date:Feb 19, 2013
rtant part of the total grain production. If there are not enough of them, grain production will be substantially limited by that.
Tiller formation has ended by the middle of March. Nitrogen applied between mid-February and March 1 will stimulate the formation of new tillers.
While nitrogen supports rapid shoot growth and grain fill as well as new tillers in the spring, applying phosphorus in the spring has little effect on yield, Scharf said. Although wheat is the most phosphorus-demanding gr