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Technical key points for converting young Scots pine (Pinus sylvestris var. mongolica) stands into Korean pine (Pinus koraiensis) nut orchards
In recent years, the establishment of Korean pine dual-purpose nut and timber forests and Korean pine nut orchards has developed rapidly in Heilongjiang and Jilin provinces of China. In some places, developing Korean pine nut orchards has become a path to prosperity, and relatively large-scale Korean pine nut orchards have been established one after another. However, due to deviations in people's understanding, the selection of superior scions for grafting to establish orchards has been neglected, and the scions selected are rarely improved varieties that have undergone identification. Establishing Korean pine nut orchards without such selection cannot guarantee the yield and quality of seeds and nuts, let alone early fruiting, high yield, and stable yield. Practice has proven that using young Scots pine
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What to do about low-yielding mulberry orchards? Find the cause and improve them scientifically
The mulberry orchard has been planted for many years and the yield has never been high. How should it be renovated? Please advise. A low-yielding mulberry orchard can be renovated by the following methods: 1. Thickening and replanting 1. Layering to fill in plants 2. Filling gaps with strong seedlings: in mulberry orchards with wider row and plant spacing, healthy mulberry seedlings can be replanted between plants or rows. 2. Interplanting for renewal...
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