Application of agricultural acreage measuring instrument and application of fertilization technology
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Firstly, the area of ​​acre within a certain range was determined by using the field acre measuring instrument, which was the 8:2 area of ​​the pre-promoting method. The number of panicles per mu was the least, but the total grain number, grain number, and seed setting rate were the highest; In the two regions, the spike and grain traits were in the middle, and the two were coordinated with the highest yield. Although the relay method had the largest number of panicles, the number of grains was less, the rate of seed setting was low, and the yield was middle. Several kinds of fertilization ratios can be obtained in field production, and the specific application will vary depending on the conditions.
At the same time, various nutrient contents changed greatly. However, judging from the Mutian, a representative of the farmland acre measurement instrument, the N, P, and K contents of the middle and late plants are properly proportioned, the C and N metabolism in the plant are coordinated, the photosynthesis is vigorous, and the synthesis of the material is fast, which facilitates the differentiation of spikelets. Development, grain grouting and enrichment, the final large-grain multiple seed set rate.
The total number of grains per panicle is more than no grains, the number of real grain grains is more than 100 grains, and the total grains per acre is more than 21 million grains in order to obtain per kilogram of per kilogram; the area of ​​farmland acre measurement instrument is estimated to be 1200 jin per mu and 1300 jin per mu. The total number of grains should be increased to 25 million and 27 million grains respectively. The total number of grains per mu is constrained by the number of ears per mu and the total number of grains per panicle. The high-yield groups must have a coordinated development.
According to the relevant measurement and calculation analysis of the farmland acre measurement instrument, it can be seen that within a certain range, with the increase of the effective panicles per mu, the total number of grains per mu and the number of solid grains have a tendency to gradually increase; if the number of mules exceeds 220,000, the number of grains per panicle will increase. The number, number of grains, and seed setting rate decreased accordingly, and the number of empty grains increased accordingly; 17-20 million panicles had more total grain and solid grains per panicle, and the seed setting rate was higher. It is safer to achieve an annual output of over a kilogram.