CONTENT - PUNJAB
T 631.416 M29I
Indices of nitrigen availability in soils of Haryana, Punjab and Himachal Pradesh - Ludhiana PAU 1968 - 29cm. : 56, x l.
SOILS - NITROGEN CONTENT - HARYANA
SOILS - NITROGEN CONTENT - HARYANA SOILS - NITROGEN CONTENT - HIMACHAL PRADESH SOILS - NITROGEN CONTENT - PUNJAB
T 631.416 M29I