今春[konshun] this spring
昨春[sakushun] last spring
三春[sanshun] three spring months
思春期[shishunki] puberty
春たけなわ[harutakenawa] spring is in full swing

春めく[harumeku] to become spring-like
春一番[haruichiban] first storm of spring
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
春画[shunga] shunga

耕す[tagayasu] to till
耕具[kougu] farm tools
耕作[kousaku] cultivation
耕作者[kousakusha] cultivator
耕地[kouchi] arable land

晴耕雨読[seikouudoku] working in the field in fine weather and reading at home in rainy weather
中耕機[chuukouki] cultivator
農耕[noukou] farming
不耕作地[fukousakuchi] nonfarming land
未耕地[mikouchi] uncultivated land