The simulating test is initially done in the field by the approach of bamboo simulating maize straw.
在田间试验地中用竹竿模拟玉米秸秆的方法进行了初步模拟试验。
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。
Tillage location test and its cooperative test in the wheat-maize double cropping field showed that the best time limit for applying disc plough was one or two years.
在小麦、玉米一年两熟制农田上，进行耕法定位及配合试验，试验表明，耙茬少耕的有效年限为1 ~ 2年。
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