Ahmed bin Yusuf bin Khalid أحمد بن يوسف بن خالد حمدان · The Chapters on Pawning

“I passed by some palm trees with the Messenger of Allah (ﷺ) and he saw some people pollinating the trees. He said: 'What are these people doing?' They said: 'They are taking something from the male part (of the plant) and putting it in the female part.' He said: 'I do not think that this will do any good.' News of that reached them, so they stopped doing it, and their yield declined. News of that reached the Prophet (ﷺ)…