Potato no-tillage cultivation is a new method for potato cultivation. It eliminates the three processes of plowing, soil preparation and digging in traditional cultivation. It saves time and labor, is highly productive, and is well received by farmers. Now potato no-tillage pollution-free cultivation techniques are introduced as follows:
The no-tillage and no-pollution cultivation of potato in the selected area should be performed in a neutral or slightly acidic paddy field with good ecological conditions, away from pollution sources, deep plowed layer, loose soil, good irrigation and drainage conditions, and organic-rich neutral or slightly acidic. Rice paddies should be 15 to 20 cm long when rice is harvested. No-tillage and no-tillage cultivation of potato can be implemented in paddy-upland rotation, which can reduce and avoid diseases and insect pests, regulate soil physical and chemical properties and balance nutrients, which can effectively promote tuber growth and improve resistance.
The entire paddy field is no-tillage and the high-yielding trench is excavated. The ditch is 15 to 20 centimeters wide, 15 centimeters deep and 160 centimeters wide. The excavated soil should not be piled on the ditch. It should be thrown evenly in the middle of the eaves so that the eaves can be slightly arched to avoid water accumulation. At the same time, a good gutter should be opened so that the ditch will be open and there will be no accumulation of rain. Normal grasses and rice bran do not affect planting. If large grasses can be toppled or skim, do not use herbicides.
Sowing potato no-tillage pollution-free cultivation of spring and autumn sowing in two ways. Spring sowing should choose early maturation, high yield, good commercial quality, wide adaptability, strong disease resistance varieties, and use of virus-free seed potato to increase yield is more obvious. Spring sowing is generally planted in early February and harvested in early May. Autumn sowing should use spring harvested early-maturing varieties of good potato chips as seed potatoes, generally sowing in late August, harvested in mid-to-late November.
Fertilization can be based on paddy field fertility and yield requirements once full base fertilizer, not top-dressing.
After covering the rice straw, cover it evenly with straw on the surface of the bowl, and tap it gently. The thickness is generally 8 to 10 cm. Straw cover thickness is less than 8 cm, and it is very likely to produce green potatoes, affecting the commercial nature; covering too thick (more than 15 cm) is not conducive to emergence, but also affect the yield.
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