Author Archives: Franz Niederholzer

Weather after 30 days after bloom helps plan thinning and harvest.

Bloom date and cropload per tree still have the largest influence on harvest date and fruit size potential, but knowing GDH30 accumulation can be used to fine tune harvest and thinning planning. However, given cooler weather in the 30 days following 50% full bloom, knowing growing degree hours can better inform thinning planning. Continue reading

Is it time for a closer look at alternative nutrient sources?

With continued tight nut markets and high input costs, it’s worth considering all nutrient input options in an effort to lower costs and maintain production. Sustainable nutrient management includes assessment of irrigation nitrate, adding compost manure amendments or almond shells, and using nitrogen-fixing cover crops. Continue reading