Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 35 checked references that resolve
resolves10.1626/pps.1.242Rooting Nodes of Deep Roots in Rice and Maize Grown in a Long Tube
resolves10.1626/pps.3.281Which Roots Penetrate the Deepest in Rice and Maize Root Systems?
resolves10.1626/pps.4.215Deep Rooting in Winter Wheat: Rooting Nodes of Deep Roots in Two Cultivars with Deep and Shallow Root Systems
resolves10.1626/pps.5.286Physiol-Morphological Analysis on Axile Root Growth in Upland Rice
resolves10.1007/s11104-004-1304-2Stable isotope analysis of water extraction from subsoil in upland rice (Oryza sativa L.) as affected by drought and soil compaction
resolves10.1071/AR9960479Effect of tillage and stubble management on soil water storage, crop growth and yield in a wheat-lupin rotation in southern NSW
resolves10.1626/jcs.60.130Interspecific Differences of the Root System Structures of Four Cereal Species as Affected by Soil Compaction
resolves10.1626/pps.6.224Erosion Control on a Steep Sloped Coffee Field in Indonesia with Alley Cropping, Intercropped Vegetables, and No-Tillage
resolves10.1626/pps.7.347Cassava-Based Intercropping Systems on Sumatra Island in Indonesia: Productivity, Soil Erosion, and Rooting Zone
resolves10.1626/pps.8.368Productivity and Water Source of Intercropped Wheat and Rice in a Direct-sown Sequential Cropping System: The Effects of No-tillage and Drought
resolves10.1626/pps.7.329Crop Production in Successive Wheat-Soybean Rotation with No-Tillage Practice in Relation to the Root System Development
resolves10.1626/pps.7.356Maize-Soybean-Cowpea Sequential Cropping as a Sustainable Crop Production for Acid-Infertile Clay Soils in Indonesia
resolves10.1016/0167-1987(88)90033-5Effect of mulch rates and tillage systems on infiltrability and other soil physical properties of an Oxisol in Paraná, Brazil
resolves10.1626/pps.7.427Hydrogen Stable Isotope Analysis of Water Acquisition Ability of Deep Roots and Hydraulic Lift in Sixteen Food Crop Species
resolves10.1626/pps.8.433Mixed Planting with Legumes Modified the Water Source and Water Use of Pearl Millet
resolves10.1626/pps.8.454Deep Root Water Uptake Ability and Water Use Efficiency of Pearl Millet in Comparison to Other Millet Species
resolves10.1626/pps.9.123Water Competition of Intercropped Pearl Millet with Cowpeaunder Drought and Soil Compaction Stresses
resolves10.1626/pps.9.355Pearl Millet Developed Deep Roots and Changed Water Sources by Competition with Intercropped Cowpea in the Semiarid Environment of Northern Namibia
resolves10.1626/pps.10.20Water Acquisition From The Seasonal Wetland and Root Development of Pearl Millet Intercropped With Cowpea in A Flooding Ecosystem of Northern Namibia
The 1 reference without a DOI — listed, not checked
no DOI — not checked13) Iijima, M., Izumi, Y., Yuliadi, E. and Sunyoto. 1999. Approach for sustainable crop production system in red acid soil region in Indonesia. In Horie, T. et al. eds., World Food Security and Crop Production Technologies for Tomorrow. Cosmic Printing, Kyoto. 229-232.
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