Self-pollination: The pollen grain lands on the same flower it originated from. Cross-pollination: The pollen grain lands on a different flower to the one it originated from. As plants cannot move ...

A self-pollinating tree ... gardening expert from gardening app Taim.io. 'Cross-pollination between trees often improves the size and quantity of the fruit,' she explains. Having a second tree ...

But for farmers producing plants for hemp fiber and those cultivating flowering plants for medicinal purposes, cross-pollination between neighboring fields has become a significant challenge.