سيستم آبيارى قطرهاى بايد بحد كافى كوچك باشد تا يك كشاورز تنها مجبور به مخاطره انداختن يك چهارم هكتار شود، حتى اگر دو هكتار هم داشته باشد، باز هم ريسك كردن همه آنچه كه دارد، خيلى وحشتناك است.
The drip irrigation system had to be small enough that a farmer only had to risk a quarter acre, even if he had two, because it was too frightening, given all that he had at stake.ted2019 ted2019