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(1) Special formula for seedbed: N: P 2 O 5 : K 2 O=9 : 18 : 27 ; Fertilizer amount is 0, 54 kg / m 2
(2) The special fertilizer for Daejeon is: N : P 2 O 5 : K 2 O=9 : 18 : 27 ; The amount of fertilizer used is: N : P 2 O 5 : K 2 O = 60 kg / ha: 120 kg / Hectare: 180 kg / ha.
(3) Fertilization period and method:
Seedbed: The compound fertilizer is thoroughly mixed with the soil, then sprinkled on the seeding bed, flattened with a wooden board, and sown after about 1 week.
Daejeon: The base fertilizer is 2/3 per hectare, and the topdressing ratio is suitable for 1/3.
2, sugar cane special fertilizer formula
(1) Recommended amount of nitrogen: In the water-deficient areas without irrigation conditions, the application rate of nitrogen fertilizer is 180-200 kg-ha; the amount of nitrogen fertilizer applied in irrigated areas and abundant rainfall is 210-250 kg/ha.
(2) Recommended amount of phosphate fertilizer: For soils with an effective phosphorus content of 3.5 mg/kg or less, the amount of phosphate fertilizer applied is 75 kg. More than hectares; soil effective content 3.5 - 4.0 mg / kg, phosphorus fertilizer application rate 50 - 75 kg / ha; soil available phosphorus content 4.1 mg / kg or more, phosphorus fertilizer can be controlled below 50 kg / ha.
(3) Potassium fertilizer recommended amount: soil available potassium content 12.6 - 15.0 mg? In kilograms, the application rate of potassium fertilizer is 120-160 kg/ha; the effective potassium content of soil is higher than the effective potassium content of 20.1 mg/kg, and the application rate of potassium fertilizer can be controlled at 40-80 kg/ha; the higher potassium-containing soil can be applied without potassium fertilizer.
(4) Application method: the total amount of phosphate fertilizer, half of potassium fertilizer and 1/3 of nitrogen fertilizer should be applied to the depth of 10-15 cm directly under the sugarcane seedling. The fertilizer remaining after the application of the base fertilizer should be used twice for the top dressing. The depth of the top dressing is 9-12 cm. After the top dressing, the soil is covered with the manure.
3, edible sugar cane special fertilizer formula Edible sugar cane requires good taste, generally 30 tons of compost per hectare is appropriate. Its N : P 2 O 5 : K 2 O = 750 kg / ha: 150 kg / ha: 250 - 500 kg / ha. Fertilization period and distribution are as follows: for base fertilizer N: P 2 O 5 : K 2 O : compost = 20% : 25% : 25% : 100%; first top dressing N : P 2 O 5 : K 2 O = 20 % : 25% : 25% ; second top dressing N : P 2 O 5 : K 2 O = 30% : 25% : 25% ; third top dressing N : P 2 O 5 : K 2 O = 30% : 25%: 25%. The top dressing time was 80 days, 130 days and 160 days after planting, and the topdressing was applied with the soil.
The application of medium and trace elements, calcium fertilizer is 600 kg / ha; magnesium fertilizer is 60 kg / ha; zinc fertilizer is 24 kg / ha; sulfur fertilizer is 24 kg / ha; boron fertilizer is 10 kg / ha. The above medium and trace elements are all applied when the base fertilizer is applied.
4, tea tree special fertilizer formula tea tree special fertilizer formula should be based on the age of the tree, in the soil fertility status is at a moderate level (organic matter 2% - 4%; effective phosphorus 0, 5 - 1, 0 mg / kg; effective potassium 10, 0 — 20, 0 mg / kg), 1 - 5 year old seedlings, N : P 2 O 5 : K 2 O = 70 - 320 kg / ha: 30 - 100 kg / ha: 40 - 120 kg / In hectares, as the age of young trees increases, the amount of fertilizer applied increases each year. 6-8 or more wood, N: P 2 O 5 : K 2 O =320 - 400 kg / ha: 100 - 120 kg / ha: 120 - 140 kg / ha, the chemical fertilizer can be used 3 times a year Application, namely spring fertilizer (February), autumn fertilizer (July-August) and winter fertilizer (September-October). In the flat tea garden, the head of the fertilization is about 10 cm deep, and then the compound fertilizer is applied and the soil is covered. The sloping tea garden can be applied or applied, that is, 20-30 cm away from the trunk of the tea tree. Ditching is applied to the ditch and covered with soil.
5, mulberry special fertilizer formula annual mulberry special formula for N: P 2 O 5 : K 2 O = 60: 100 kg / ha: 40 - 80 kg / ha: 80 - 100 kg / ha; two-year-old mulberry special fertilizer N : P 2 O 5 : K 2 O=200 — 240 kg / ha: 80 — 100 kg / ha: 100 — 160 kg / ha; three-year mulberry special fertilizer formula N : P 2 O 5 : K 2 O=300 — 360 kg / hectare: 100 - 160 kg / ha: 160 - 200 kg / ha. Fertilization period and distribution rate (%), apply fertilizer once in early spring, the dosage is 20%; apply fertilizer twice in the late spring from April to May, the dosage is 20%; apply fertilizer 3 times in summer from July to August, the dosage is 40%; 9 - 10 months of application of fertilizer, the amount of 20%. After the winter mulberry is pruned, 4000 kg of compost is used per hectare. After composting or chemical fertilizer is applied in the whole garden, the cultivator is used to shallowly cover the soil.
Special fertilizer formula
1. Tobacco special fertilizer formula
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