稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。
The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.
通过大田玉米试验，验证新型土壤改良剂对夏玉米生育期土壤水分、紧实度及玉米生理生长特性的影响。
The article is validate the influence on moisture characteristic, soil compactness, biological and vegetal characteristic of summer maize by new soil amendment use field experimentation of corn.
玉米粗缩病的发生与病毒侵染时玉米植株的生育期关系密切。
Occurrence of rough dwarf disease of maize closely associated with growth stage of maize during the disease infection.
其中细菌、放线菌的数量随玉米生育期的发育逐渐增多，而真菌的数量则逐渐减少。
The number of bacteria and actinomycetes increased with the growth of the corn plant but that of the fungi changed in vise versa.
经过与人工观测对比，结果表明：利用颜色特征参数对夏玉米主要生育期进行识别是可行的，正确识别率达到94.26%。
After comparison with the manual observation, the results showed that it is available to identify maize developmental period by using color parameters. The correct recognition rate reaches 94.26%.
因此，在对玉米进行灌水和施肥时，针对不同生育期要有不同的施肥和灌水制度，才能满足玉米正常的生长发育。
Therefore, different fertilization and irrigation system in different development stages are needed to ensure the normal development of corn.
采用盆栽和田间试验方法研究了低磷胁迫对不同耐低磷玉米基因型全生育期生长发育的影响。
The genotypic Difference of some Characters was investigated in different phosphorus efficiency Maize under phosphorus deficiency stress.
该系统针对河南省主要的农作物——冬小麦、夏玉米和棉花进行全生育期“适宜”和“灾害”气象指标的浏览查询。
The system could browse or query the "fitting" and "disaster" index in whole grow phase of winter wheat, summer maize and cotton in Henan.
该系统针对河南省主要的农作物——冬小麦、夏玉米和棉花进行全生育期“适宜”和“灾害”气象指标的浏览查询。
The system could browse or query the "fitting" and "disaster" index in whole grow phase of winter wheat, summer maize and cotton in Henan.
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