Updated Fertigation Book

In California agriculture, there has been a gradual shift from gravity-fed irrigation to pressurized systems including micro-irrigation. Micro-irrigation systems have been implemented in over 60% of irrigated acreage in California and support a more intensively managed production system. The use of pressurized irrigation systems has made significant advancements possible, including more precise delivery of chemicals […]

Read More

Fertigation Short Course

What: A one-day short course on fertigation is being offered by the Cal Poly Irrigation Training and Research Center (ITRC) with funding from the Fertilizer Research and Education Program (FREP). The course covers new techniques in the control and application of fertilizers through irrigation systems, and strategies to comply with new nitrogen regulations in California.

Read More

Research Update: New Fertigation Book

Research Project: New Fertigation Book Status: Last year of a two year study Issue: There are many fertilizer publications and research papers. However, few of these resources focus on pragmatic chemical applications via irrigation water – especially in light of special California drought conditions. An older publication of FERTIGATION has been an extremely important reference […]

Read More

Fertigation Short Course

What: A one-day short course on fertigation is being offered by the Cal Poly Irrigation Training and Research Center (ITRC) with funding from the Fertilizer Research and Education Program (FREP) of the California Department of Food and Agriculture. The course covers new techniques in the control and application of fertilizers through irrigation systems and strategies […]

Read More

Research Update: Fertilizer Value of Nitrogen in Irrigation Water

Research Project: Determining the Fertilizer Value of Ambient Nitrogen in Irrigation Water – Cahn, M. et al. Status: Final year of study Issue: Irrigation water from many wells on the Central Coast contains a significant amount of nitrate-nitrogen (NO3-N). The N content in irrigation water has not been accounted for in growers’ nitrogen fertilization plans […]

Read More