The appropriate density of cotton is based on:
1. Constrained by the effective growth period of cotton in the Yellow River Basin, it is appropriate to use 18-20 effective bells per plant, which can reduce the burden of ringing per plant and is easier to achieve; it can reach an effective bell of 50,000-5.5 million mu, according to the average The weight of the bell is calculated from 5 to 5.5 grams; it is easy to realize 275-300 kilograms of cotton per mu. This not only exerts the individual fertility advantage of the cotton plant, but also exerts the fertility advantage of the cotton field group, which is the better coordination result of the two.
2, in the high-yield structure, should focus on the number of acres and single bells and heavy weight, do not pursue excessive number of acres, so as not to reduce the quality and uniformity of cotton bolls, is conducive to avoiding risks; Guoxin cotton and many other popular varieties are improving There is a great potential in the weight of the bell. If the measures are in place, the weight of the peach in the early autumn does not decrease. According to the statistics of Guoxin Farm for three years:
The number of harvested plants per mu is 2,868, the number of effective bells per plant is 17.85, the number of effective bells is 51,194, the weight of single boll is 5.92 g, and the yield per mu is 296.5 kg. According to the measured output, the average yield per mu is 303 kg, which is very close to the actual production, indicating that the above survey data is more accurate and credible.
In the Qinghe farm with high soil fertility, the average single boll weighs 6.2 grams, 35 single bells, and single-grain cotton weighs 0.177 grams. The medium-strength Jinghai base has a single boll weight of 5.51 grams, 32 single bells and 0.172 grams of single grain weight.
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Greenhouse Drip Irrigation System
Fertigation is using your irrigator to fertilise the plants and soils as you water, which is the most efficient and advanced practice of fertilization. Aid of pressure system (or natural divide terrain), the soluble solid or liquid fertilizer, according to the soil nutrient content and crop fertilizer regularity and characteristics of species, with the fat of with irrigation water, through a controlled water supply pipeline system, supplying, the compatibility, water through the pipe and drop head form drip irrigation, uniform, regular, quantitative, infiltration area crop root growth and development, make the main root soil always stay loose and appropriate moisture content, at the same time according to different crop fertilizer characteristics, environment and soil nutrient content in soil; Crops in different growth phase water requirement, the different development stages of the fertilizer rule is the demand of design, the water and nutrient timing quantitative, provided directly in proportion to the crops.
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