What's the purpose of an agricultural experiment station?

Also in this issue:

Pesticide residues in fruit harvesting

Reclamation of a Coachella Valley grape ranch by changes in levelling, irrigation, and water source

Construction and placement of observation wells is critical in evaluation of tile drain lines

Internal rib necrosis head lettuce in Imperial Valley

Feedlot performance… steers vs. heifers

Antioxidants reduce grape yield reductions from photochemical smog

Rice straw utilization by livestock

Streptomycin control of pear fireblight in California in —1968 and 1969 field tests

Determining water needs for crops from climatic data