Castor (Ricinus communis) is planted from north area to south area in China.
蓖麻在中国分布较广，从南到北均可栽培。
Studies on the insecticidal activity of extract of Ricinus communis L. against insect pests were carried out in vegetable crops.
用蓖麻提取物对蔬菜重要害虫进行了杀虫活性研究。
Studies on the insecticidal activity of extract of Ricinus communis L. against insect pests were carried out in vegetable crops.
用蓖麻提取物对蔬菜重要害虫进行了杀虫活性研究。
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