推广粮草轮作制度，加强农牧结合。
Extend the cereal-forage rotation system reinforce the combination of agriculture and animal husbandry.
轮作制度和前作水分状况极大地影响稻田N2O的排放。
The results implied that cropping system and water status of previous cropping impacted N2O emission from paddy soil.
近年来，随着轮作制度的改变和气候的变迁，我国部分小麦产区赤霉病呈蔓延加重趋势。
Recently, with change of crop rotation and climate, wheat Scab was extended and aggravated among the areas in China.
但是该体系鼓励农民改变长期以来的轮作制度和混合使用除草剂，在以前这些方法很好的控制了杂草。
But the system has also encouraged farmers to alter time-honored crop rotation practices and the mix of herbicides that previously had kept weeds in check.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
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