1. Selection of cultivated land: Walnuts are suitable for growth on sandy soil and black loam soil with good warmth, deep soil layer and good drainage. It should be planted on sunny slopes and leeward. Newly planted young trees should have sufficient water and fertilizer, and spray new high-fat membranes to ensure evaporation of water on the ground, transpiration of seedlings, isolation of pests and diseases, shortening of slow seedling period and accelerated root development.
2, plastic pruning: in order to make walnuts early results, high yield, stable production, reasonable plastic trimming is a very important cultivation technology. The pruning period of walnut is different from that of ordinary fruit trees. After the fruit is taken, the leaves are not yellowed before, and the wounded anti-corrosion film is applied in time to cut the wounds to promote wound healing and prevent infection by bacteria.
3, steady flower setting: in the flower bud stage, young fruit stage and fruit expansion period, spray strong fruit tingling, increase the fruit pedicle, increase nutrient transport, prevent falling flowers, improve pollination ability, improve fruit set rate, Speed ​​up the expansion to ensure high quality and high yield of fruit. The size of the fruit in the tree makes the tree unbalanced, affecting both the balanced income and the health of the orchard. In the annual flower bud differentiation period, the flower buds can be promoted once, which can promote flower bud differentiation, and the summer shoots are mad, which can increase flowering and increase pollination ability and fruit set rate.
4, the main pests of walnuts are: walnut silkworm moth, walnut limb moth, walnut fruit weevil. The main diseases of walnuts are: walnut black spot and walnut blight. Control measures sprayed with targeted drugs to kill. At the same time, the tree body should be sprayed with a general manager to protect the garden from spraying a new high-fat film insulation to ensure safe wintering.
Single Lever Bath-Shower Mixer
1. Bathtub faucet: It is installed above the side of the bathtub and is used to open hot and cold mixed water. Those that can connect two hot and cold pipes are called duplex; The structure of opening and closing water flow includes spiral lifting type, metal ball valve type, ceramic valve core type, etc. At present, there are more ceramic valve spool single-handle bathtub faucets on the market. It uses a single handle to adjust the water temperature and is easy to use: the ceramic spool makes the faucet more durable and watertight. The valve body of the bathtub faucet is mostly made of brass, and the appearance is chrome plating, gold plating and various metal paint.
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