Take measures to prevent fruit cracking

Zhang Zhicheng, a fruit-breaking expert at the Northwest A&F University, reminded farmers that they should fundamentally prevent cracking jujube from the aspects of activated soil calcium, foliar calcium supplementation, and maintenance of soil moisture.

Reasonably pruning properly remove excess jujube head branches, increase the distance between the layers and the opening angles of the main and lateral branches, improve the ventilation and light transmission conditions in the crown, which is conducive to the rapid drying of the jujube fruit surface after rain, which can reduce the incidence of cracking.

Covering the straw in the fruit tree roots concentrated distribution area covers 10 to 20 cm thick crushed straw, to promote the proliferation of microorganisms in the soil, activate the calcium in the soil, but also can maintain soil moisture, keep the soil moisture constant state.

Covering the mulching film Before the germination in the spring, cover 1–2 m wide mulch in the clockwise direction on both sides of the tree to maintain soil moisture.

Point fertilizer water in the vertical projection of the fruit tree inside, digging diameter 30 to 40 cm, depth 40 to 50 cm 4 holes, buried in each hole upright after the bubble through the straw. At the same time, the spraying of foliar fertilizer once in each period of fruit tree growth can effectively prevent the occurrence of fissures.

Timely irrigation of young fruits after fruiting can not only promote the normal development of fruit, but also prevent fruit cracking due to prolonged drought and rain.

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