Winter multiple-cropping crop-rotation planting mode of double-cropping rice field
A technology for crop rotation and winter crops, applied in plant cultivation, leaf crop cultivation, root crop cultivation and other directions, can solve the problems of low economic benefit and soil quality decline, improve economic benefit, increase yield, and ensure long-term soil stable effect
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Embodiment 1
[0026] A double-cropping paddy field winter multiple crop rotation planting pattern, comprising the following steps:
[0027] Step 1: planting winter crops, winter crops include potatoes, milk vetch and rapeseed, potatoes are planted in the first year, milk vetch is planted in the second year, rapeseed is planted in the third year, and then cycle in turn;
[0028] Potatoes were sown on November 25th, and the amount of potatoes used was 2000kg / hm 2 , the distance between plants and rows is 40cm×30cm, and the dried rapeseed cake is 900kg / hm 2 , apply 45% three-element compound fertilizer 750kg / hm 2 , harvested on April 25 of the following year;
[0029] The milk vetch was sown on September 30. The milk vetch was sown by sowing, and the seeding rate was 45kg / hm 2 , apply calcium magnesium phosphate fertilizer 375kg / hm 2 , plowed and returned to the field on March 25 of the following year;
[0030] Rapeseed seedlings were raised on September 30, and the seeding rate of rapese...
Embodiment 2
[0040] A double-cropping paddy field winter multiple crop rotation planting pattern, comprising the following steps:
[0041] Step 1: planting winter crops, winter crops include potatoes, milk vetch and rape, plant potatoes in the first year, plant milk vetch in the second year, plant rape in the third year, and then cycle in turn;
[0042] Potatoes were sown on November 20, and the amount of potatoes used was 1800kg / hm 2 , the spacing between plants and rows is 40cm×30cm, and 800kg / hm of dried rapeseed cake is applied 2 , apply 45% three-element compound fertilizer 700kg / hm 2 , harvested on April 20 of the following year;
[0043] The milk vetch was sown on September 25. The milk vetch was sown by sowing, and the seeding rate was 40kg / hm 2 , apply calcium magnesium phosphate fertilizer 370kg / hm 2 , plowed and returned to the field on March 20 of the following year;
[0044] Rapeseed seedlings were raised on September 25, and the sowing rate of rapeseed was 20kg / hm 2 , a...
Embodiment 3
[0048] A double-cropping paddy field winter multiple crop rotation planting pattern, comprising the following steps:
[0049] Step 1: planting winter crops, winter crops include potatoes, milk vetch and rape, plant potatoes in the first year, plant milk vetch in the second year, plant rape in the third year, and then cycle in turn;
[0050] Potatoes were sown on November 30, and the amount of potatoes used was 2100kg / hm 2 , the distance between plants and rows is 40cm×30cm, and rapeseed dry cake is applied at 1000kg / hm 2 , apply 45% three-element compound fertilizer 800kg / hm 2 , harvested on April 30 of the following year;
[0051] The milk vetch was sown on October 5th, and the milk vetch was sown with a seeding rate of 50kg / hm 2 , apply calcium magnesium phosphate fertilizer 380kg / hm 2 , plowed and returned to the field on March 30 of the following year;
[0052] Rape seedlings were raised on October 5, and the seeding rate of rape was 25kg / hm 2 , apply urea 160kg / hm ...
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