How to water scientifically kiwifruit in summer
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Kiwifruit has different soil properties and different water requirements. It can be judged according to the maximum water holding capacity in the field (small water retention capacity, middle loam, and maximum clay content). Generally speaking, when the soil holding capacity of sand to clay is in the range of 25% to 35%, the soil will be somewhat dry by hand; when the maximum water holding capacity in the field is 60% to 80%, the moisture can be dispersed by hand, The most suitable soil moisture content. The water holding capacity of kiwifruit in the field is below 50%, and when this level is within 20 cm, irrigation is needed. Perceptual indicators, the kiwi planted on loam soil is controlled by hand, and is controlled into a group and spread loosely; in the viscous soil, kiwifruit is planted, the soil is controlled by hand, and there is crack when the soil is squeezed after grasping. It shows that the water holding capacity of the soil is about 50%, and the leaves are not only wilted under noontime sunshine, but are still wilting after strong light, indicating that there is water shortage and irrigation must be performed.