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菠萝原产我国两广和云南,属于热带作物。植株高70~80厘米,叶窄长、锯齿边沿,一般单果重1.5公斤。1997年北方大棚引种成功,亩产5000公斤以上,果实形状、颜色、味道均优于原产地,并且抗病、抗虫,繁殖力强。一、选址建棚选择中性壤质土地块,大棚规格尺寸和蔬菜大棚要求一样。冬季要有增温设施,保持严冬棚温5℃以上。二、栽植方法整地前每亩施5000公斤发酵腐熟后的农家肥和25公斤豆饼。耕翻深25~30厘米,整平,调南北畦。两米为
Pineapple native Guangdong and Guangxi and Yunnan, are tropical crops. Plant height 70 ~ 80 cm, long narrow leaves, jagged edges, the general fruit weight 1.5 kg. The introduction of the northern greenhouse in 1997 was successful, with a yield of more than 5000 kg per mu. The shape, color and flavor of the fruits were better than the original ones. And they were resistant to disease, insect pests and fertility. First, the choice of site construction shed neutral loam plots, greenhouse specifications and requirements of the same greenhouse. Winter warming facilities, to keep the winter shed temperature above 5 ℃. Second, the planting method Before planting acre 5000 kg per acre fermented corn fat and 25 kg bean cake. Plow deeper 25 to 30 cm, leveling, transfer North and South Huan. Two meters for