Corrosion-resistant and beneficiating non-point source pollution control method for spring corn slope cropland
A non-point source pollution and control method technology, which is applied in the field of farmland non-point source pollution control, can solve problems such as water, soil, and fertilizer loss, aggravated farmland non-point source pollution, and poor soil corrosion resistance, so as to reduce surface runoff and improve soil quality. Effects of erosion resistance and soil fertility improvement
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Embodiment 1
[0041] A piece of sloping farmland in XX Village, XX Town, XX County, XX Province, XX Province. The variety is Chengdan 30. The organic fertilizer is Lv’an brand commercial organic fertilizer. The slope of the sloping farmland is 4-6°. The management methods of anti-corrosion, synergistic efficiency and moisture conservation are as follows:
[0042] Step 1: Transplanting in narrow rows and film-covered at the same height. According to the 200cm open box, the average distance between the corn planting belts reserved for winter wheat is 100cm, and the row spacing of the corn planting belts is 50cm. One ditch is opened on the left and right sides of the reserved corn planting belt to form a W-shaped double-groove tile-backed bed, covered with soil Cover the film, punch holes in the tank with a plant spacing of 25cm and transplant corn seedlings, plant in staggered nests, and cover the nests with fine soil after planting. For details on the transplanted corn map, see figure 1 . ...
Embodiment 2
[0047] XX Town, XX County, XX Province, XX Provincial Academy of Agricultural Sciences runoff test field, the slope farmland slope is 10°, the variety is Chengdan 30, the soil is purple soil, and the planting mode is wheat / spring corn. The experiment has 3 treatments, namely :
[0048] Treatment (1): Slope farming + clear tillage + farmers' customary fertilization as a control, ordinary compound fertilizer pure nitrogen 5.0kg / mu, P 2 o 5 2.25kg / mu, k 2 O2.75kg / mu. The corn is transplanted along the slope, and after the winter wheat is harvested, it is laid out between the rows of the corn planting belt, and the weeds are frequently cultivated;
[0049] Treatment (2): Straw mulching + customary fertilization by farmers. Ordinary compound fertilizer pure nitrogen 5.0kg / mu, P 2 o 5 2.25kg / mu, k 2 O2.75kg / mu. Mulch with straw in the corn planting belt, fallow the winter wheat between the planting belts after harvest, and often intertill and weeding;
[0050] Treatment (3)...
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