וְחָרָ֨ה אַף־יְהוָ֜ה בָּכֶ֗ם וְעָצַ֤ר אֶת־הַשָּׁמַ֙יִם֙ וְלֹֽא־יִהְיֶ֣ה מָטָ֔ר וְהָ֣אֲדָמָ֔ה לֹ֥א תִתֵּ֖ן אֶת־יְבוּלָ֑הּ וַאֲבַדְתֶּ֣ם מְהֵרָ֗ה מֵעַל֙ הָאָ֣רֶץ הַטֹּבָ֔ה אֲשֶׁ֥ר יְהוָ֖ה נֹתֵ֥ן לָכֶֽם׃
永恆者就會向你們發怒，使天閉塞不下雨，土地也不出產；你們就必從永恆者賜給你們的美地上迅速滅亡。
Rashi
את יבולה [THE GROUND WILL NOT GIVE] ITS יבול — it will not yield even as much as what you have brought (יבול) to it (even the same quantity of seed you have sown in it), just as it is said, (Hag. 1:6) “You sow much, but bring in little” (Sifrei Devarim 43:28; cf. Rashi on Leviticus 26:20).
Ibn Ezra
I have already explained the word its produce [comment on Leviticus 26: 4].
Sforno
and as a result of such a development ואבדם מהרה, from hunger, which is a more painful death than dying by the sword.. Therefore, remain on guard!