Plants Get Sunburn Too
Just like how people damage their skin in the sun, products can also get nasty burns. That's why farmers are increasing applying sunscreen to their crops to prevent skin blistering, heat stress and blemishes.
Sunspots on a Granny Smitch apple can mean the difference between the lowest pricefor juice or the more lucractive fresh fruit market.
As for nuts, buyers last year paid on average 3 cents per 500g more for sunscreen protected nuts than untreated one. With yields topping more than 900kg per 4000 square metres, it add ups.
Climate change and drought in Australia and California's Central valley have meant challenging growing conditions for farmers that are affecting the quality, yields and price of the product.
Sunscreens alleviate at least one worry for farmers who lose money for each druit or vegatble that develps sun damage. Plants react to sun stress like humans. They perspire, a process called transpiration which means the more temperatures rise, the more water they need.
As drought grips several of the world's key growing regions, scientists are looking at ways to conserve by helping plants use less.
Liquuified clay has been used for many years but a California company is finding positive results with an SPF 45 product made of multi-crystaline Calcium Carbonate crystals that are engineered to specifically deflect ultraviolet and infrared light from the plants and trees on which it is sprayed.
The product keeps out the bad light, but lets in the good photosynthesis rays that air ripening. It has been tested in Australia and Chile, where UV rays affect production, and is in the second year of field tests in California.
Tests show that its immediate impact is increasing yields by diminishing stress and heat related defects. It also can play a role in water and energy conservation by increasing a plant's water efficiency.
Sunspots on a Granny Smitch apple can mean the difference between the lowest pricefor juice or the more lucractive fresh fruit market.
As for nuts, buyers last year paid on average 3 cents per 500g more for sunscreen protected nuts than untreated one. With yields topping more than 900kg per 4000 square metres, it add ups.
Climate change and drought in Australia and California's Central valley have meant challenging growing conditions for farmers that are affecting the quality, yields and price of the product.
Sunscreens alleviate at least one worry for farmers who lose money for each druit or vegatble that develps sun damage. Plants react to sun stress like humans. They perspire, a process called transpiration which means the more temperatures rise, the more water they need.
As drought grips several of the world's key growing regions, scientists are looking at ways to conserve by helping plants use less.
Liquuified clay has been used for many years but a California company is finding positive results with an SPF 45 product made of multi-crystaline Calcium Carbonate crystals that are engineered to specifically deflect ultraviolet and infrared light from the plants and trees on which it is sprayed.
The product keeps out the bad light, but lets in the good photosynthesis rays that air ripening. It has been tested in Australia and Chile, where UV rays affect production, and is in the second year of field tests in California.
Tests show that its immediate impact is increasing yields by diminishing stress and heat related defects. It also can play a role in water and energy conservation by increasing a plant's water efficiency.
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