在莱阳等地对无水浇条件旱地冬小麦高额丰产栽培技术进行了田间试验研究。
Field experiment for cultural practices of higher yield winter wheat was carried out on dry land without irrigation.
论述了2 ZP - 3型水稻抛秧机的基本组成和工作原理、研制过程中解决的几个关键技术问题以及田间试验结果。
The basic components, working principle and several key techniques in the development process of 2zp 3 type rice seedling throwing machine were outlined in this paper.
采用田间试验方法，研究了在烟草苗床上的甲基溴替代技术。
A test was done to evaluate the possibility of substitution of methyl bromide in tobacco field.
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