Robinia
Latin scientific name: RobiniaL.
English name: Locust
Brief introduction:
Deciduous trees or shrubs. The petiole buds. Leaves odd-pinnately compound; leaflets opposite; stipules spiny; stipules with small stipules. Racemes pendulous; calyx 5-toothed, slightly 2-lipped; upper petal suborbicular, retrorse, winged, keel curved; stamens dichotomous.
About 20 species, distributed in North America and Mexico. Three species have been introduced into China.
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Clear cutting and regeneration of Robinia pseudoacacia by ditching with big plough
1. To prepare for the work, the big plough is to use a tractor to drive the big plough to plow the furrow in the felled land of Robinia pseudoacacia, which requires a tractor with high horsepower, and the big plough can use the iron plough used in ordinary farmland, but it requires the use of a single plough. Clean up the branches and big stones in the ground first. two。 The selection of ploughing and trenching requires a concentrated connection of the land, with a slope of less than 25 degrees and a soil layer of more than 30 centimeters. 3. According to the technical requirements, the root distribution of Robinia pseudoacacia is shallow, the main root is not obvious, the lateral root is well developed, and the main lateral root is mostly distributed in the soil with a thickness of 20cm to 30cm.
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How to prepare soil and fertilize Robinia pseudoacacia seedlings?
The method of soil preparation and fertilization of Robinia pseudoacacia seedlings is as follows: the seedling land should be deeply ploughed, preferably in autumn and winter, the top of the following spring is fine raked flat, with a depth of 20 to 30 cm, and stone grass roots are picked out when raking. 4000 to 5000 kg of rotten barnyard manure and 10 to 15 kg of ferrous sulfate are applied per mu to control underground pests.
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