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棉花保护性地膜覆盖栽培,是棉花生产的新技术,可以克服冀北棉区无霜期短,春旱低温,热量不足等不利的自然条件,起到增温保墒,促进棉花早发育,早座桃,延长有效结铃期和避开“两头低温”的影响,达到既稳产又高产目的。但需要一定栽培条件和管理技术,才能发挥增产效果。如果地膜棉花在适宜生长的季节里出现了早衰,就会
Cotton protective film mulching cultivation is a new technology for cotton production, which can overcome unfavorable natural conditions such as short frost-free period, low spring drought and low calorie in northern Hebei cotton area, play a role of warming soil moisture, promoting early cotton development, early peach, Prolong the effective period of bolls and avoid the influence of “low temperature at both ends” so as to achieve the objective of both stable and high yield. However, some cultivation conditions and management techniques are needed to exert the stimulation effect. If the plastic film cotton in the season of suitable growth premature aging, it will be