How much does a new imported straw-returning machine cost? Latest price details

Straw returning is a yield-increasing measure for building up soil fertility that is widely valued around the world today. While eliminating the air pollution caused by burning straw, it also has the effect of increasing fertility and yield. But if the method is not appropriate, various problems may arise, the first being that it hinders the emergence of the main crop wheat and the uniformity and vigor of the seedlings; if the farmland soil moisture conservation measures cannot keep up, it will also accelerate the loss of “green water” in the plow layer, which is further unfavorable for achieving high yields of winter wheat. It can be said that the problems of uneven emergence and yellow seedlings in wheat fields with straw returning are caused by non-standard straw returning operations, which in turn lead to poor wheat sowing quality.

Therefore, in recent years China has begun to introduce new imported straw-returning machines, greatly improving the quality and efficiency of straw returning. Mechanized straw returning includes many forms such as chopped straw returning, stubble crushing and returning, whole-stalk plowing and burying, and whole-stalk bundling and pressing for returning. It has the advantages of being convenient, fast, low-cost, and able to build up soil fertility over large areas, and is a relatively mature technology.

The main feature of mechanized straw returning is the use of machinery to crush and bury the harvested crop straw, or to bury whole stalks, or to bundle and press whole stalks back into the field. It can complete multiple operations at once. Compared with manual work, work efficiency is increased by 40 to 120 times. It not only saves the farming season, but also reduces environmental pollution, enhances soil fertility, and increases grain yield, with very good social and economic benefits.

Its core technology is to use various straw-returning machines to return straw directly into the field, so that the straw decomposes in the soil into organic fertilizer, thereby improving the soil's aggregate structure and its physical and chemical properties such as water retention, water absorption, adhesion, air permeability, and heat preservation, increasing soil fertility and organic matter content, and directly turning large amounts of discarded straw from waste into treasure.

Its technical system includes wheat straw returning: mechanical wheat harvesting, mechanical straw crushing, no-till seeding machinery for sowing corn, or applying additional nitrogen and phosphorus fertilizer followed by deep plowing and burying with a high-column plow, and after land preparation sowing other crops or flooding the field and then transplanting rice. The suitable promotion range is the northern wheat production areas and the southern wheat-rice production areas.

For corn straw returning, after manual harvesting of corn ears, mechanically crush the corn straw, or use mechanical combine harvesting while crushing the straw, apply additional nitrogen and phosphorus fertilizer, then deep plow and bury, and after land preparation sow wheat. This technology is suitable for corn production areas in both the north and south. After manual harvesting of corn ears, the technology of directly plowing and burying whole corn stalks with a high-column plow is suitable for single-season corn production areas in northern dryland farming regions.

For corn stubble returning, after corn harvest, the corn straw is used for processing feed or as household fuel. Use a stubble crusher to break and crush the corn stubble standing on the ridges, then evenly mix it into the 10 cm plow layer. This technology is suitable for use in years without plowing in the ridge-cultivation areas of Northeast China that practice rotational tillage.

For rice straw returning, mechanically harvest rice, mechanically crush the straw and scatter it in the field, flood the field, apply additional nitrogen fertilizer, then use paddy field stubble-burying and land-preparation machines such as reverse rotary stubble-killing machines, paddy field rotary grass-burying machines, or paddy field driven harrows to carry out grass-burying and land preparation. This technology is suitable for double-cropping or multi-cropping rice production areas.

So how much does this new imported mechanical straw-returning machine cost per unit, and what is the specific price? According to relevant agricultural data, the starting order price for a medium-sized straw chopping and returning machine is 5500 yuan, the starting order price for small corn, rice straw, and wheat straw returning machines is 3650 yuan, and the starting order price for cotton straw returning machines is generally 2500 yuan.