通过对内蒙古自治区大豆主栽品种的密度、施磷量、施钾量、种肥氮量、追肥氮量5项农艺栽培技术措施的综合试验研究，系统地分析了5项农艺措施对产量影响的单因素和交互效应，阐明了5项农艺栽培措施的产量效益。实现大豆单产200kg/667m2以上产量的优化农艺栽培措施是：株数2.53-2.75×104株/667m2；施磷量（P2O5）4.56-5.44kg/667m2；施钾量（K2O）5.77-6.74kg/667m2；种肥氮量2.73-3.18kg/667m2；追氮肥2.49-2.91kg/667m2。

本试验于2001～2002两年对三个不同类型五个玉米品种饲用栽培的营养品质进行了系统研究。结果表明：不同类型玉米品种各器官营养成分含量不同，营养成分在各器官中的分配也不相同，植株干物质各营养成分含量也因品种而异。就营养成分含量而言，粗蛋白含量科多8号最高，而科青1号最低，中单9409、东陵白及掖单13居中；粗脂肪含量粮饲兼用型玉米品种较高，普通型玉米品种其次，二者均高于青贮专用型；粗纤维含量青贮专用型玉米品种较高，粮饲兼用型玉米品种居中，普通型玉米品种最低；无氮浸出物的含量普通型玉米品种＞粮饲兼用型玉米品种＞青贮专用型玉米品种；粗灰分含量青贮专用型玉米品种大于普通型玉米品种与粮饲兼用型玉米品种。由于干物质中营养成分含量的不同及干物质积累量的不同，营养成分积累量不同类型品种间也存在一定的差异性。

Decision support system is a new computer application field. It is developed up in the middle of 80s. C.T. Kitzmiller et al. firstly put forward the couple system in industry circle and integrated symbolic with numerical computing in expert System. In recent year, the couple system that made up of two technique is gradually accepted by researcher who working at agricultural expert system and called agricultural decision support system or expert system based on model. At present the most successful one is GOSSYM/COMAX system based on cotton simulation model. It has improved the performance and practicality of GOSSYM greatly. The MOCMDSS that developed by professor Liu Keli etc. (Inner Mongolia Agriculture University) is the expert system based on model on the basis of combinative experiment sited different place in many years. The system can provide comprehensive, precise, Fast guidance for maize high-yield and high-efficient cultivation management in main growing region, Furthermore, the economic benefit is prominent, It has the strong character of science, application, practical and universal. It is easy to transplant and expand. Therefore, it has brilliant application prospect for improving the level of maize management and production in our country.