Garden Cress-Weed Competition Год выпуска: 2013Автор: Muhammad Shehzad,Khuram Mubeen and Naeem SarwarИздательство: LAP Lambert Academic PublishingСтраниц: 72ISBN: 9783659336973Описание Weeds are considered as one of the serious pests of crops causing huge economic losses to countries annually. This menace can be controlled after knowing the damage on the base of density and duration. There is no need for controlling weeds for duration untill which weeds do not pose economic loss. But when weeds start to cause economic loss in crop fields it becomes compulsory to know duration within which the weeds cause maximum damage. it is only then that a judicious plan for weed control can be devised.
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Марина, 06.06 Юлия, здравствуйте! Спасибо огромное за дипломную работу - защитилась на отлично! Члены ГАК задали всего два (!) вопроса по результатам исследований (что, как и почему...). Ещё раз - СПАСИБО!!!
