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大棚生产是一项综合技术,有许多问题需要研究探讨。为最大限度地利用现有结构,在单位时间内提高产出,增加效益,我们通过增加作物种类和品种,立体种植,延长了棚架和棚模的利用时间,达到了降低成本,增加收入之目的,丰富了市场供应。一、试材和方法试点设在沧州市郊区河?
Greenhouses production is a comprehensive technology, there are many problems need to be explored. In order to maximize the use of existing structures and increase output per unit time and increase profitability, we have achieved the goal of reducing costs and increasing revenue by increasing the types and varieties of crops and planting them three-dimensionally. The purpose of enriching the market supply. First, the test materials and methods Pilot City located in the suburbs of Cangzhou?