Maize straw returning to the field also decreased soil bulk density.
秸秆还田还降低了土壤容重。
Soil organic matter would show a downward trend in the absence of straw returning.
在没有秸秆还田的情况下，土壤有机质有下降的趋势。
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
The population of weeds of straw returning was less than the treatment of no-straw returning by 228plant/m2.
秸秆全量还田处理杂草数量显著少于无秸秆还田各处理。
The management of the straw returning to the fields was closely related to the dynamics of mineral nitrogen in the soil.
土壤中矿质态氮动态变化是秸秆还田管理决策的重要依据。
This scheme will provide the important reference for design and manufacturing of the fast decomposition straw returning machine.
该方案的确定将为快速腐熟秸秆还田联合作业机的设计、制造提供重要的参考依据。
By analyzing the faults of the traditional types of reamers used for straw returning machine, a new scourge-type reamer was developed.
针对现有秸秆还田机刀具性能的不足，研制了鞭式刀具。
The results showed that the effect of straw returning on available K and non-exchangeable K were more notable than mineral K and total K.
试验表明，秸秆还田对土壤速效钾、非交换钾的影响最大，对矿物钾和全钾的影响很小。
Suggesting the combined application of organical and chemical fertilizer and straw returning is the most effective measure to in crease soil organic matter.
有机、无机物料配施和秸秆还田是快速提高南方红壤地区不同母质土壤有机质含量的重要措施。
The results showed that maize straw returning field combined low amount N did not promote the accumulation of organic carbon significantly, as compared with NPK treatment.
结果表明：与NPK处理比较，玉米秸秆还田配施低量N肥没有显著促进黑土有机碳的积累。
The effect of tillage regime on soil arthropod community was mainly indirect and presented that tillage regime was significantly interacted with soil layer and straw returning.
耕作方式对土壤节肢动物群落的影响主要表现为间接作用，它与土壤层次和秸秆还田之间均有显著的交互作用。
It is illustrated that the land productivity, amount of straw returning and soil hydrological condition were main factors determining the differences in the SOC contents at various land-use types.
土地生产力、秸秆还田量和土壤水文状态是导致不同利用方式下耕层土壤有机碳含量差异的主要原因。
In two period , the more reclaim straw , the less returning the farmland.
在秸秆利用上，两个时期主要都是以秸秆回收为主，还田较少。
At present straw is mainly used for the countryside energy supply, animal husbandry forage and returning into field.
目前我国农作物秸秆主要用作农村能源、养殖业饲料和还田。
A straw crushing returning stubble cleaner is mainly used in crushing returning of crop straw and crop stubble crushing.
一种秸秆粉碎还田灭茬机，主要用于农田作物的秸秆粉碎还田，并能对作物的留茬粉碎。
It's a perfect equipment for forage grass processing in stock raising and returning straw to field.
是畜牧业饲草加工、秸杆还田的理想设备。
It's a perfect equipment for forage grass processing in stock raising and returning straw to field.
是畜牧业饲草加工、秸杆还田的理想设备。
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