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- The rice crop this year is15 percent above the average. 今年的稻米产量高于往年平均产量的百分之十五。
- The typhoon did great harm to the rice crop. 那次台风对稻谷收成造成很大的损坏。
- They raised a bumper rice crop last year. 去年,他们的水稻大丰收。
- The rice crop this year is 15 percent above the average. 今年的稻米产量高于往年平均产量的百分之十五。
- Pest insect community on orange leaves is analyzed with fuzzy cluster method. 经模糊聚类分析表明，柑桔叶片害虫群落由3个集群和3个边缘种组成。
- We are in danger of losing the rice crop if it doesn't rain. 如果不下雨,我们有庄稼歉收的危险。
- What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
- They were reduced to the sorest straits by the failure of the rice crop. 他们由于水稻歉收而陷入极度困厄。
- This research applies to the numerical technique in the agriculture production and the agriculture educations, combining the agriculture production actual, built up “the farm crop pest database". 开发研究了把数字技术应用到农业生产以及农业教育中,并结合农业生产实际,建立了“农作物害虫数据库”。
- Applicability of insecticides to sustainable management of rice pest insects is evaluated according to toxicity,insecticide resistance,effects on beneficial animals,and so on. 从毒性、抗药性、对有益生物的影响等多方面综述了稻田杀虫剂在水稻害虫可持续治理中的适用性并进行了分类。
- An insect pest fatal to cotton had struck the crop. 棉花遭受了一种致命的虫害。
- The Jap destroyed the rice crop, scorched the green valley and burrowed in behind the great wall. 日本人放火烧毁庄稼，绿色的河谷和城池外的一切。
- Beneficial insects are allowed to flourish to keep pest insects in check. 益虫得以繁衍，以遏制害虫的数量。
- After the harvest of the first rice crop, the leaf-hoppers migrate and attack Leersia growing in ditches around rice fields. 2. 早稻收割后，白翅浮尘子卽大量栖集稻田沟旁之米草。
- Pest insect in loquat and its no pollution control 枇杷害虫与无公害综合防治技术
- Fertilization increased weights of 1000 grains and effective tillering number, and increased the yield of after rice crop. 施肥导致千粒重和有效分蘖的增加，从而使后作水稻增产，因此，冬种黑麦草期间施肥是后作水稻增产的不可缺少的条件。
- pest insect of silkworm and mulberry tree 蚕桑害虫
- For example the hard toil of harvesting, drying and storing the rice crop, is replaced by shopping and carrying a bag of groceries home from the market. 例如以往的辛苦播种施肥,烘干和存放庄稼的劳力方式,已被往返市场及家里的购物方式所取代。
- Development of the farm crop pest database 农作物害虫数据库的研制
- We summarized the chemical and physical characters of chlorpyrifos.The action character and control efficiency of chlorpyrifos on rice pest insects were special introduced in this paper. 概述了毒死蜱的理化性质、作用特点,并着重介绍了毒死蜱系列药剂在水稻上登记情况及对水稻害虫的防治效果。
