Spring maize grain starch content changed as a single peak curve after silking.
春玉米籽粒淀粉组分吐丝后呈单峰曲线变化。
Nitrogen nutrition level has some influence on the growth and development of spring maize leaves.
氮素营养水平对春玉米的叶片生长有一定的影响。
The classification of cultivation measures for spring maize was studied with the principal factor analysis and regression methods.
应用因子分析和回归方法对春玉米高产农艺措施进行了数量分类与寻优。
The effect of nitrogen dosage on starch content and key enzyme activity in composing starch in kernels of spring maize was studied.
以不同品种春玉米为试验材料，研究氮肥施用量对春玉米子粒淀粉含量及淀粉合成关键酶活性的影响。
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。
With 312-d optimized saturation design, field experiment was conducted to study yield effect of water and fertilizer coupling on spring maize.
采用312-D最优饱和设计，开展了春玉米水肥耦合作用田间试验研究。
The field experiment was conducted to study the effects of different conservation tillages on soil temperature, moisture and yield formation of spring maize.
通过大田试验研究了保护性耕作对土壤水温和春玉米产量形成的影响。
Results showed that nitrogen quantity was the chief factor to affect spring maize yield, irrigation quantity was the second factor, phosphorus quantity was the third.
结果表明，在试验年施氮量对产量影响最大，灌溉量次之，施磷量最小。
The main growth and developmental characteristics of spring maize were shown as follows:higher plant height increment per day and exuberant growth of leaves in the early stage;
春玉米的主要生长发育特性为：大田初期株高日增量大，叶片早生快发，生长旺盛；
In this paper, root samples of winter wheat and spring maize under intercropping were taken with large-bore soil auger, and the dynamics of their spatiotemporal distribution were studied.
采用大口径土钻对间作种植模式下冬小麦与春玉米根系进行取样，分析了两种作物根系的空间分布及动态变化规律。
MDA content was increased by drought treatment at different growth stages in spring maize functional leaves, and increased mostly by drought treatment at seedling and the increased percent was 57.77%.
不同生育时期干旱处理均使功能叶片中MDA含量增加，苗期干旱处理时增加幅度最大，达57.77%。
The following spring, local Wampanoag Indians taught the colonists how to grow corn (maize) and other local crops, and also helped the newcomers master hunting and fishing.
第二年春天，万帕诺亚格印第安人向殖民地居民传授了种植玉米和其他地方作物的技巧，并教会新移民如何狩猎和捕鱼。
With 12 maize varieties used as materials, the regression relationship between the leaf number index and spike differentiation were studied under the spring and summer sowing.
以12个玉米品种为材料，在春播与夏播条件下进行玉米叶龄指数与穗分化期回归关系的试验研究。
A systematic investigation was made of the aphid populations and their bio-distribution on spring-sown maize plants in 1998~1999 in the suburbs of Chongqing.
对重庆市郊区1998年至1999年春玉米上蚜虫种群的发生情况进行了系统调查。
Climate warming was closely interrelated with expanding of planting areas of maize and potato, decreasing of planting areas of spring wheat and the northward extension of maize planting boundary.
玉米、马铃薯种植面积扩大，春小麦种植面积减小，玉米种植界限向北延伸等与气候变暖的关系密切。
She dwelt on the hillside by the edge of a maize-field, near the spring that flows in laughing rills through the solemn shadows of ancient trees.
她住在玉米地边的山畔，接近那股嬉笑着流经古树的肃静的阴影的清泉。
She dwelt on the hillside by the edge of a maize-field, near the spring that flows in laughing rills through the solemn shadows of ancient trees.
她住在玉米地边的山畔，接近那股嬉笑着流经古树的肃静的阴影的清泉。
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