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At our estate Margarita Vineyard, sustainability isn’t just a buzzword—it’s a true force of resource conservation with positive benefits to both the vineyard environment and the resulting wines.
With the new growing season about to get rolling with spring bud break, one of our most effective sustainable practices is set to play a role in the 2014 vintage.
This would be “compost tea,” a liquefied natural compost fertilizer that is delivered right to the root zone of the vines via our drip irrigation lines. The use of compost tea has drastically cut our use of synthetic fertilizers, creating a more balanced soil composition and providing wholesome nutrients to the vines.
We “brew” our compost tea mainly from “vermicompost,” a fancy name for worm castings. We cultivate worm beds on site specifically for creating compost tea. The brewing cycle is 24 hours. The brew can include brewer’s yeast, kelp and molasses to help grow the mix of beneficial bacteria and fungi. Once brewed, the tea is ready for delivery to the vines.
For the vines, it’s like eating green vegetables (compost tea) compared to simply taking a multivitamin (traditional fertilizers). The uptake of nutrients is more complete, natural and thorough. It also avoids the nitrate soil buildup that can occur with traditional fertilizers.
The result is a more balanced vine that allows us to maximize fruit quality. Additionally, we maintain a healthier soil profile that is better for the vineyard environment and the creatures (and people) who inhabit it.
When you think of eco-friendly practices, big machinery isn’t the first thing that comes to mind.
But at our estate Margarita Vineyard, a couple of iron giants—specifically modern multi-function, multi-row tractors—have become an integral part of our sustainable winegrowing program.
Our two multi-row tractors, including the French-made Pellenc pictured here, have taken the place of six traditional tractors.
Because they serve multiple rows at a time and offer simultaneous function for mowing, trimming, pre-pruning and other uses, they have reduced our tractor passes (ie: travel up and down the vine rows) by more than 80 percent. This, in turn, has minimized soil compaction while cutting diesel fuel consumption.
Tractors are a necessary part of farming, but tractor passes cause soil compaction over time. Compaction results in stormwater runoff, which wastes precious water while exacerbating soil erosion. When the compaction becomes too great, the soil must be ripped—which requires more tractor passes and fuel consumption.
So ironically enough, these big machines have significantly lightened our environmental footprint at Margarita Vineyard. They were a huge investment for us, but also a wise one in the long run.
Our sustainability efforts at Margarita Vineyard include maintaining wildlife corridors that allow for interconnected habitats.
Wildlife is consequently abundant on the surrounding Santa Margarita Ranch. Eagles, turkeys, pigs, deer, falcons, turtles and bears are among the many animals that call the ranch home.
Check out this frisky baby black bear spotted near our Malbec block. Once full grown, this bear will be able to consume more than 50 pounds of grapes in one day. Needless to say, we would prefer if he stayed in the oaks and away from the vines!