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北京市顺义杨镇、北务、李遂等镇是北京的西瓜主产区,做为普通的农技推广人员,如何确保西瓜一季平安,保证农民增产增收,便成了我们义不容辞的责任,经多年实践,我们总结如下全程植保方案。苗期:为了使西瓜早上市,增强竞争力,瓜农普遍采用温棚苗床或营养钵,提前到2月下旬至3月中旬育苗,争取5月下旬到6月中旬西瓜上市。早春育苗,常遇上低温阴雨,光照不足,气候反常,若加上管理不善,便大量死苗。据调查,常年死苗率在20%左右,严重的高达55%,造成不少瓜
As the main watermelon producing area in Beijing, the towns of Shunyi, Shunyi in Beijing, Beiwu and Li Suii are the ordinary agricultural extension workers. It is our unshirkable responsibility to ensure that the watermelons are safe in the first season and ensure that peasants increase production and income. Years of practice, we conclude the following plan of plant protection. Seedling: In order to make the morning watermelon and enhance competitiveness, melon farmers generally use greenhouse seedbed or nutrition bowls, early February to mid-March nursery, for late May to mid-June watermelon market. Early spring nursery, often encounter low temperature rainy weather, lack of light, climate anomalies, if coupled with poor management, they die a large number of dead. According to the survey, the annual rate of dead seedlings is about 20%, and the seriousness is as high as 55%, causing a lot of melons