Walnut peanuts increase production and increase income
The newspaper has reported farmers in the walnut garden intercropping peanuts rich story, a few days ago, a reader calls to inquire about the specific planting techniques of walnut intercropping peanuts, for this reporter interviewed Shandong Academy of Agricultural Sciences peanut researcher Wang Caibin.
Wang Caibin introduced that interplanting is a kind of compensatory planting. During the period of growing from nursery to growing into a tree, walnut seedlings in sparse gardens are sparse. Shading of other crops on the ground is not too severe, and peanuts can be interplanted with gaps. Production efficiency and land utilization. “The reason for choosing peanuts for interplanting is because peanuts are relatively loose-yielding and more shade-tolerant crops. Peanuts, clays and loams can be grown with peanuts, but sand is the most suitable, and the peanut production of such soils grows. High, good quality, easy to sow and harvest.In addition, peanuts on the soil pH requirements are relatively broad, the pH value can be planted from 5.5 to 7.5, but the pH value of 6 to 7 slightly acidic soil is most suitable." Wang Caibin said.
Peanut seed processing method
Shelling seeds before shelling 2 ~ 3 days, 7 ~ 10 days before sowing shelling. Remove pests, buds and rotten fruit at any time when shelling. After husking, the seeds were divided into three grades. The seed kernels are large and full of one grade, and less than one-third of the weight of the first grade is three grades, and the weight is between the first grade and the third grade. When grading, variegated seeds and shaped seeds that are inconsistent with the species used are also excluded. Select one or two seeds for sowing, first sowing one species, and then sowing two species. Machine seeding is best to remove oversized seeds, mainly secondary seed, and the better the seed size, the better.
Planting details should pay attention
In terms of planting methods, the planting density must be reasonably determined according to the characteristics of the varieties, planting systems, soil conditions, etc., according to local conditions. Wang Caibin stressed that spring sowing of large peanuts, ridge distance 85 to 90 cm, ridge width 55 to 60 cm, well drained In the plain area, the ridge height is 10 to 12 centimeters, the height of the ridge is 13 to 15 centimeters, the drought and flood plain is 8 to 10 centimeters, 2 rows per ridge, 35 to 40 centimeters of ridge spacing, 13.5 to 17.5 centimeters from the ridge, and 2 seeds per hole. Seeds, broadcast 13.5 to 18 million holes per hectare. If there are many branches used, or if the growth period is long, the fertilizer and water conditions are good, and the sowing date is early, the density should be appropriately reduced; otherwise, the density should be increased.
Rational fertilization
The application of organic fertilizers, proper control of conventional chemical fertilizers, and the use of controlled-release fertilizers and trace fertilizers are not only effective measures to ensure the sustained and balanced supply of peanut nutrients, but also the basic principles for fertilizing peanuts. According to the abundance of soil nutrients in different regions or plots, calcium fertilizers and trace element fertilizers should also be applied. In addition, do not forget to apply fertilizer before weeding and planting. Use rotary plough plowing for 1 to 2 times to achieve ground level, fine soil, and even fertilizer. At the same time, it is best to use a combination peanut seeder with excellent agronomic performance to complete the processes of ridging, sowing, fertilizing, spraying herbicides, covering the film, and pressing soil on the membrane.
Finally, Wang Caibin reminded that the interplanting needs to be planted in accordance with local conditions, and it must be remembered that it is not possible to intervene with the wind, and it is decided according to factors such as the plant spacing of the walnut trees and the size of the trunk. For heavily shaded plots, interplanting is generally not recommended.
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