Effects of rice straw covering net on soil erosion and wheat yield were studied with self-designed soil erosion boxes under simulated rainfall.
通过自制土壤冲蚀槽,并进行人工模拟降雨试验,研究了稻秆编织地表覆盖物对坡地土壤侵蚀和小麦产量的影响。
Drought is one of the most serious agricultural meteorological disasters, and the main limiting factor for raising winter wheat yield in North China.
干旱是华北平原最严重的农业气象灾害之一,是冬小麦产量稳定上升的重要限制因素。
A field experiment was conducted on a Hongyou soil of Yangling to investigate the effects of irrigation and nitrogen fertilization on wheat yield under straw mulch.
通过田间试验研究了杨凌红油土农田秸秆覆盖条件下冬小麦的水氮效应。
Under lower fertility conditions, the fertilization with the appropriate amount of nitrogen in this area could increase wheat yield and enhance wheat drought resistance.
在旱地土壤肥力低的条件下,一次施适量氮肥,可促进小麦增产,增强植物的抗旱性。
Density had more significant effects on wheat yield than soil fertility.
密度对小麦产量的影响比土壤肥力更为显著。
The results showed that the PBDZ could significantly increase rice and wheat yield.
结果表明:PBDZ栽培能显著提高稻麦产量。
The results showed that refuse sugarbeet lime, burned lime and sewage sludge significantly increased wheat yield.
试验结果表明施用废弃的甜菜石灰、熟石灰和污水沉泥较大地提高了小麦产量。
This indicates that it is one of important reason for wheat yield increase by enhanced harvest index with applying N.
表明施氮提高收获指数是促进小麦增产的主要原因之一。
The major reason for the improved wheat yield was the increase in the number of grains per spike and the thousand-grain-weight.
改进小麦产量的主要因素是每穗粒数和千粒重的增加。
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。
Compared normal plastic film and straw mulching, winter wheat yield with water-osmosis plastic film mulching increased by 43.1% and 40.4%.
与常规地膜覆盖和秸秆覆盖比较,渗水地膜覆盖冬小麦增产分别为43.1%和40.4%。
Winter wheat yield and water use efficiency under sprinkler irrigation condition were higher than that under surface irrigation condition.
喷灌条件下冬小麦的产量和水分利用效率明显高于地面灌溉。
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。
The effect extent of soil property for wheat yield was analyzed by using correlation analysis, grey associate analysis and rough sets theory.
运用简单相关、灰色关联分析方法和粗糙集理论,分析了土壤特性对小麦籽粒产量的影响。
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。
Sensitive parameters of winter wheat yield simulation in EPIC model were analyzed by global sensitivity analysis in Hengshui experimental area.
该研究以河北衡水冬小麦试验区为研究区,使用全局敏感性分析方法分析EPIC模型在冬小麦产量模拟中的敏感参数。
Using wheat cultivar Yannong 24 and Lumai 21 as materials, effect of Formulated fertilizer application on wheat yield was conducted in this report.
以烟农24号和鲁麦21号为材料,研究了氮磷钾配施水平对小麦产量的影响。
Results showed that rational use of chemical fertilizer not only increased wheat yield, but also increased N, P and K content in wheat to some extent.
结果表明,合理施用化肥不但增产幅度大,还在一定程度上增加了小麦N、P、K养分浓度。
The results showed that the feasibility of the prediction factors and the accuracy of the wheat yield prediction were improved by using connection degree.
并对新昌县小麦产量进行预报试验,结果表明,联系度的引进改进了预报因子的合理性,能提高小麦产量预报的准确性。
The phosphorus fertilizer is the main restricted factor that the wheat (Jimai20) yield improves. Application of P and N fertilizer could obviously increase the wheat yield.
即在本试验条件下磷肥是济麦20产量提高的主要限制性因素,增施磷肥、适量施用氮肥可以提高其产量。
The effects of different fertilization stage on wheat yield, nitrogen uptake, utilization, residue, distribution and nitrogen balance were studied by potted plant experiment.
分析了不同施肥时期对砂质潮土小麦产量、氮素吸收与利用、土壤残留与氮素损失的影响。
No-till and subsoiling have shown promise in increasing water storage, reducing water loss, enhancing water availability, and saving energy, as well as increasing wheat yield.
采用保持耕作措施,尤其免耕和深松,对于增加土壤蓄水、减少蒸发损失、提高水分有效性、节省能耗以及改善作物产量显示出最佳的效果。
The application of potash and (or) organic manure also increased wheat yield, total content of amino acid and crude protein, decreased the content of raw starch in wheat grain, however.
施用钾肥和(或)有机肥提高了小麦子粒的氨基酸总量、粗蛋白含量,但降低了粗淀粉含量。
Based on a long term located experiment of applying micronutrients fertilizer for 18 years, it was investigated on effects of long term applying micronutrients fertilizer on wheat yield.
以已进行18年的微量元素肥料定位试验为背景,研究了长期施用微肥条件下小麦的增产效应。
Taking Guangrao county, Shandong Province as the study area, winter wheat yield estimation techniques were explored based on high and moderate resolution remote sensing data at county level.
该文以山东省广饶县为研究区,探讨基于中高分辨率卫星遥感数据的县域冬小麦估产技术。
In Huaibei area the unsuitable application of wheat variety, bad climate soil conditions, lower fertility and extensive cultivation were major limiting factors for high wheat yield in large areas.
对近几年淮北小麦生产现状的分析表明,小麦品种使用不当、不良气候、土壤肥力偏低以及栽培粗放是当前淮北小麦大面积生产存在的主要问题。
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。
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。
应用推荐