Rapeseed Qiaofei seed yield high yield
2021-08-05 18:18:13
In order to obtain high quality and high yield for rapeseed cultivation, except for the timely sowing of seedlings, weeding, and lowering of the normal management of the seedlings, the skillful fertilizer application is the key to high yield.
1, apply base fertilizer. Basal fertilization is the basis for the high yield of rapeseed, accounting for about 60% of the total lifetime. To achieve a production index of about 250 kg/mu, for medium-fertility plots, generally 2000-3000 kg of high-quality organic fertilizer, 50-60 kg of cake fertilizer, 8-10 kg of chemically modified nitrogen, and phosphorus 5- 6 kg, 3-5 kg ​​of potassium, 0.5-1 kg of borax.
2, early application Miao Fei. Appropriate early application of seedling fertilizer, should account for 10-15% of the total application amount, the actual amount of the actual use of mu urine 10 urea 5-7 kg, or ammonium bicarbonate 10-15 kg. Fertilizer application must be based on weather and soil moisture conditions. When soil moisture is high, it can be directly applied. It is best to apply fertilizer to clean water.
3, stable application of wax fertilizer. The wax fertilizer is mainly warmed and warmed by slow-release fertilizers. Generally, 3000-4000 kg of soil-based miscellaneous fertilizer, 20 kg of compound fertilizer, and 300-500 kg of straw are used. Before the fertilization, the crops shall be ploughed and weeded, and then the straw shall be covered, and then the roots shall be rooted in the trenches.
4, re-application of moss. Fertilizer is a fertilizer with higher fertilization efficiency in rapeseed life, usually about 30% of the total fertilization, at the same time to do: see the seedlings fertilization, the large-acre off the Yellow River as early as possible, the soil is not enough stamina Plant; Second, to use nitrogen and potassium fertilizers, for the autumn and winter strong seedlings field block, at the end of February at the end of January: general urea 15-20 kg, potassium chloride 5-6 kg; three is a serious shortage Fertilizer blocks, moss fertilizer applied in two times is appropriate, than the one-time coating fertilizer application period should be 5-7 days ahead, the second time interval 10-15 days, the amount of slightly more.
5, Qiao Shi Hua Fei. Leaching fertilizer can make up for the lack of fertility in the middle and late period to prevent off force. Should be based on seedling conditions, fertility, etc., for the long spring and lack of fertility fields, the general application of urea 4-7 kg, or ammonium sulfate 8-10 kg, while weak groups, individuals should apply early; The fields that grow well and are strong enough are not to be applied again.
6, will apply boron fertilizer. Brassica napus is a boron-tolerant crop, hybrid rape is more sensitive to boron, boron fertilizer is generally more economical and efficient with basal fertilizer and sprayer, base fertilizer is mixed with 0.5 kg of base fertilizer, and sprayed leaves are selected at the bud stage. At the beginning of the flowering period, 150 grams of borax was used per mu, and 50-75 kg of water was sprayed twice.
7, make-up leaf fertilizer. After the flowering of rapeseed, the root activity decreased, and the application of leaf fertilizer is an effective method to prolong the lifespan of leaves and stems, increase the grain weight and increase the yield. In general, 150 grams of potassium dihydrogen phosphate, 0.5 kg of urea, and 50-60 kilograms of water are used per mu, and sprayed 2-3 times, and pest control pesticides can also be combined.
1, apply base fertilizer. Basal fertilization is the basis for the high yield of rapeseed, accounting for about 60% of the total lifetime. To achieve a production index of about 250 kg/mu, for medium-fertility plots, generally 2000-3000 kg of high-quality organic fertilizer, 50-60 kg of cake fertilizer, 8-10 kg of chemically modified nitrogen, and phosphorus 5- 6 kg, 3-5 kg ​​of potassium, 0.5-1 kg of borax.
2, early application Miao Fei. Appropriate early application of seedling fertilizer, should account for 10-15% of the total application amount, the actual amount of the actual use of mu urine 10 urea 5-7 kg, or ammonium bicarbonate 10-15 kg. Fertilizer application must be based on weather and soil moisture conditions. When soil moisture is high, it can be directly applied. It is best to apply fertilizer to clean water.
3, stable application of wax fertilizer. The wax fertilizer is mainly warmed and warmed by slow-release fertilizers. Generally, 3000-4000 kg of soil-based miscellaneous fertilizer, 20 kg of compound fertilizer, and 300-500 kg of straw are used. Before the fertilization, the crops shall be ploughed and weeded, and then the straw shall be covered, and then the roots shall be rooted in the trenches.
4, re-application of moss. Fertilizer is a fertilizer with higher fertilization efficiency in rapeseed life, usually about 30% of the total fertilization, at the same time to do: see the seedlings fertilization, the large-acre off the Yellow River as early as possible, the soil is not enough stamina Plant; Second, to use nitrogen and potassium fertilizers, for the autumn and winter strong seedlings field block, at the end of February at the end of January: general urea 15-20 kg, potassium chloride 5-6 kg; three is a serious shortage Fertilizer blocks, moss fertilizer applied in two times is appropriate, than the one-time coating fertilizer application period should be 5-7 days ahead, the second time interval 10-15 days, the amount of slightly more.
5, Qiao Shi Hua Fei. Leaching fertilizer can make up for the lack of fertility in the middle and late period to prevent off force. Should be based on seedling conditions, fertility, etc., for the long spring and lack of fertility fields, the general application of urea 4-7 kg, or ammonium sulfate 8-10 kg, while weak groups, individuals should apply early; The fields that grow well and are strong enough are not to be applied again.
6, will apply boron fertilizer. Brassica napus is a boron-tolerant crop, hybrid rape is more sensitive to boron, boron fertilizer is generally more economical and efficient with basal fertilizer and sprayer, base fertilizer is mixed with 0.5 kg of base fertilizer, and sprayed leaves are selected at the bud stage. At the beginning of the flowering period, 150 grams of borax was used per mu, and 50-75 kg of water was sprayed twice.
7, make-up leaf fertilizer. After the flowering of rapeseed, the root activity decreased, and the application of leaf fertilizer is an effective method to prolong the lifespan of leaves and stems, increase the grain weight and increase the yield. In general, 150 grams of potassium dihydrogen phosphate, 0.5 kg of urea, and 50-60 kilograms of water are used per mu, and sprayed 2-3 times, and pest control pesticides can also be combined.
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