regularity of outbreak and control techniques of pinus massoniana cercospora needle blight
马尾松赤枯病发生规律及其防治技术
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地质灾害频发致使人类生命和财产都遭受了严重的损失，地质灾害研究能够帮助人类了解地质灾害发生、发展规律，由此制定出适合的地质灾害防治措施，减轻或消除人类的受灾程度。
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biological characters of theridion octomacutatum and its regularity of outbreak in farmland
八斑球腹蛛的生物学特性及其在农田内发生规律
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research about regularity of outbreak on millet and it had the effect on yield
水田稗草发生规律及对水稻产量的影响研究
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research on regularity of outbreak of two main species in rat in shaanxi province
陕西鼠类两优势种发生规律研究
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辽宁省水稻害虫灾变规律和综合防治研究进展
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outbreak regularity and pesticide control of lygus lucoum and halyomorpha picus in cherry tree
绿盲蝽、查翅蝽在大樱桃上的发生规律和药剂防治
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preliminary study on outbreak regularity of wheat sharp eyespot under precision sowing condition
精量播种条件下小麦纹枯病发生规律初步研究
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