1. 秆黑粉，不抽穗;散黑穗，不长粒;腥黑穗，粒腥味。

1. The stems are blackened and do not produce spikes; scattered black spikes do not grow grains; and musty black spikes have grains with a musty taste.

2. 芒种是农历二十四节气中的第9个节气，夏季的第三个节气，表示仲夏时节的正式开始；太阳到达黄经75°时叫芒种节气。芒种字面的意思是“有芒的麦子快收，有芒的稻子可种”。《月令七十二侯集解》：“五月节，谓有芒之种谷可稼种矣。”此时中国长江中下游地区将进入多雨的黄梅时节。

2. Mangzhong is the 9th solar term in the 24 solar terms of the lunar calendar, the 3rd solar term of summer, marking the formal beginning of the midsummer season; the solar term of Mangzhong is when the sun reaches the meridian of 75°. The literal meaning of Mangzhong is "the wheat with芒 is ready for harvest, and the rice with芒 can be planted." In "The Explanation of the Monthly Commands of the 72 Divisions," it is said: "The fifth month is the time when the seeds with芒 can be planted." At this time, the middle and lower reaches of the Yangtze River in China will enter the rainy plum season.