Effect of Soil Moisture on Potato Yield

Effect of Soil Moisture on Potato Yield

Effect of Soil Moisture on Potato Yield

The potato has the characteristics of heat resistance, cold resistance, drought resistance, and tolerance to slimming. Therefore, in some areas where water is relatively scarce, the planting area is very wide. However, potatoes are very sensitive to moisture. In order to reduce potato yield loss caused by water loss, potatoes are irrigated more frequently than tomatoes, corn and other crops. During the growth of potatoes, there must be enough water to obtain higher yields.

The research shows that the minimum limit of soil moisture in potato is 65% in seedling stage, 75% in tuber formation period, 80% in tuber growth period, and 60% to 65% in starch accumulation period. The yield is the highest and the benefit is significant. Potatoes are water-intensive crops, but there are significant differences in water consumption at different stages. The seedling period accounts for about 10%~15% of the whole growth period; the tuber formation period consumes about 23%~28% of the whole growth period; the tuber growth period consumes about 45%~50 of the whole growing period. More than % is the period with the most water consumption in a lifetime, with a large amount of irrigation and a large amount of water consumption; during the starch accumulation period, excessive moisture is not required, otherwise it will easily cause the rot of the tuber and the impatience of storage of the tuber, which will reduce the yield. Water consumption accounts for about 10% of the total growth period. (3) The water consumption law during the whole growth period of potato is generally the trend of approximating the parabola with low water intensity in the early stage, gradually increasing in the middle stage, and decreasing in the later stage. WUE continues to increase with the continuous improvement of soil water supply conditions; soil moisture is too high and WUE decreases.

It can be seen that the changes in soil moisture throughout the entire study. Changes in soil moisture need to pass through related instruments, such as the GPS soil moisture detector. This GPS soil moisture measuring instrument not only can measure soil moisture, but also can display the latitude and longitude information of the measured points at the same time, and can determine the spatial difference of soil moisture from the macroscopic point of view. In addition, soil moisture meters, for example, can measure soil moisture. Of course, it is a versatile soil moisture analyzer that also measures soil temperature. Soil moisture occupies a very important position in soil testing instruments because soil moisture affects soil nutrients and the properties of some other soils. Soil moisture is a basic factor. In addition, soil moisture plays an important role in the absorption of soil nutrients, and the change of soil nutrients can be measured by soil testing and formula fertilization. From this, we found that no matter what the study is, we need data to speak, and the current research is increasingly indispensable to the use of scientific instruments, because scientific instruments can make research more accurate and faster.

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