摘要
本试验运用三因素二次回归正交旋转组设计的试验方法,进行钼肥对玉米、大豆间作体系中玉米产量影响的研究。结果表明:施钼量和玉米密度,施钼量和带型配置都有一定的互作效应;当玉米密度、带型配置适当时施入钼肥均能增加玉米产量,即在玉米大豆体系中加入钼肥能有效地提高间作玉米的产量。在试验条件下,当玉米密度为 43 747. 2株 /hm2,玉米与大豆带型配置为 2∶2,大豆钼酸铵用量为 3 750g/hm2 时,间作玉米产量可达到 7 452. 406kg/hm2。
Molybdenum is an essential microelemegnt,the great poteintial is in the intercropping system of soybean and maize. For studying the effects of Mo on yield increase of maize in the intercropping system,the three factors square quadranic rotational regression combination design was used in this experiment .The results showed that there was obvious Interactions effects between Mo and density of maize,and between Mo and SCI(Stripe compound Index).It also indicated that Mo could increase the yield of maize when the density of maize and SCI were suitable .The highest yield in the experiment reached 7 452.406 kg/hm2,the most suitable density was:43 747.2 plants/hm2,the proper SCI was 2∶2,the best amounts of Mo was:3 750g/hm2.
出处
《种子》
CSCD
北大核心
2005年第3期18-21,84,共5页
Seed
基金
贵州省基金资助项目〔黔基合字(2002)3038〕
