The occurrence regularity of scab disease on hot pepper and its control techniques were investigated and studied in Dafang county.
对大方县辣椒疮痂病田间发生规律进行了调查及综合防治技术研究。
This paper reviewed the classification status, occurrence regularity, damage symptom of vegetable rot-knot disease and analyzed the control measures.
对蔬菜根结线虫的分类学地位、发生规律、为害症状进行了总结归纳，对多种防治措施进行了分析。
The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
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