‏البيوع : Hadeeth No:3766 Jabir b. 'Abdullah (Allaah be pleased with them) reported: I heard Allaah's Messenger (sallAllaahu alayhi wa sallam) saying: Never does a Muslim plant, or cultivate, but has reward for him for what the beasts eat, or the birds eat or anything else eats out of that....

‏الحج : Hadeeth No:3161 Anas b. Malik (Allaah be pleased with him) reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) said: Allaah bless them in their measurements, bless them in their sa's and bless them in their mudd....