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为了使草莓早上市 ,提高经济效益 ,我们从 1998年开始进行了塑料大棚草莓早熟栽培示范。经过 2 a在宁县九龙川龙二村的 15座塑料大棚示范栽培 ,比露地栽培提早上市 15～ 2 0 d,折合产量达到 180 0 0kg/ hm2 ,比露地常规栽培产量 142 5 0 kg/ hm2增产2 0 .8% ,平均经济收入达到
In order to make strawberry morning, improve economic efficiency, we started in 1998 plastic greenhouse strawberry early cultivation demonstration. After 2 years of demonstration in 15 plastic sheds in Long Er Village, Jiulong Chuan County, Ningxia, it was listed 15 ~ 20 days earlier than open field cultivation, yield reached 180 0 0kg / hm2, which was 2 500 kg / hm2 more than conventional open field cultivation 2 0 .8%, the average economic income reached