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- irrigation and nitrogen supply levels 水氮供应
- Nitrogen supply level 施氮量
- Effects of Nitrogen Supply Levels on Greenhouse Tomato Growth and Nitrogen Utilization in Beijing Region 京郊保护地秋季番茄的氮素供应及利用
- Nitrogen supply largely controls the growth and fruiting of most plants. 氮的供应密切地关系到绝大多数植物的生长与结果。
- nitrogen supply levels 种植模式
- Effects of Light Condition and Nitrogen Supply on Carbon -Nitrogen Metabolism of Poa pratensis L. 光氮互作对草地早熟禾碳氮代谢的影响。
- The article reviewed Liaoning commissariat to produce state and development course, elaborated stability to increase the value of food supply level. 本文回顾了辽宁粮食生产状况及发展历程,阐述了稳定提高粮食供给水平的重要性。
- Shen L X, Wei Y P, Wang P, Yi Z X, Zhang H F, Lan L W.Effect of nitrogen supply of early kernel development and yield in summer maize (Zea mays L.). 申丽霞;魏亚萍;王璞;易镇邪;张红芳;兰林旺.;施氮对夏玉米顶部籽粒早期发育及产量的影响
- A study was conducted to examine the influence of night-time warming on leaf photosynthetic capacity of Cinnamomum burmanni under different levels of nitrogen supply. 研究了不同氮供应的条件下夜间变暖对荫香叶片光合能力的影响。
- The results also indicated that the color of the fourth LFT was mainly affected by NSDB among the top 4 leaves and was lighter than the third LFT when nitrogen supply was insufficient for the need. 研究证实顶 4叶叶色受氮素供需差的影响最大 ,当土壤供氮不能满足库需氮时 ,顶 4叶叶色浅于顶 3叶
- The effects of basic nitrogen supply capacity(BNC)of different texture soils(sandy soil,loam soil and clay soil)on potential rice yield(PRY)in Jiangsu Province were studied at 196 experiment plots in 11 counties with 19 different rice varieties. 以近年来江苏省广泛种植的19个不同基因型水稻品种为材料,在11个县市区196个田块进行试验,研究江苏省不同类型土壤基础供氮能力对水稻产量的影响。
- The total soil nitrogen supply in the habitats, its distribution and the interactions between the two factors all significantly influenced dry matter productions of Z. japonica clones. 结果表明,生境中土壤氮素资源的总体水平、分布格局以及二者间的相互作用均显著影响结缕草克隆的干物质生产量。
- SHARK/FRESHWATER FISH: There are indications of downward price pressure on fresh Nile perch fillets, despite weaker supply levels. 鲨鱼/淡水鱼:尽管尼罗河鲈鱼鱼片的供给水平不高,但仍有?象表明的价格会下降。
- Both hybrid rice and conventional rice absorbed more NH4+ under lower N and K supply levels and preferred to NO3- under higher N and K supply levels. 在低氮、钾养分时,水稻在生育后期对铵态氮吸收较多,而在高氮、钾条件下,则对硝态氮有较大的吸收。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Abstract : The experiment used a perlite and drip-irrigation system to compared the effects of arbuscular mycorrhizal fungi on maize under different N and P supply levels. 摘要 : 以珍珠岩为培养基质的半液培实验比较研究了不同氮磷水平营养液对接种丛枝菌根真菌玉米的影响。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The firm's tender for the supply of timber has been accepted. 那家商号的供应木材投标已被接受。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。