Irrigation experimental study of 6 years had been carried out for 30 varieties of interplantation crop combination patterns in 15 sites and stations in Shanxi province by using field plot test.

在山西省15个试验站点，采用田间小区试验方法，对30种间作套种组合种植模式进行了历时6年的灌溉试验研究。

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The combination of high crop prices and ultra-low interest rates has farmers bidding historically high prices.

高昂的粮食价格和过低的利率混合在一起，使得农场主得到了历史上最高的拍卖价格。

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Kilimo Salama, which in Kiswahili means "safe farming", USES a combination of mobile phones and 30 automated solar-powered weather stations to provide crop insurance.

Kilimo Salama在斯瓦希里语中是指“安全农业”，它综合利用移动电话和30个自动太阳能气象站为庄稼提供保险。

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Still, the group this week joined other animal producers in calling for a reduction in corn ethanol production mandates, saying pricing and availability of corn for feed is threatened by the combination of a small corn crop this year and the government mandate, which will use about four of every 10 bushels of corn.

FORBES: Ranchers Beefing Up Sales, But Drought Threatens

Worse still would be a combination of a return to higher levels of interest rates combined with a decline in crop prices.

ECONOMIST: Why Kansas and Somerset farmers should toast the Chinese