Compared to Guyuan, spring wheat yield at Yulin and Haiyuan was lower, yield fluctuation was stronger and soil desiccation rate was faster.
与固原相比，榆林和海原连作春小麦产量较低，产量波动性较大，春小麦田干燥化进程较快。
Through the rotating, regressive and perpendicular experiment and the study of the effect of spring wheat yield between different fertilizer quantity and density.
根据旋转回归正交试验，研究探讨了不同肥量、密度条件下对春小麦产量的影响。
The data of daily mean temperature, precipitation and wheat yield in Liuzhi special zone from 1988 to 2008 were used to analyze the relationship between lower temperature in spring and wheat yield.
利用六枝特区1988 - 2008年的日平均气温、降水资料以及同期的小麦产量数据，分析了倒春寒天气特征及其与小麦产量的关系。
To supply scientific evidences of saving water, a study was made on effects of different irrigation quota on the growth and yield of spring wheat in field conditions in arid and semiarid regions.
在大田条件下，研究不同灌溉量对干旱半干旱地区春小麦生长及产量构成的影响，以期为春小麦节水灌溉提供理论依据。
Winter wheat yield was more sensitive to rainfall and spring maize yield more influenced by previous crop stubbles in rotation system.
在轮作条件下，冬小麦的产量更容易受到降水的影响，而春玉米的产量更容易受茬口的影响。
Effects of plastic film mulching and pre-sowing irrigation on yield formation of spring wheat.
地膜覆盖和底墒灌溉对春小麦产量形成的影响。
New Chinese spring wheat varieties (lines) with desirable agronomic and yield characters were used as explants to investigate the tissue culture and genetic transformation parameters in this study.
本文以中国春性小麦新品种(系)为外植体，进行组织培养和遗传转化参数研究。
Ear in Vitro culture technology was employed to study the disciplinarian of the effect of zinc on spring wheat growth at the last stages and yield character.
采用离体穗培养技术研究了锌对春小麦后期生长及产量的影响。
The negative correlativity between the yield and the protein content of spring wheat grain were changed by increasing soil fertility and harmony the correlation fertilizer and soil water content.
籽粒产量和蛋白质含量之间的负相关关系可以通过培肥地力和合理的肥水运筹加以协调。
However, the obvious shortage on water supply has an impact on a stable yield and acreage to expand spring wheat planting.
但是，由于水资源日渐匮乏，对春小麦的高产稳产和推广造成影响。
The winter wheat yield had no correlation with winter, spring precipitation, but had considerable correlation with winter, spring temperature.
冬小麦产量与冬季、春季降水量相关不明显，而与冬季、春季气温存在显著的正相关关系。
Interactions of water and phosphorus on growth, roots carbon consumption and yield of spring wheat were conducted by a potted plant experiment under an auto-rain-shelter.
在自动控制的遮雨棚中，利用盆栽试验研究了水磷互作对春小麦生长发育、根系耗碳和产量的影响。
This farming combination program was confirmed to have a stable yield-improvement effect in the spring wheat production and would be worth being further spread.
该套农艺组合方案，在春小麦生产中具有较稳定的增产效果，可以进一步大面积推广应用。
This farming combination program was confirmed to have a stable yield-improvement effect in the spring wheat production and would be worth being further spread.
该套农艺组合方案，在春小麦生产中具有较稳定的增产效果，可以进一步大面积推广应用。
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