玉米种植(外国英语资料).docVIP

玉米种植 [title] Jundan 20 (Jun 97-1) [applicable area] other [Keywords] maize varieties, middle and early maturity, Huang Huai Hai region [author] [source] recommended [reference] [editors note] Lin Lin. [varietal characteristics] resistance [unit] Xunxian County Institute of Henan Province breeding [unit] national crop varieties examination and Approval Committee [authorized time] 2003 [breed origin] [content] Source: variety Jundan 20 to 9058 female and male Jun 92-8 bred maize hybrids. Features: the summer growth period is about 95 days, is the early maturing varieties; seedling growth, compact plant type, handsome, about 250 cm in plant height, ear height 100 centimeters, panicle length of about 20 cm, 16 rows per ear, ear diameter 5.2 cm; ear drum; strong is good, fast filling, live mature roots, stalk, lodging resistance, yellow grain, white shaft, fine grain weight 330 grams, seed rate 90.5%; excellent in quality, weight 758 grams, crude protein 10.2%, crude fat 4.69%, crude starch 70.33%, lysine 0.33%, dwarf mosaic virus, rough dwarf smut disease the size, leaf blight and bacterial wilt. Cultivation: summer sowing date at the beginning of June to June 20th, the suitable planting density of 3500~4500 plants / mu, the general fertility strain 3500~3800 / mu, high fertilizer and water 3800~4500 plants / mu, planting methods can be used such as row spacing or wide narrow row planting, planting spacing and row spacing of 60 cm 25~32 cm, 25~32 cm; row spacing. Wide row spacing of 40 cm, fertilization is generally divided into two times, the first time in 30 days after seedling fertilizer (total fertilizer 40%), second big horn mouth period (the total amount of fertilizer applied in 60%). The condition can be followed by pollination. Control of corn borer with carbofuran granule in big bell stage and control aphids by spraying in middle and late stage. Suitable areas: suitable for corn and Wheat Interplanting Wheat after the vast area of Huanghuaihai after live. Title