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

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