1 resultado para science in early childhood settings
em Digital Repository at Iowa State University
Filtro por publicador
- Aberystwyth University Repository - Reino Unido (5)
- Adam Mickiewicz University Repository (1)
- AMS Tesi di Dottorato - Alm@DL - Università di Bologna (2)
- Applied Math and Science Education Repository - Washington - USA (1)
- Aquatic Commons (6)
- Archivo Digital para la Docencia y la Investigación - Repositorio Institucional de la Universidad del País Vasco (2)
- Aston University Research Archive (4)
- Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP) (3)
- BORIS: Bern Open Repository and Information System - Berna - Suiça (31)
- Brock University, Canada (10)
- CaltechTHESIS (1)
- Cambridge University Engineering Department Publications Database (3)
- CentAUR: Central Archive University of Reading - UK (78)
- Chinese Academy of Sciences Institutional Repositories Grid Portal (11)
- CORA - Cork Open Research Archive - University College Cork - Ireland (8)
- CUNY Academic Works (1)
- Dalarna University College Electronic Archive (3)
- Deakin Research Online - Australia (193)
- DI-fusion - The institutional repository of Université Libre de Bruxelles (1)
- Digital Commons @ DU | University of Denver Research (2)
- Digital Commons at Florida International University (7)
- Digital Repository at Iowa State University (1)
- DigitalCommons@The Texas Medical Center (6)
- DigitalCommons@University of Nebraska - Lincoln (2)
- DRUM (Digital Repository at the University of Maryland) (2)
- Duke University (9)
- eResearch Archive - Queensland Department of Agriculture; Fisheries and Forestry (1)
- FAUBA DIGITAL: Repositorio institucional científico y académico de la Facultad de Agronomia de la Universidad de Buenos Aires (2)
- Greenwich Academic Literature Archive - UK (2)
- Helda - Digital Repository of University of Helsinki (20)
- Illinois Digital Environment for Access to Learning and Scholarship Repository (1)
- Indian Institute of Science - Bangalore - Índia (3)
- Instituto Politécnico de Viseu (6)
- Instituto Superior de Psicologia Aplicada - Lisboa (3)
- Ministerio de Cultura, Spain (17)
- National Center for Biotechnology Information - NCBI (1)
- Nottingham eTheses (2)
- Plymouth Marine Science Electronic Archive (PlyMSEA) (5)
- Portal de Revistas Científicas Complutenses - Espanha (2)
- QSpace: Queen's University - Canada (2)
- QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast (174)
- Queensland University of Technology - ePrints Archive (257)
- Repositório Científico da Universidade de Évora - Portugal (1)
- Repositório Científico do Instituto Politécnico de Lisboa - Portugal (2)
- Repositorio de la Universidad del Pacífico - PERU (1)
- Repositório Institucional da Universidade de Aveiro - Portugal (1)
- Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho" (10)
- Research Open Access Repository of the University of East London. (6)
- RUN (Repositório da Universidade Nova de Lisboa) - FCT (Faculdade de Cienecias e Technologia), Universidade Nova de Lisboa (UNL), Portugal (2)
- SAPIENTIA - Universidade do Algarve - Portugal (1)
- Universidad de Alicante (2)
- Universidad del Rosario, Colombia (2)
- Universidad Politécnica de Madrid (1)
- Universidade de Lisboa - Repositório Aberto (1)
- Universitat de Girona, Spain (2)
- Université de Lausanne, Switzerland (8)
- Université de Montréal, Canada (5)
- University of Canberra Research Repository - Australia (2)
- University of Michigan (10)
- University of Queensland eSpace - Australia (6)
- University of Washington (4)
- WestminsterResearch - UK (3)
- Worcester Research and Publications - Worcester Research and Publications - UK (5)
Resumo:
Corn is planted earlier each year, which is one important component in maximizing grain yield. Earlier planting dates can be attributed to larger farms, less spring tillage, improvements in corn hybrids, improved drainage systems, and better seed treatments. Research conducted at the ISU Northwest Research Farm from 2006 through 2009 showed that the planting window for 98 percent or greater yield potential in northwest Iowa is April 15 to May 9. A 95 percent or greater yield potential can be realized from April 15 to May 18. A study was conducted from 2009 through 2011 at the Northwest Research Farm to determine how corn planted in early April compares with corn planted in the recommended planting window for the area.