It is estimated that 99 percent of all production problems in crawfish ponds are related to poor water quality. Dissolved oxygen (D.O.) is the most serious problem, but pH, total hardness, total alkalinity, ammonia, nitrite, hydrogen sulfide, and iron can also affect crawfish production.
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Here are all the possible meanings and translations of the word no mans land. Wiktionary(0.00 / 0 votes)Rate this definition: no mans land(Noun) The ground between trenches where a soldier from either side would be easily targeted. no mans land(Noun) A place where no one can or should be. no mans land(Noun) The area between the backcourt and the space close to the net, from which it is difficult to return the ball.