![](https://wkrtcs.bdimg.com/rtcs/image?w=606.66666666667&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"606.66666666667","h":"105.33333333333","dataType":"gif","c":"word/media/image1.gif"})
我的目标：
1、学习并初步掌握洋葱的栽培时间和方法,学习先进的栽培技术。
2、了解洋葱的生长条件和水、肥、土等对其生长的影响,初步掌握洋葱的田间管理方法。
3、能识别洋葱的几种主要病虫害,学会防治的方法，并了解安全使用农药的常识。
洋葱,百合科葱属中以肉质鳞片和鳞芽构成鳞茎的2年生草本植物。别名葱头、圆葱。富含蛋白质、碳水化合物、维生素C及磷、铁、钙等矿物质。因含挥发性硫化物而具有特殊的辛香味。可生食、炒食、煮食或调味，小型品种可用于腌渍。食用后可防治高血压和糖尿病等多种疾病，有防癌、抗衰老的功效。
![](https://wkrtcs.bdimg.com/rtcs/image?w=642.66666666667&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"642.66666666667","h":"718.66666666667","dataType":"gif","c":"word/media/image2.gif"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=353.33333333333&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"353.33333333333","h":"104","dataType":"gif","c":"word/media/image4.gif"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=634.66666666667&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"634.66666666667","h":"249.33333333333","dataType":"gif","c":"word/media/image5.gif"})
![](https://wkrtcs.bdimg.com/rtcs/image?w=528&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"528","h":"288","dataType":"jpeg","c":"word/media/image6.jpeg","imgOriW":1024,"imgOriH":768})
![](https://wkrtcs.bdimg.com/rtcs/image?w=409.33333333333&md5sum=2d293ca3dd7728505e0d46dbb9cd7a64&sign=736e6f917f&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=228&ipr={"t":"img","w":"409.33333333333","h":"233.33333333333","dataType":"gif","c":"word/media/image7.gif"})
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