小麦茬地免耕大豆精密播种机性能试验研究

从大豆种子的株距、播深和施肥位置三个方面测试小麦茬地免耕大豆精密播种机的工作性能,并做了田间试验,结果表明:该机株距合格指数可达68.4%,重播指数为13.4%,漏播指数为18.1,变异系数为26.3,播深合格率为87.7%,达到了<中耕作物精密播种机产品质量分等>标准中关于一等品的要求.同时,施肥位置也满足农艺要求.

Performance test of no-tillage soybean precision seeder in wheat stubble field

It is a test performance of no-tillage soybean precision seeder for wheat stubble field according to soybean inter-plant spacing,seeding depth and fertilizing location.The field test results of the machine showed that the acceptability rate was 68.4% ;the multiples rate was 13.4% ;the miss r ate was 13.4% ;the spacing variance coefficient was 26.3% and the seeding depth acceptability was 87.7%,which met the requirement on one class product according to the standard of Quality Classification of Precision See...