Convention planting film mulching planting method for increasing yield of peanuts in saline and alkaline land
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A technology for peanut planting and production, applied in the fields of soil preparation method, botanical equipment and method, fertilization method, etc., to achieve the effects of easy method, optimization of agricultural planting structure, and improvement of economic and social benefits
Active Publication Date: 2014-06-25
SHANDONG PEANUT RES INST
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Problems solved by technology
However, there is no reasonable planting method that can significantly increase the yield of peanuts in saline-alkali land
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Embodiment 1
[0023] 1 Materials and methods
[0024] 1.1 Test varieties
[0025] Select the salt-alkali tolerant peanut varieties Huayu No. 22, Huayu No. 25 and Huayu No. 36.
[0026] 1.2 Method
[0027] A field experiment was set up, the soil salt content in the 0-20cm soil layer was 0.308%, and the soil salt content in the 20-40cm soil layer was 0.263%. Two treatments were set for flat sowing without mulching and flat cropping for mulching, repeated 3 times, and arranged randomly.
[0028] Laminating flat:
[0029] (1) Soil preparation and salt pressing in spring
[0030] Before peanut planting, land leveling, furrow repairs, fresh water irrigation and salt pressing, irrigation volume 145m 3 per mu, keep the 1.5cm water layer on the surface for 1.5 days, and the soil water content reaches the saturated water content, so that the soil salt in the plow layer will leaching and infiltrating into the deep soil with water to achieve the purpose of desalination.
[0031] (2) Fertilization:...
Embodiment 2
[0052] 1 method
[0053] A field experiment was set up, the soil salt content in the 0-20cm soil layer was 0.308%, and the soil salt content in the 20-40cm soil layer was 0.263%. There were 4 treatments, all of which were planted with flat cropping and film mulching. The details are as follows:
[0054] Handling one:
[0055] (1) Soil preparation and salt pressing in spring
[0056] Before peanut planting, carry out land leveling, repair ridges and ditches, carry out fresh water irrigation and salt pressing, and the irrigation volume is 140m 3 per mu, keep the surface of the ground with a 2cm water layer for 1 day, and the soil water content reach the saturated water content, so that the soil salinity in the plow layer can be leached and infiltrated into the deep soil with the water to achieve the purpose of salt desalination.
[0057] (2) Fertilization: After watering and pressing salt, till the water evaporates until the soil moisture content reaches 80% soil moisture, plo...
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Abstract
The invention relates to a convention planting film mulching planting method for increasing the yield of peanuts in the saline and alkaline land. The convention planting film mulching planting method includes the steps that firstly, land preparation and salt restraining are conducted, namely land formation, furrow trimming and fresh water irrigation are conducted before the peanuts are planted, and a 1-2 cm water layer is kept on the earth surface for 1-2 days, wherein the irrigation amount ranges from 140 cubic meters per mu to 150 cubic meters per mu; secondly, fertilizer application is conducted, namely after irrigation and salt restraining, when the soil moisture content ranges from 60% to 80% through moisture evaporation, ploughing and fertilizer application are conducted; thirdly, the peanuts are sown, namely the peanuts are sown in a convention sowing mode, line spacing is kept from 50 cm to 55 cm, hill spacing is kept from 16 cm to 18 cm, the peanuts are sown when the earth temperature of the 0-10 cm soil layer ranges from 13 DEG C to 17 DEG C, and the planting density is kept from 13,500 hills per mu to 16,200 hills per mu; fourthly, film mulching is conducted, namely films are mulched on the ridges and covered with soil in time. According to the planting method, the soil salt content of the 0-20 cm surface layer is obviously reduced after the peanuts grow into the fruiting period, and eventually the yield of the peanuts in moderate and slight saline and alkaline land is greatly increased.
Description
【Technical field】 [0001] The invention relates to the technical field of peanut planting and cultivation, in particular to a flat-planting and film-covering planting method for increasing the yield of peanuts in saline-alkali land. 【Background technique】 [0002] The area of saline-alkali soil in my country is about 1.0×10 7 hm 2 , accounting for 2.1% of the total land area and 6.2% of the arable land area, about 80% of which have not yet been utilized. Soil salinization seriously restricts the sustainable development of food production and agriculture. [0003] Peanut is an important oil crop and economic crop. Peanut oil is one of the main sources of vegetable oil. Peanut plays an important role in China's agricultural development and export earnings. According to previous statistics and research, my country's peanut area is about 80 million mu, 80% of which are distributed on dry and thin land, and almost no peanuts are planted on saline-alkali land. The main reasons...
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