<;P>;PROBLEM TO BE SOLVED: To provide an agricultural greenhouse hardly influenced by foreign elements such as rain, and low in cost. <;P>;SOLUTION: The agricultural greenhouse 1 having a dome shape includes: a framework 2 having many supports 10 established in parallel to one another in a longitudinal direction of the dome-shaped agricultural greenhouse; many switching windows 6 each set to the lower part of the greenhouse 1 and between the adjacent supports 10 and tilted around a horizontal axis while taking its posture into an almost perpendicularly closed posture (A) through an opened posture; axial members 13 supporting each switching window 6 to be tilted; first string through-holes 16 each set to a portion inside the switching window 6 and upper site of the axial member 13 when the window takes the closed posture; second string through-holes 17 each set inside the framework part and lower than the first string through-hole 16; a string 18 which is passed through the first string through-hole 16 and the second string through-hole 17 and one end of which is fixed; a take-up machine 20 for taking up the other end of the string 18; and a lock means 21 for locking the window so as to make the switching window 6 keep its opened posture. <;P>;COPYRIGHT: (C)2010,JPO&INPIT