What do you mean by half? The reason for the poor harvest is partly drought and partly insect disaster. It also means about half.
Such as one-third of the running script calligraphy, the table is good.
For example, half of regular script calligraphy, wood, wood.
For example, half of cursive calligraphy, good morning, good morning.
For example, half of the books are calligraphy, rice and rice seedlings.