21. The warmest soil temperature estimated by the Viking Orbiter was. 22. Mulch will help preserve soil moisture and help moderate soil temperature in summer and winter. 23. Additional sensors may be added in the future, such as soil moisture and soil temperature . 24. Soil temperature has important seasonal, monthly and daily variations.25. For the soil temperature to rise quickly, the ground must be fairly dry, he said. 26. Soil temperature specifically has been linked to decreasing the overall length of the nesting cycle.27. Crop gains are limited, though, by cooler-than-normal soil temperatures . 28. The CCN has a limited economic impact worldwide due to its high soil temperature requirements. 29. The 2 great groups of Luvisolic soils are distinguished mainly on the basis of soil temperature . 30. The eight layers are described in terms of soil temperature , volumetric water content and ice content.
