A Drip Retrofit or 900 kg of Gel: Cost per Acre Across Five Seasons
The board pack had two options on facing pages. Option A was a drip retrofit for 84 acres of young walnut: pump, filtration, mainline, tape, installation, 61,000 dollars. Option B was 900 kg of potassium polyacrylate incorporated at planting and a top-up in year three, 4,300 dollars. Both were prese…
