The cultivar cultivating organic lentils is a kind of dense cultivation of organic lentils, and its listing period is second only to the listing period of the compact cultivation of organic lentils on the scaffolding. The management measures include the same places as the organic lentils used for densification in sheds and different places. Here we introduce mulching techniques for culturing organic lentils:
(1) Reasonable rotation
When organic lentils are planted sporadically, they are rarely heavy. However, after the scale planting, it is inevitable that there is a phenomenon of redoubled. Therefore, under the condition of large-scale planting, the rational rotation of organic lentils is particularly important.
The continuous production of organic lentils not only caused serious diseases and insect pests in the current year, but also caused the production of lentils to be reduced or even unrecognisable. It also caused a large amount of pesticides to be used, which could easily lead to excessive levels of harmful substances in organic lentils, thus seriously threatening the health of consumers. What's more serious is that after the harvest of organic lentils, the number of residues in the field is large, the amount of mu is large, and the harmful substances in organic lentils accumulate, causing a vicious cycle.
Therefore, a rational rotation must be carried out. General soybean crops and non-bean pods rotation for 2 to 3 years, can not only interrupt the disease, but also cut off the pest life history, and then also do a good job soil disinfection. Perennial in the South, after harvesting for 3 years, it is necessary to replant the plots.
(2) Soil treatment with nutrient soil
The cultivation of organic lentils on a large area is generally conducted by direct seeding. Soil treatment prior to sowing should be done well to prevent underground pests.
Transplanting fields: The optimum sowing date for organic lentils in mulching film is in early March. At this time, the temperature in the Yangtze River valley is still low and cannot meet the growing needs of lentil seedlings. Therefore, it is necessary to use seedlings in a greenhouse to grow seedlings. Before sowing, it is necessary to make a good preparation of nutritious soil.
Method for preparing nutritious soil: 6 parts of garden soil, 4 parts of decomposed and unpolluted farmyard fertilizer, soil and fertilizer should be sieved, mixed evenly, and sealed with a membrane to kill the bacteria in the soil, so as to reduce the disease at the seedling stage. Harm.
(3) Formulated fertilizer
Before planting lentils in the field, live or transplanted, the residues of the former rake should be carefully cleaned and burned or buried deeply to reduce the number of pathogenic and disease sources, thereby reducing the amount of pesticides and the number of chemical pesticide contamination.
It is advocated that the above fertilizers should be applied to the furrows in the center of the plant after the specifications have been made. This will reduce the loss of fertilizers, enable the nutrient to supply organic lentils to grow and develop, and increase the fertilizer utilization rate.
(4) Seed sowing
In accordance with the characteristics of varieties such as avoiding the principle of night frost damage, scheduling sowing. Live fields are planted in the middle of March and transplanting fields are planted in early March. The requirements for varieties are: cold-resistance, heat-resistance, high yield, early maturation, strong stress resistance, early and more scarring, good commodity traits, and high quality. At present, Shanghai Whitebaibian, red lentils, early green and other varieties can be used.
Seeds sown in nutrition bowls, fill in nutrient soil before sowing, soak in water, sow 3 to 4 seeds per pot, cover the appropriate amount of soil, and then cover the film to keep warm. The daytime temperature is kept at 15~25°C and kept at 12~ during the night. At 18°C, it is necessary to remove the film after the seedlings are released to prevent the formation of tall seedlings. The seedlings can be transplanted for 15 to 20 days.
Generally for 120 cm wide, planting spacing of 60 cm 35 cm, double row sowing, leaving each seedlings per hole, about 3000 points per acre.
(5) Reasonable fertilizer
As lentils have long scarring period and high yield, they need sufficient nutrients to ensure the normal flowering and poding of lentils and achieve high yield and high efficiency.
In order to realize the pollution-free cultivation of organic lentils, chemical fertilizers should not be used in fertilization, and the application of biological fertilizers should be expanded. Fertilizers should be formulated based on the application of basic fertilizers.
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