查询词典 cropping
- 与 cropping 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Byerlee and Husain, 1952, report profitability of cropping patterns in Mardan District both for traditional and new cropping systems.
Byerlee和Husain 1952年报导过木尔坦地区传统和新式两种种植制度的营利情况(表6)。
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Multiple cropping is one of major cropping systems in China and plays an important role in improving comprehensive productivity of cultivated land and ensuring national food security.
复种是我国重要的农作制度之一,对于提高我国耕地综合生产能力和确保国家粮食安全具有重要作用。
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Multiple cropping is an important mean for increasing regional grain output and also a crucial cropping pattern in China's farming system.
复种是区域粮食增产的重要途径之一,也是中国粮食生产中一种重要的耕作模式。
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In provinces owning cultivated land of higher productivity and higher potential of multiple cropping, the cultivated land is reducing and the rate of multiple cropping is falling.
在耕地粮食生产能力和复种指数潜力较高的一些省区,同时存在耕地的损耗和复种指数的下降,在农产品需求多样化的趋势下,粮食占播种面积的比率也在下降,即使粮食播种面积单产提高也不能从总体上替代实际损耗的耕地。
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The yield differences among the three cropping patterns showed that intensive multiple cropping and reasonable adjustment techniques were effective ways to further increase field annual yield in this region.
三种模式产量梯度差异表明,在水肥供应基本充足的情况下,通过集约多熟种植并配合以合理调控技术是在高产基础上进一步提高产量的有效途径。
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There will be an obvious important effect of global climatic change in future on cropping systems in China. The heat resource will be increased to a certain extent in all regions of China, and the north borderline of two crops per annual or three crops per annual will move northwardly, the cropping range, output and quality of crps Will be changed.
未来全球性气候变暖对我国的种植制度将产生明显的影响,预计我国各地的热量资源将有不同程度的增加,使一年二熟、一年三熟的种植北界有所北移,主要农作物的种植范围、产量、质量都会有所变化。
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Field trials on the effect of three levels (1.0, 1.5 and 2.0 kg/plant/year in plant cropping, and 0.76, 1.06 and 1.36 kg/plant/year in ratoon cropping) of compound fertilizer Tai-Fei No.4 on the vegetative growth, yield and post-harvest quality attributes of TC1-229, a semi-dwarf, fusarial wilt-resistant banana clone, were conducted on a soil of silt loam with a pH of 8.0 and 2% of organic matter for two consecutive years.
在有机质含量约百分之二的坋质壤土定植中矮性抗黄叶病品系TC1-229组织培养苗蕉株,每年每株施用台肥四号复合肥料1.0,1.5或2.0公斤,抽穗期叶片之矿物营养组成均在正常范围内,惟磷和镁含量随肥料施用量减少,处理间差异达显著水准(P=0.05)。
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Features: This product is a newly developed formula effects of chitin, including a variety of marine biological active ingredient, a variety of crops to ensure faster and better nutrient absorption, and contains a unique element of the anti-cropping, can quickly develop a useful soil flora and prevent soil compaction caused by continuous cropping, undesirable phenomena such as plant growth, significantly reduced root rot and stem rot, blight wilt, blight, root-knot nematodes and other diseases.
功能特点:本品是最新研制的甲壳素特效配方,内含多种海洋生物活性成分,保证作物各种营养元素的更快更好吸收,并含有独特的抗重茬成份,可迅速培养起土壤有益菌群,防止重茬引起的土壤板结、植株生长不良等现象,显著减轻根腐、茎基腐、枯萎、疫病、根结线虫等病害。
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Laboratory and greenhouse experiments were conducted to determine if the autotoxic effect is responsible for continuous cropping obstacle of chrysanthemum " Gaoyataizi" and the autotoxic effects of different parts from continuous cropping chrysanthemum on seed germination and seedling growth, cuttings rhizogenesis and the growth of potted-chrysanthemum "Gaoyataizi".
为此本论文旨在以连作障碍典型品种之一的'高压太子'为材料,采用室内生测及温室盆栽对菊花的自毒作用进行如下研究探讨:自毒作用是否是导致菊花连作障碍的因素之一;菊花不同部位水浸液处理对自身种子萌发、幼苗生长、扦插生根及盆栽菊花生长及其重要生理生化过程的自毒效应。
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The results show that Dioscorea opposita+Capsicum frutescens and Perilla frutescens var. Crispa+Forsythia suspensa cropping systems have higher scores under different weight index evaluations, while traditional cropping systems, Zea mays/Ipomoea batatas has the lowest scores.
评价结果表明,在评价指标不同权重比例下,紫苏+连翘间作模式、山药+辣椒间作模式生态经济综合效益均较高,玉米/红苕的传统种植模式综合效益最低。
- 推荐网络例句
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As of Tuesday, Google's results were still censored in China.
截至周二,谷歌的搜索结果仍受中国审查。
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In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.
在这一过程中,人的主体性发挥是社会有机体健康发展的灵魂。
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Objective To investigate the relationship between the telomer ase activity and apoptosis in gastric cancer.
目的为了探讨胃癌组织中端粒酶与细胞凋亡的关系。