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- grain yield and demand 粮食供需
- Raised bed planting (RBP) can get higher grain yield and water use efficiency than flat planting (FP). 垄作小麦冠层为波浪状,有利于提高小麦的籽粒产量和水分利用效率。
- Reasons for the differences in the formation of grain yield and quality among DCMS, DCMF and MC were also discussed. 文章最后对水稻不同种植方式间在产量和品质形成上的差异进行了讨论。
- The main characters affecting grain yield were biological yield and HI, whereas those affecting grain protein yield were biological yield, HI and NHI. 影响产量和蛋白质产量的主要性状分别为生物产量、HI和生物产量、HI和NHI。
- The results were as follows:(1) The plant dry weight, grain yield and economic coefficient were different among triticale, secale and triticum. 结果表明:(1)小黑麦、黑麦与普通小麦生物产量、经济产量及经济系数均存在明显差异。
- Panicle number, spikelet number per panicle, spikelet fertility,hundred grain weight, grain yield and panicle length were surveyed at mature stage. 百粒重对氮肥比较敏感,总的趋势是施氮量增加,粒重下降;
- Ningmai 9,a weak gluten wheat,was taken as an experimental material to study the effects of spraying Triadimefon on grain yield and quality. 以弱筋小麦宁麦9号为材料,研究喷洒粉锈宁方式对小麦籽粒产量和品质的影响。
- Grain yield was standy black soil> aquent> cinnamon> brown soil> fluvo-aquic soil, and the CV of grain yield and spikes were large, grain number and 1000-grain weight were standy. 产量表现为砂姜黑土>潮土>褐土>棕壤>河潮土,在不同土壤类型间产量和穗数变异较大,粒数和千粒重相对稳定。
- Ling Q,Hou L B,Han W.Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility[J].Plant Nutr.Fert.Sci.,2004,10(6):561-567. [4]林琪;侯立白;韩伟.;不同肥力土壤下施氮量对小麦子粒产量和品质的影响[J]
- Lin Q,Hou L B,Han W.Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility[J].Plant Nutrition and Fertilizer Science,2004,10(6):561-567. [5]林琪;侯立白;韩伟.;不同肥力土壤下施氮量对小麦子粒产量和品质的影响[J]
- The effect of applying N-fertilizer or not in wheat on sod fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied. 摘要通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
- The law of supply and demand governs the prices of goods. 供求规律决定商品的价格。
- A pot experiment with 38 commonly cultured rice cultivars showed that the effect of Cu (100 mg kg~(-1)) on rice growth, grain yield and accumulation of Cu in brown rice varied greatly with different cultivars. 通过对铜污染(100mg kg~(-1))条件下38个水稻品种的土壤盆栽试验,结果表明:不同水稻品种的产量和铜在糙米中的积累量存在显著差异。
- We must try to maintain the equilibrium of supply and demand. 我们必须努力保持供求均衡。
- The sequence of grain yield and head milled rice yield was seedling 6:4 rice , middle shoot 5:5 rice , big shoot rice 4:6 output due to the correspondence between the number of ear per 666.7 m2 and the number of grain per spike . 小苗水稻6:4、中苗水稻5:5、大苗水稻4:6时产量、整精米产量最高,主要是因为穗数和穗粒数协同增加的结果。
- The land use changes of Shuangcheng City and their impacts on grain yield and environment were discussed by using the spatial analysis function of GIS on the basis of Landsat data in the years of 1986 and 2000 combined with the statistic data. 以1986年和2000年1:10万陆地卫星解译数据为基础,结合统计数据,利用地理信息系统的空间分析功能,分析了14年来双城市土地利用变化情况及其对粮食产量和环境效应的影响。
- Nitrogen harvest index (NHI) among wheat varieties for different end use was different.The diiferent indices of NUE had different relationship with grain yield and protein content. 不同类型专用小麦的各氮效率指标与籽粒产量及蛋白质含量之间表现出不同的相关性。
- Govern by supply and demand, price is the invisible hand in economics. 在经济生活中,价格是看不见的手,取决於供给与需求关系。
- Effects of fertilizers application on winter wheat root growth, grain yield and quality were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base. 摘要在国家紫色土肥力与肥料效益监测基地长期定位试验社区上,研究了不同施肥对冬小麦根系生长、产量品质的影响。
- She marched in and demanded an apology. 她毅然地走进来要求向她道歉。