The nitrogen release character of ZP coated fertilizer and its effect on summer maize were studied by field plot test.

通过田间试验研究了包膜肥料ZP氮素释放特点和在夏玉米上施用效果。

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Through years of survey and investigation of plot test and high-yielding cultivation, the grain number and spike of wheat were studied.

通过多年的小区高产栽培试验和高产攻关，对小麦的穗数、穗粒数进行了研究。

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Combined potted plant, patch test, fixed plot test and great area demonstration. Study on the method combined different ecological basic point with local experiment.

采用盆栽、小区试验、定位试验与大面积示范相结合，本地试验与不同生态区基点相结合的方法进行研究。

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The failed terror bomb plot constitutes Mr.Obama's most serious national security test to date, and the president has been quick to acknowledge that there is plenty of room for improvement.

VOA: standard.2010.01.06

Butt was jailed for his role as the "orchestrator" of the plot to bowl deliberate no-balls in the Test at the Lord's cricket ground in London last summer.

BBC: Salman Butt and Mohammad Amir lose sentence appeal