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- early rice pests 早稻虫害
- The field of early rice wants weeding. 这块早稻田需要除草。
- Dialeurodes citri massively occurred in recent years, made capnodiun citri lark a desm one of the important rice pests in Jishou, Hunan province. 摘要近年来柑桔粉虱在湖南吉首市大量发生,大面积引发烟煤病,严重影响了柑桔的品质和产量。
- The early rice output in that commune was200% more than that of2000. 那个公社的早稻产量是2000年的两倍。
- 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。
- While the area planted to early rice,cotton and tobacco has decreased,that for autumn grain increased considerably. 早稻、棉花和烤烟面积有所减少,但秋粮面积增加较多。
- Rice planthoppers is a kind of major rice pests at Hezhou City.In last decade, its large-occurring frequencies of main harm generation and hypo-harm generation have an aggravating tendency. 摘要稻飞虱是贺州市水稻重要害虫之一,近十年来主害代大发生频率及次害代发生频率均有加重的趋势。
- The methane emission peak of early rice appeared in young panicle differentiation stage of rice. 早稻甲烷排放峰值出现在水稻幼穗分化期,晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
- While the area planted to early rice, cotton and tobacco has decreased, that for autumn grain increased considerably. 早稻、棉花和烤烟面积有所减少,但秋粮面积增加较多。
- 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。
- But in full panicle stage, K uptake of late rice was less than that of early rice, this situation was obviously related to weather. 但在齐穗期晚稻吸钾低于早稻,这一情况明显与气候有关。
- The effects of four phytohormone compounds mixed with GA3, 6-BA and BR on senescence of early rice leaves were investigated. 摘要以赤霉素、6-BA、芸苔素3种激素组合的4种复配剂,对早稻叶面喷施,研究了它们对延缓叶片衰老的影响。
- The produce price such as wheat of the Anhui province, early rice, semilate rice, corn was compared 2003 on year rise 5.620% differ. 2003年安徽省小麦、早稻、中稻、玉米等农产品价格比上年上涨5.;620%25不等。
- The structure of agricultural products planted has improved. While areas planted to early rice,cotton and tobacco have decreased,and those planted to autumn crops have increased. 农产品种植结构得到改善,早稻、棉花、烤烟面积减少,大秋作物面积增加。
- Compared with treatment CK,the grain protein yield of treatment DPR of early rice and late rice increase by 12.77%~16.56% and 8.39%~13.18% respectively. DPR处理与对照相比;早、晚稻籽粒蛋白质产量分别提高了12.;77%25~16
- Rice pest insects and diseases in Jiamusi 佳木斯水稻病虫害
- They practiced the first and the earliest rice cultivation in the world. 中国是世界上第一个也是最早种植水稻的国家。
- In the experiments, soil drainage method was used at Shaoxing and deep water method at Fuyang for early rice, and soil drainage method was adopted at both sites for late rice. 早稻试验在绍兴采用土壤排水,而在富阳采用深厚水层方法,晚稻试验两地都用土壤排水方法。
- The study showed: (1) In early rice, straw incorporation increased soil NH4(superscript +)-N, no matter whichever irrigation regime or N level was adopted. 结果表明:(1)上年晚稻稻草还田提高了来年早稻期间土壤NH4(上标+)-N浓度;
- We started early in order to arrive before dark. 为了在天黑前到达,我们很早就动身了。