天气预报 > 生产 > 番茄授粉蜜蜂好还是沾花好
番茄授粉蜜蜂好还是沾花好
更新时间: 2021-05-13 02:57:04  

1、番茄授粉一般不用蜜蜂而是用熊蜂,用熊蜂给番茄授粉比沾花更有效更省钱且不会产生药害。

2、熊蜂和蜜蜂本是同一属性,与蜜蜂相比,熊蜂进化的较为原始。熊蜂对蜜源的需求不高。访花以采粉为主。相对于没有蜜源的西红柿,熊蜂授粉非常适合。

3、如果使用药物点花,促使其坐果来提高座果率。或者使用振动授粉器或者苍蝇等来完成西红柿授粉。一个生产季节下来,人工劳动强度增加,还容易产生畸形果、空腔、花朵不能自然脱落,在生产过程中增加了灰霉病等影响,往往在卖价上大打折扣。

关键词: 番茄 授粉 蜜蜂 还是

番茄授粉蜜蜂好还是沾花好相关经验

天气预报

最新推荐

页面:/news/view-504759/ | 耗时:0.7050 s | 内存:2.11 MB | 查询:5 | 缓存读取:3 写入:1 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=504759 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=504759 LIMIT 0,1
select * from tbl_Articles_sphinx where id=504759 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3932179,503341,1891093,3281469,3296831,717194,908780,1197596,2674215,409497,383356,1113372,3437491,537666,616550,3499345,963736,80193,3229131,1209006,539669,1661274,3112069,2346513,2666044,1153051,3521737,2865639,894569,1608456) ORDER BY field (ArticleID,3932179,503341,1891093,3281469,3296831,717194,908780,1197596,2674215,409497,383356,1113372,3437491,537666,616550,3499345,963736,80193,3229131,1209006,539669,1661274,3112069,2346513,2666044,1153051,3521737,2865639,894569,1608456)
SELECT * FROM tbl_categories where CategoryID=90028 LIMIT 0,1