这些黄叶是怎么回事,请知道的老师
这些黄叶是怎么回事,请知道的老师回答一下https://appimg.guoyetong.com/pic/20190718/1563460039795363_730.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190718/1563460039929719_135.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190718/1563460040250666_923.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190718/1563460040572439_346.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190718/1563460040902632_363.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
一般是干旱所致。 是生理期落叶,属正常现象 生理老化,缺水?缺肥? 干旱引起的生理落叶。 干旱缺水造成的 水肥供给不足引起的 这情况我也有,今年我们这里大旱。树大根浅干旱造成的。 干旱引起的生理落叶 干旱造成的,及时浇水。
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