并利用逐步回归分析方法,建立大豆产量的预测模型,找出影响大豆产量的主要气象因子。
Taking advantage of stepwise regression, we find the main meteorological factors which affect the soybean output and establishes a calculate model.
土壤水分与肥料是影响作物产量与品质的重要因子。
The soil humidity and fertilizer dosages are important factors that affect the farm crop yield and qualities.
分析了三角帆蚌对水体的主要水质因子变化及鱼产量的影响。
The main water factors of fishpond water in lakeshore and the impact of fish yield were analyzed.
大棚土壤障碍因子是国内外共同存在的问题,已严重影响蔬菜等作物产量、品质并引起环境污染。
The soil obstacle factors in plastic greenhouse were the common problems in the world, having seriously affected the output and quality of vegetables and caused the environment pollution as well.
采用4水平3因子正交试验设计,通过盆栽试验,用添加法研究了铜、铅、锌及其复合污染的红壤性水稻土对水稻生长、产量、品质的综合影响。
Comprehensive effects of cu, Pb and Zn in Soil on growth, yield and quality of rice have been studied through a series of pot culture experiments with a 4 level and 3 factor orthogonal design.
竹笋产量主要影响因子是丛立竹数和立竹胸径,决定出笋数量和笋个体质量。
The key factors affecting the yield of shoot were the quantity and DBH of living culm, which determined the quantity and quality of shoot.
采用灰色关联分析法,研究了气候因子对棉花产量和纤维品级的影响。
The grey relational method was applied to study the effects of climatic elements on cotton yield and fiber grade.
分化三期植株氮、始穗期的植株磷和植株钾是影响产量的最重要因子。
The nitrogen content of a plant at the third phase of differentiation, the phosphate and potash content of a plant at the first-earing phase are the most important factors to affect yield.
通过土壤养分系统研究法,诊断出贵州省铜仁地区松桃县黄泥土影响小麦产量的主要限制因子排列为:P>K>B。
The main soil nutrients of affecting wheat yield is P>K>B by the systematic approach for determining nutrient contents of the yellow soil in Tongren prefecture.
对模型进行解析,找出了影响五区小麦产量较大的因子是氮基肥、不同叶龄追施氮肥和密度。
The main factors influencing the wheat yield in downland were initial nitrogenous dressing, the amount of nitrogenous fertilizer applied for different leaf age and close fertilization.
导管结构与树干生长、干胶产量关系的不确定性说明,木质部导管结构不是影响橡胶树生长势和产量的主要因子。
The undefined correlations between vessel structural characters and growth and yield suggested that the vessel character was not the main factor affecting the growth and rubber yield.
低温胁迫是影响植物正常生长的主要障碍因子之一,植物尤其是经济作物的抗冷性强弱直接影响作物产量。
Low temperature stress is one of the main obstacle factors influencing the normal growth of plants. The plant resistance to cold, especially cash crops, has direct impact on the crop production.
用积分回归法分析了牧草生长发育各时段单位因子变化量对年产量的影响程度及正负效应时段。
Using method of integral regression, effect of varying amounts per factor on annual yield and period of positive or negative effect during each growing stage of grasses were given.
干旱、低温和高盐是目前影响农作物的主要非生物限制因子,它严重影响作物的生长发育,以及产量和品质。
Drought, low temperature and high salt are adverse abiotic environment that greatly affected the growth of plant and the productivity and quality of crops.
利用影响海盐产量的多因子,采取从理想状态到实际状态的分析方法,建立海盐产量估算模型。
To make the model of output of sea salt gradually with the factors which affect the output.
研究了丰华占在抛秧栽培方式下,3种施肥方式和3种不同抛植密度对产量及构成因子、稻米品质的影响。
Various effects, of 3 planting densities and 3 patterns of fertilizer application, on yield and quality of Fenghuazhan were studied.
光温因子主要通过单位面积有效穗数、每穗粒数和单位面积颖花量的作用而影响超级稻产量;
The light and temperature factors greatly affect yield mainly by the productive panicle number, spikelets per panicle and spikelet's per unit area.
影响作物产量预报准确性的关键问题之一是自然条件下预报因子对作物产量影响的不确定性。
The Uncertainty of the prediction factors which influenced the crop yield under natural conditions was one of the key issues which determined the veracity of the crop yield prediction.
小麦是世界上第一大粮食作物,而干旱缺水是影响小麦产量的最主要限制因子。
Wheat is a staple crop in the majority of countries; however its yield has been limited dramatically by drought.
小麦是人类主要的粮食作物之一,干旱、盐渍胁迫等逆境是小麦生产的主要环境限制因子之一,其严重影响小麦的产量和栽培范围。
Wheat is one of the most important staple crop in the world. Drought and soil salinity are the most serious environmental factors that greatly limit wheat growth and productivity.
水稻产量作为主要的育种目标性状,直接受到每穗实粒数、千粒重和单株有效分蘖数等产量构成因子的影响。
Yield as a major breeding objective in rice, is directly influenced by the yield-component traits including the number of productive tillers per plant, grains per panicle and 1000-grain weight.
侧枝的发生是影响植物株型的一个重要因子,也是影响产量的一个重要农艺性状。
Shoot branching is a major factor in plant architecture and an important agronomic trait for productivity.
在产量构成因子中,每盆穗数和结实率是影响产量的两个主要因子。
Among the yield components, decreases in number of panicles per pot and seed setting rate were two main reasons for the yield reduction.
温度胁迫是重要的非生物胁迫因子之一,对植物的生长发育、地理分布和品质产量等产生重要的影响。
Temperature stress is an important abiotic stress which restricts the development, productivity and geographical distribution of plants.
温度胁迫是重要的非生物胁迫因子之一,对植物的生长发育、地理分布和品质产量等产生重要的影响。
Temperature stress is an important abiotic stress which restricts the development, productivity and geographical distribution of plants.
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