Measured the intensity of sunlight at 09:00 am in Zhuqi Strawberry farm, it has reached 87,250 lux (Figure I), strawberries have been over the light saturation point. The same time, in color white transparent with density 32 net, the light transmission in greenhouse is about 57.98% = 50,587 lux (Figure IV V). In color pink with density 32 net, the light transmittance in greenhouse is about 41.05% = 35,816 lux (Figure II III). Indoor of pink greenhouse of the light saturation point –30,000 lux, photosynthesis has stopped or significantly decreased.
Back to the Zhuqi Strawberry Fields in 14:00, the sunlight intensity has reached 104,870 lux (Figure 6). The light saturation point has been over the strawberries light saturation point of 74,870 lux. Meanwhile there as floated a cloud, the sunlight intensity dropped to 47,530 lux (Figure 7).
By the change in the intensity of the sunlight above, it is known the strawberry in greenhouse with density 32 pink color’s net, the photosynthesis during the day time, photosynthetic efficiency for grow and quality is better than the white transparent greenhouse. Of course, the strawberry production will increase, better quality, more concentrated flavor, the taste is relatively good.
Enhance product value of quality and quantity with same effect to all fruits and vegetables. The performance is more evident for melons, beans.
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