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08:12 SUNUP: Everything You Wanted to Know About NPK,… SUNUP: Everything You Wanted to Know About NPK, but were Afraid to Ask	SUNUP: Everything You Wanted to Know About NPK, but were Afraid to Ask Brian Arnall explains the basics of soil nutrition and has tips for identifying when a crop needs fertilization help. phosphorous osu research potassium science extension soil plants caption complete npk brain arnall teaching nitrogen oklahoma state university sunup nutrients From Agricultural Communications Services, Divsion of Agricultural Sc 0
08:09 SUNUP: Drones: Are they for Agriculture? SUNUP: Drones: Are they for Agriculture?	SUNUP: Drones: Are they for Agriculture? SUNUP takes to the sky to learn about UAV’s for agriculture and other uses from Brian Arnall. oklahoma state university science brain arnall teaching data agriculture caption complete extension crops soil drones research technology plants uavs osu From Agricultural Communications Services, Division of Agricultural S 0