Annual Report of the Pennsylvania Department of Agriculture, Tema 17

acid acres agriculture amount animals apples applied attention average believe better called carried cause cent color containing corn cost cows crop cultivation dairy Demonstration Department disease early eggs experiments fact Fall farm farmers feed fertilizer four fruit give given grade ground growers growing hand hundred important increase inspection institute interest keep kind land leaves less Location materials matter means meetings methods milk natural necessary nitrogen Number of orchards peach Pears Pennsylvania plant possible poultry pounds practice present production profit question received samples schools season seed sell silage soil spraying Spring supervision supply thing tion trees varieties yield York young