WE RELATE IN the Ṣaḥīḥ of Muslim that Abū Hurayrah 
narrated that when people saw the first fruit of the year they brought it to the Messenger of Allah 
. When the Messenger of Allah received it he said: “O Allah, bless us in our fruit, bless us in our city, bless us in our ṣā‘ and bless us in our mudd.” [1].Then he called the smallest of the children and gave him that fruit. [2].
narrated that when people saw the first fruit of the year they brought it to the Messenger of Allah . When the Messenger of Allah received it he said: “O Allah, bless us in our fruit, bless us in our city, bless us in our ṣā‘ and bless us in our mudd.” [1].Then he called the smallest of the children and gave him that fruit. [2].
Allāhumma bārik lanā fī thamarinā, wa bārik lanā fī madīnatinā, wa bārik lanā fī ṣā‘inā, wa bārik lanā fī muddinā.
In a narration of Muslim there is: “‘As a blessing along with a blessing,’ and then he would give it to the youngest of the children in his presence.” In a narration of at-Tirmidhī there is: “The youngest child he saw.” [3].
Barakatan ma‘a barakah.
In a narration of Ibn as-Sunnī from Abū Hurayrah there is [this hadith]: “I saw the Messenger of Allah , when he was brought the first fruits, place them on his eyes and then on his lips and say, ‘O Allah, just as You have shown us the first of it, let us see the last of it.’ Then he would give it to whatever small children were with him.” [4].
there is [this hadith]: “I saw the Messenger of Allah , when he was brought the first fruits, place them on his eyes and then on his lips and say, ‘O Allah, just as You have shown us the first of it, let us see the last of it.’ Then he would give it to whatever small children were with him.” [4].
Allāhumma kamā araytanā awwalahu fa-arinā ākhirah.
References
[1] Ṣā’ and mudd are units of volume, used in buying and selling grains, dates, etc.
[2] Muslim (1373), an-Nasā’ī in ‘Amal al-yawm wa al-laylah (302).
[3] at-Tirmidhī (3454),
[4] Ibn as-Sunnī (280)