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[目的]探讨海藻生物有机肥对冬小麦的产量和品质造成的影响程度。[方法]采取大田小区试验方法,在冬小麦返青期后拔节-成熟期,叶面喷施海藻生物有机肥3次,共45 kg/hm~2,调查冬小麦的株高、干物质积累、旗叶光合特性和籽粒产量等。[结果]喷施海藻生物有机肥对冬小麦的株高影响较小,促进茎杆粗壮、干物质积累量增加,旗叶光合速率增加了3.16%,小麦产量增加6.85%。[结论]叶面喷施海藻生物有机肥可促进冬小麦智能化生长,增粗抗倒伏,显著提高了单株穗重的同时,增加了容重,提高小麦籽粒的物理品质;有利于叶片叶绿素的合成和缓解叶绿素的分解。在目前国家提出的化肥和农药双减战略形势下,该试验结果和数据可在全省和全国小麦种植区推广应用。
[Objective] The research aimed to discuss the influence of seaweed bio-organic fertilizer on the yield and quality of winter wheat. [Method] With the method of field plot test, the algae bio-organic fertilizer was sprayed on the foliage for 3 times at the jointing-maturing stage and the total foliage was 45 kg / hm ~ 2. The plant height, dry matter accumulation, Photosynthetic characteristics and grain yield. [Result] The results showed that the application of seaweed bio-organic fertilizer had little effect on the plant height of winter wheat, promoted stem stout and increased dry matter accumulation, increased flag leaf photosynthetic rate by 3.16% and wheat yield by 6.85%. [Conclusion] The application of seaweed bio-organic fertilizer on foliar surface could promote the intelligent growth of winter wheat and increase the lodging resistance, significantly increase the panicle weight per plant, increase the bulk density, and improve the physical quality of wheat grain. It is also beneficial to the synthesis of chlorophyll And ease the decomposition of chlorophyll. Under the current situation of double reduction of chemical fertilizers and pesticides put forward by the country, the experimental results and data can be popularized and applied in the wheat growing areas across the province and the whole country.