Nanzhu bamboo shoots are the predecessor of spring bamboo shoots. Because they are in the young stage of bamboo shoots, they are tender and nutritious and are used as a delicacy on the table. In the mountains, people have traditionally produced winter bamboo shoots as an important commodity. For this reason, the correct method must be adopted during excavation.

One is the limited time. That is, it is limited to 1-2 excavations before the "winter solstice" or before the "winter".

The second is the specified range. Dig only the bamboo shoots inside the bamboo forest, do not dig bamboo shoots on the edge of the forest and shoots on the edge of the hollow forest. Purposeful protection, induction of bamboo shoots in the forest margin and empty bamboo shoots, creating good conditions for growth and early forestation.

The third is to cover the soil in time. Digging bamboo shoots in winter is very cold, whipping roots exposed surface, vulnerable to freezing damage, easy to accumulate water after rain, cause bad whip, earth should be buried immediately after the soil buried, and appropriate application of organic fertilizer, improve bamboo shoots of the forest rate.

The fourth is to change the way. That is to change the planing whip to dig for the fixed point, choose a bamboo plant with leafy foliage, bamboo leaves with green but with a small amount of yellow leaves as the object to find bamboo shoots, the direction of bamboo sticks in the direction of bamboo bamboo rib extension and the direction of bamboo whip Large to parallel, and then observe the ground along this direction. For example, if there is a slight swelling, looseness, or cracking of the clod on the surface, there may be bamboo shoots with a soft foot. In addition, on sunny days in the woodlands that have been fully excavated or fully shovelled, it is found that there are spots where the dark circles are dark and moist and most likely to find bamboo shoots. Do not harm bamboo whip, whip root and whip bud when digging bamboo shoots.

The fifth is to determine the object. Dig only large bamboo shoots, do not dig small bamboo shoots, young bamboo shoots, and sparse bamboo shoots, leaving spring bamboo shoots to raise bamboo forests. Change the habit of “bringing bamboos in the old year and digging bamboo shoots in the old years”. Let bamboo shoots grow bamboo, through a few years of stay, you can change the size of the year Zhushan to Huanyen Zhushan, that is, the number and quality of bamboo shoots and bamboos are basically the same each year. Note that bamboo bamboo shoots shall not be dug for bamboo shoots where the density of bamboo shoots is less than 133 trees per acre, that is, sparse bamboo shoots with a row spacing of more than 2.24 meters.

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