{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T16:11:33Z","timestamp":1790611893790,"version":"4.1.0"},"reference-count":42,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T00:00:00Z","timestamp":1781222400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"\n Nitrogen is the principal mineral nutrient limiting maize yield formation and effective nitrogen management is thus key for maximizing yield. However, conventional urea releases nutrients rapidly and the supply of nutrients is often mismatched with crop demand, leading to early-stage nutrient loss and late-stage nitrogen deficiency. Therefore, reasonable nitrogen management is a key measure for increasing maize yield. This study aimed to evaluate the effects of different ratios of controlled-release fertilizer (CRF) and urea on changes in the accumulation, distribution, and translocation of dry matter across the entire growth period of maize to optimize nitrogen management, yield, and maize production efficiency. A two-year field experiment (2023\u20132024) was performed to test the effects of different CRF-N to urea-N ratios [1:0 (N10, controlled-release fertilizer), 3:7 (N37), 5:5 (N55), 7:3 (N73), and 0:1 (N01, conventional urea), no N (N0) as control] on dry matter accumulation, distribution, translocation and yield. The results showed that dry matter accumulation followed a typical sigmoidal (\u201cS-shaped\u201d) trajectory. The dry matter accumulation advantage of N73 (70% CRF) treatment was most significant after the V6 stage, and dry matter accumulation at\u00a0R6 increased by 14.58% and 10.33% compared with that in N10 treatment in 2023 and 2024, respectively. With the progress of growth period, the distribution of dry matter among organs was changed, and N73 treatment effectively promoted dry matter allocation to the ear. Logistic equation fitting indicated that N73 treatment moderately delayed the time of the maximum dry matter accumulation rate (\n \n \n \n \n T<\/mml:mi>\n \n m<\/mml:mi>\n a<\/mml:mi>\n x<\/mml:mi>\n <\/mml:mrow>\n <\/mml:msub>\n <\/mml:mrow>\n <\/mml:math>\n <\/jats:inline-formula>\n ), sustained a relatively high maximum dry matter accumulation rate (\n \n \n \n \n V<\/mml:mi>\n \n m<\/mml:mi>\n a<\/mml:mi>\n x<\/mml:mi>\n <\/mml:mrow>\n <\/mml:msub>\n <\/mml:mrow>\n <\/mml:math>\n <\/jats:inline-formula>\n ), and extended the active growth period (\n P<\/jats:italic>\n ). In addition, N73 treatment increased both pre-anthesis dry matter remobilization (DMR) and post-anthesis assimilation (DMA), enhanced the contribution of dry matter accumulation to grain at post-anthesis (DMAC) and maize yield. In summary, a 7:3 CRF:urea application ratio optimizes maize dry matter accumulation and partitioning and\u00a0coordinates pre-anthesis reserve remobilization with post-anthesis photosynthetic assimilation, and ultimately increased maize yield. Our findings have implications for optimizing nitrogen management, enhancing maize yield, and improving the efficiency of maize production. These results indicate that in the black soil region of Northeast China, a mixture of 70% controlled-release fertilizer and 30% urea is an effective strategy for promoting dry matter accumulation and transport, and for increasing yield of maize.\n <\/jats:p>","DOI":"10.3389\/fpls.2026.1820916","type":"journal-article","created":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T18:10:18Z","timestamp":1781287818000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":1,"title":["Optimization of controlled-release fertilizer and urea ratio to increase maize yield by improving dry matter accumulation and translocation in black soil"],"prefix":"10.3389","volume":"17","author":[{"given":"Chunyan","family":"Yin","sequence":"first","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]},{"name":"Inner Mongolia Autonomous Region Industrial Technology Engineering Center for Efficient Utilization of Water and Soil Resources, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liang","family":"Feng","sequence":"additional","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]},{"name":"Inner Mongolia Autonomous Region Industrial Technology Engineering Center for Efficient Utilization of Water and Soil Resources, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoyu","family":"Liu","sequence":"additional","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]},{"name":"Inner Mongolia Autonomous Region Industrial Technology Engineering Center for Efficient Utilization of Water and Soil Resources, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin","family":"Shen","sequence":"additional","affiliation":[{"name":"National Agro-Tech Extension and Service Center","place":["Beijing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guohai","family":"Fu","sequence":"additional","affiliation":[{"name":"National Agro-Tech Extension and Service Center","place":["Beijing, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ju","family":"Zhao","sequence":"additional","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]},{"name":"Inner Mongolia Autonomous Region Industrial Technology Engineering Center for Efficient Utilization of Water and Soil Resources, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lele","family":"Tian","sequence":"additional","affiliation":[{"name":"College of Agriculture, Inner Mongolia Agricultural University","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingmei","family":"Li","sequence":"additional","affiliation":[{"name":"Institute of Resources, Environment and Sustainable Development, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]},{"name":"Inner Mongolia Autonomous Region Industrial Technology Engineering Center for Efficient Utilization of Water and Soil Resources, Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences","place":["Hohhot, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,6,12]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"223","DOI":"10.1016\/j.fcr.2005.03.001","article-title":"Predicting maize kernel sink capacity early in development","volume":"95","author":"Borr\u00e1s","year":"2006","journal-title":"Field Crops Res."},{"key":"B2","doi-asserted-by":"publisher","first-page":"2461","DOI":"10.1073\/pnas.1101419108","article-title":"Study on adaptability of spring wheat yield to water and nitrogen reduction under wide-width uniform sowing and conventional strip sowing in oasis irrigated 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