摘要
探讨了北部山区大豆重迎茬病虫害加重、营养失调、土壤理化性质变劣、土壤水分过度消耗以及伴生杂草增加等减产原因;通过合理轮作、更新更换种子、推广秸杆还田、平衡施肥增施有机肥、推广深松、秋整地等科学的土壤耕作措施以及药剂防治等可以缓解大豆重迎茬造成的危害。
This article inquired into the reason of reduction of output including plant diseases and insect pets is heavy, nutrition disorder, physical and chemical property of the soil become inferior, the soil humidity consumes excessively, and grass increase , etc. Many scientific treasures that can alleviate the harm can be taken, for example, take reasonable rotation, renew and replace the seed, return the straw into farmland, increase organic fatty, loose deeply, cultivate in autumn, use medicine to prevent and cure.
出处
《黑龙江农业科学》
2006年第4期42-43,共2页
Heilongjiang Agricultural Sciences
关键词
北部山区
大豆重迎茬
减产原因
对策
northern mountain
soybean continuous cropping
reasons of reduction of output
countermeasures
