High-stalk crop straw in-situ utilization and in-situ field returning soil fertilizing method
A crop straw and stalk technology, which is applied in the field of high-stalk crop straw in-situ utilization and in-situ return, can solve the problems of high lignin content, affecting agricultural operations, and low moisture content of straw, so as to promote soil fertilization, Improve the content of soil organic matter and accelerate the effect of decomposing and decomposing
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Embodiment 1
[0021] This embodiment provides a method for in-situ return of high-stalk crop straws to the field for soil fertilization, which specifically includes the following steps:
[0022] Step 1: Level the field, ditch and ridge, and plant high-stalk crops on the ridge;
[0023] Step 2: The high-stalk crops enter the mature stage, the lower withered and aged leaves are removed, and leguminous crops are interplanted between the two crops;
[0024] Step 3: when the crops with high stalks on the ridge are harvested, keep the stalks in situ;
[0025] Step 4: After harvesting the pods of leguminous crops on the ridge, uproot the remaining tall stalks and return them to the field together with the vines and leaves of leguminous crops;
[0026] Step 5: The soil on the ridge is transferred to the furrow, and the tall stems and vine leaves of leguminous crops that are mixed and returned to the field are covered.
[0027] In the above method, in step 1, the ridging specification and planting...
Embodiment 2
[0033] This embodiment provides a method for in-situ returning soil of high-stalk crop straw to the field for fertilization, including the following steps:
[0034] (1) Planting high-stalk crops is flue-cured tobacco, the plant height of the tobacco plant is 130-150cm, and the cultivation method is ridge planting and pond planting; A flue-cured tobacco transplanting pond with a mouth diameter of 10cm and a depth of 20cm.
[0035] (2) 80-90 days after the flue-cured tobacco is transplanted, the growth of the flue-cured tobacco enters the mature stage, and the flue-cured tobacco leaves are harvested from the bottom up. After the lower tobacco leaves are harvested, sweet snap peas are interplanted between the two tobacco plants. The spacing is 8-10cm, the sowing rate is 3-4 grains / hole, and the seed is covered with soil after watering thoroughly, with a thickness of 2-3cm.
[0036] (3) After the flue-cured tobacco leaves are harvested and roasted, the stems of the tobacco plants...
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