Declension table of ?kṛṣṇabhūmika

Masculine	Singular	Dual	Plural
Nominative	kṛṣṇabhūmikaḥ	kṛṣṇabhūmikau	kṛṣṇabhūmikāḥ
Vocative	kṛṣṇabhūmika	kṛṣṇabhūmikau	kṛṣṇabhūmikāḥ
Accusative	kṛṣṇabhūmikam	kṛṣṇabhūmikau	kṛṣṇabhūmikān
Instrumental	kṛṣṇabhūmikena	kṛṣṇabhūmikābhyām	kṛṣṇabhūmikaiḥ kṛṣṇabhūmikebhiḥ
Dative	kṛṣṇabhūmikāya	kṛṣṇabhūmikābhyām	kṛṣṇabhūmikebhyaḥ
Ablative	kṛṣṇabhūmikāt	kṛṣṇabhūmikābhyām	kṛṣṇabhūmikebhyaḥ
Genitive	kṛṣṇabhūmikasya	kṛṣṇabhūmikayoḥ	kṛṣṇabhūmikānām
Locative	kṛṣṇabhūmike	kṛṣṇabhūmikayoḥ	kṛṣṇabhūmikeṣu

Compound kṛṣṇabhūmika -

Adverb -kṛṣṇabhūmikam -kṛṣṇabhūmikāt