In some areas of the world, preemergent herbicides are used to prevent crabgrass from appearing in summer lawns.
Depending on where you live, one rule of thumb is to apply when the local forsythia blooms are wilting.
Seed vigor, soilborne pathogens, preemergent growth, and soybean seedling emergence. (Seed Physiology, Production & Technology).(Abstract)(Statistical Data Included)
Mar 01, 2002; SOYBEAN SEEDLING EMERGENCE is the result of two growth phases, namely, seed germination and preemergent seedling growth...