Title: Study on Yield Increased by Using the Complete Multiple Cropping Model of Wheat-Green Manure-Maize-Soybean
Abstract:The experiment of intercrop maize and soybean was conducted in the field of intercrop wheat and green manure by using the ternary quadratic regression rotational combination design to study the effect...The experiment of intercrop maize and soybean was conducted in the field of intercrop wheat and green manure by using the ternary quadratic regression rotational combination design to study the effects of different maize planting density and sowing time of maize and soybean on their yield in middle altitude areas of Guizhou province.The results showed that the maize planting density and the interval of maize and soybean sowing time were two main factors affecting total yield,of which,the effect of maize planting density on total yield was higher than the interval of maize and soybean sowing time,and the effect of the interval of maize and soybean sowing time varied with different planting density of maize.The highest maize yield and total yield of maize and soybean were obtained when maize planting density was 51000 plants/hm2,the interval of maize and soybean sowing time was 20 d and the SCI was 2∶2,because of higher dry accumulation rate,leaf area and net assimilatory efficiency of maize.Read More
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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