Special base fertilizer used for cotton directly seeded after wheat harvest and rape harvest
A technology of basal fertilizer and wheat oil, which is applied in the agricultural field, can solve the problems of fertilizer absorption characteristics and changes in fertilizer operation, application quantity and quality, yield and quality, etc., to achieve broad market application prospects, reduce fertilizer input, and increase budding intensity Effect
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Embodiment 1
[0025] A special base fertilizer for direct-seeding cotton after wheat oil, including bean cake, humic acid, lactic acid bacteria and nitrogen, phosphorus and potassium fertilizers, in parts by weight, 70-75 parts of bean cake, 0.35-0.37 part of humic acid, and 0.35-0.37 part of lactic acid bacteria , 8.5-9.0 parts of ammonium sulfate, 13.5-15.5 parts of superphosphate, and 3.6-4.3 parts of potassium chloride.
[0026] In another embodiment of the present invention, in parts by weight, the base fertilizer includes: 72 parts of soybean cake, 0.36 parts of humic acid, 0.36 parts of lactic acid bacteria, 8.7 parts of ammonium sulfate, 14.4 parts of superphosphate, and 4.2 parts of potassium chloride .
[0027] The preparation method of the base fertilizer is as follows: firstly weigh 72 parts of crushed bean cakes, 8.7 parts of ammonium sulfate, 14.4 parts of superphosphate, and 4.2 parts of potassium chloride at room temperature and fully mix them with a stirrer, and then weigh ...
Embodiment 2
[0032] The field test was carried out in 2017. On May 27, the barley was directly seeded and the cotton was plowed and applied with special base fertilizer. It was sown on June 1 and measured on June 25. The plant height of the cotton seedlings was 20.5cm when the special fertilizer was applied, and the length of the first true leaf was 3.2cm and 3.5cm wide; the second true leaf is 3.8cm long and 3.3cm wide, the white roots of cotton seedlings account for 83.6% of the total root mass, and the root active surface area accounts for 60.1%; the height of seedlings without basal fertilizer (contrast) is 15.6 cm, the length of the first true leaf is 2.8cm, and the width is 2.7cm; the length of the second true leaf is 2.5cm, and the width is 2.2cm. The white root point of cotton seedlings accounts for 71.5% of the total root mass, and the root active surface area accounts for 51.3%. And only use nitrogen, phosphorus and potassium as conventional fertilization, the cotton plant height...
Embodiment 3
[0037] The test in 2017 showed that the application of special basal fertilizers early budding and low fruit branches, which is conducive to promoting early cotton. The budding date of the first bud was July 6, and the first node position of the fruiting branch was 5.1; while the first budding date was July 9th, and the first node position of the fruiting branch was 5.6. The budding date of applying conventional base fertilizer is July 7, and the initial node position of the fruit branch is 5.8. The results are as follows: figure 1 shown. The results show that the special base fertilizer for direct-seeding cotton after applying the wheat oil of the present invention can lead to early budding of cotton seedlings and rapid growth process.
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