It is also preferable in an embodiment of the second photoreflective sheet that the porous microcapsule contains at least one selected from sustained release preparations consisting of an animal, bird or insect repellent, {TAIL ~ an insecticide}, a herbicide and {HEAD ~ a fungicide} to provide a durable effect of the chemical 
It is also preferable in an embodiment of the second photoreflective sheet that the porous microcapsule contains at least one selected from sustained release preparations consisting of an animal , bird or insect repellent , { TAIL ~ an insecticide } , a herbicide and { HEAD ~ a fungicide } to provide a durable effect of the chemical
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