Diffuse coatings were developed for crops that require a lot of light, but could still use some protection from warmth and direct sunlight. Within this group there are however small differences in needs regarding light and warmth. Therefore various diffuse coatings have been developed that differ fromm each other in terms of light distribution (Haze) and light transmittance (transmission).
Pollination is crucial for a good and healthy crop: without pollination, most crops will not develop or develop optimally. Most horticultural crops (especially tomato, sweet pepper , egg plant, zucchini, strawberry and melon) depend on insects (eg. Bumblebees) tor the transfer of pollen, but greenhouse plants, are out of reach of wild pollinators. Pollination through bumble bees is much less labour intensive and therefore cheaper.