According to the demand of developing a permanent raised beds(PRB) wheat planter,a combined press device is developed to press ridge sides and planting zones at the same time.
针对垄作保护性耕作技术体系中的小麦垄作免耕播种机,设计与其配套的组合镇压器,能够同时镇压垄沿及播种带。
From study of germinated characteristics,per-germination and pressing in four kinds of turfgrass Seeds,the results showed that activity of seedling was ALomium multiforum,Festuca rubra,Festuca arundinacea,poa pratensis L.
对四种草坪草种子进行了萌发特性测定及预萌发和镇压对建坪影响。
Defoliation and soil compaction also reduced the Mycorrhizal colonization of Orchardgrass.
施磷肥、强度刈割和土壤镇压都能显著降低鸭茅(Dactylis glomerata L。