一、小麦——玉米——芹菜。藁城市贾市庄农民薛美刚按此种形式种植1.5亩,亩产小麦302公斤,收入241.60元,产玉米375公斤,收入262.50元,产芹菜2850公斤,收入1425元。一年三茬亩产粮食677公斤,收入1928元。 其主要栽培技术是:小麦、玉米选用中早熟品种。小麦用冀麦26号,玉米用掖单4号(或掖单17号)。小麦10月1—5日播种,采用10厘米与23.3厘米(三七寸靠垄)大小垄种植。玉米在麦收前8天左右于麦垄套种,大行距100厘米,小行距33厘米,亩留苗4300—4500株。芹菜于7月上旬在玉米大行间套种。畦中间略高一点,两边开小沟,以利 First, wheat - corn - celery.藁 City Jia Zhuang farmers Xue Meigang planted 1.5 acres of this form, yielding 302 kilograms of wheat per mu, income 241.60 yuan, yield 375 kilograms of corn, income 262.50 yuan, 2850 kilograms of celery production, income 1425 yuan. Three crops a year, producing 677 kilograms of grain, income 1928 yuan. The main cultivation techniques are: wheat, corn used in the precocious varieties. Wheat with Jimmy 26, Yeda No. 4 corn (or Yedan No. 17). Wheat is sown on October 1-5 and is planted with 10 cm and 23.3 cm (37-inch by-ridge) furrows. About 8 days before the wheat harvest of wheat in the wheat ridge interplanting, large line spacing 100 cm, 33 cm small row spacing, Mulamiao 4300-4500 strains. Celery intercropping in corn in early July.畦 middle slightly higher, open a small ditch on both sides, Eli