Madras Agricultural Journal
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Distribution og blue green algae (BGA) in gardenland soils and their nature

Abstract

                                Blue-Green algae (BGA) not only occur in low land rice fields which are flooded but also occur in gardenland soils rendered moist by irrigation. Although large mats do not appear small encrustations or growth occur along sides of irrigation channels, furrow slopes and certain cereals like maize fields. BGA occurred in these gradenland conditions exhibited a higher heterocyst frequency over wetland isolate under in vitro conditions.

Key words : Blue Green algae, Irrigated gardenland fields, Heterocyst

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