摘要
运用三因素二次回归正交旋转组合设计的试验方法,进行钼肥对玉米、大豆间作体系总产量影响的研究。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产量,即在玉米、大豆间作体系中加入钼肥能有效地提高间作总产量。在试验条件下,当玉米密度为43642株·hm-2、玉米与大豆带型配置为2∶2、大豆钼酸铵施用量为3750g·hm-2时,间作总产量可达到8347 5kg·hm-2。
Molybdenum is an essential microelement,the great potential is in the intercropping system of soybean and maize.For studying the effects of Mo on yield increase of soybean and maize in the intercropping system,the three factors square quadranic rotationl regression combination design was used in this experiment.The results showed that there was obvious interaction effects between Mo and density of maize,and between Mo and SCI(Stripe Compound Index).It also indicated that Mo could increase the yield in totality when the density of maize and SCI was suitable.The highest yield in the experiment reached 8 347.5kg·hm^(-2),the most suitable density was 43 642plants·hm^(-2),the proper SCI 2∶2,the best amounts of Mo 3 750g·hm^(-2).
出处
《山地农业生物学报》
2004年第4期293-299,共7页
Journal of Mountain Agriculture and Biology
关键词
钼肥
玉米
大豆
间作
增产效应
Molybedenum
maize
soybean
intercropping
quantity of employ
effect of yield
analyses of effect
