Appropriate soil environment is an important prerequisite for ensuring healthy growth of crops and achieving high quality and high yield. Soil pH is an important indicator for evaluating soil environment, and it is also a project that needs to be tested before crop planting. In order to obtain accurate soil quickly and accurately. In the case of ph value, it is recommended to use a soil pH meter for the determination of soil pH .
When cultivating crops, it is necessary not only to find out the suitable pH range of the cultivated crops, but also to prefer acid soil, neutral soil or alkaline soil, but also to understand the pH value of the soil and scientifically adjust the soil according to the cultivation needs. . Therefore, in scientific cultivars, the determination of soil pH is an important part. Although there are many methods for determining the pH value, it is the choice of most agricultural workers and researchers directly by using the soil pH meter. Because the instrument is simple and efficient, the measurement results are accurate and can be directly displayed. Better grasp the soil pH value and guide the soil control work.
At present, due to agricultural planting activities, many farmers neglect the use of organic fertilizers, partial application of nitrogen and phosphorus fertilizers, and excessive use of chemical fertilizers, resulting in a decrease in soil organic matter, a decrease in buffer capacity, and an increasingly serious phenomenon of soil acidification. To carry out agricultural planting, the focus is not on species, but on soil, improving the quality and safety of cultivated land has become a top priority. In order to better carry out soil protection and upgrading work, we need to better grasp the soil-related data. Soil pH measuring instruments such as soil pH meter are specialized instruments for soil environment measurement such as soil pH, nutrients and moisture. The application provided technical support for the development of related work, and also greatly promoted the work level of soil protection and upgrading, laying a foundation for the realization of efficient agricultural development.
Loader Door Lock installation procedure
1. The installation of the loader door lock and the installation of the Loader Hood lock should use the one-to-one installation manual designed by the original factory.
2. Special attention should be paid to the installation of the ball door lock. Only the end with insurance can be removed to install it, and the end with key can not be removed and installed.
3. Pay attention to the installation of the handle lock: if the left and right open are exchanged, the handle can not be lifted when opening the door, because the middle and high grade handle locks on the market have the function of left and right exchange, and do not need to consider the direction of the door when buying.
4. After the door lock installation, when the door is painted, the door lock must be removed, so as not to touch the paint on the exposed parts, because the paint is removed, it is bound to destroy the protective film of the lock.
5. During the construction period, in order to protect the door lock, it is not allowed to wrap the exposed parts of the lock with adhesive paper (including the United States paper), otherwise it will damage the protective film on the surface of the door lock after opening. 1. Do not add oil to the lock core. If the key is not flexible, it can be filled with some crumbs of pencil lead in the keyhole.
6. If the ball door lock is inadvertently rotated 90° in time, it will become a permanent insurance. At this time, it can only be opened with the key, and it can be restored by rotating the insurance counterclockwise 90°.
7, normal use, loader seat,such as dirt, can be used dry cloth (or add a little water) to remove, do not use detergent and other chemicals to scrub. Otherwise, damage to the exposed protective film, will cause fading.
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Henan Hanfeng Construction Machinery Co., LTD , https://www.hf-loaderparts.com