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How to Determine the Harvest Time of Walnuts? A Detailed Guide to Harvesting Methods
Timely harvesting of walnuts is very important. If harvested too early, the green husk is difficult to peel off, the kernel is not plump, the yield decreases, the kernel yield rate is low, the oil yield rate during processing also decreases, and the nuts are not resistant to storage. According to measurements, harvesting 1 day early on average reduces the dry fruit weight by 0.49%, and the kernel weight by
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What Are the Methods for Determining Herbicide Damage in Rice
Currently, most people mix pesticides when using them in order to increase their effectiveness. However, if used improperly, this can easily cause herbicide damage. How to determine whether it is herbicide damage through investigation and analysis? The following methods are introduced: 1. From
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How many fig propagation methods are there? Planting and ripeness-picking determination tips
Humans have a long history of cultivating figs, and it is also one of my favorite fruits. So how do we grow fig trees now? If you are going to grow fruit trees, of course you should grow some that are not seen or uncommon on the market, so figs became one of the entry-level fruit trees on my list.
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There is a knack to processing dried lilies, and the three observations and three determinations are key
In our province, lilies are mainly sold as dried lilies to coastal areas, and in recent years they have consistently sold well. In particular, large, plump, and pure white high-quality dried lilies are in great demand and fetch high prices. Whether dried lilies are high quality or not, processing is a key step. Some farmers report that their fresh lilies are of good quality, but after processing into dried lilies they become second-grade products, or even inferior products, showing non-white color, thin dried slices, and incomplete slices, and the market price is greatly reduced. This is mainly caused by improper processing. In the lily production bases of Daping, Leijia'ao, Shawan, and other places in Niangxi Town, Xinshao County, lilies are planted year-round.
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Introduction to the Content Determination Method for Aminophylline Tablets
Anhydrous theophylline - Take 20 tablets of this product, weigh accurately, grind finely, weigh accurately an appropriate amount (approximately equivalent to 100 mg of aminophylline), place in a 200 ml volumetric flask, add 20 ml of 0.1 mol/L sodium hydroxide solution and 60 ml of water, shake for 10 minutes to dissolve the aminophylline, dilute to volume with water, mix well; filter, accurately measure 5 ml of the subsequent filtrate, place in a 250 ml volumetric flask, dilute to volume with 0.01 mol/L sodium hydroxide solution, mix well, and follow the spectrophotometric method (Appendix page 17)
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Four determinations for high-yield fertilization of spring corn
In recent years, due to the lack of organic fertilizer input and people's demand for increased unit yield, the amount of corn fertilization has increased significantly, and the application area of some high-concentration compound (mixed) fertilizers has also continued to expand, effectively promoting yield increases, but seedling-stage fertilizer damage, nutrient deficiency symptoms, or late-stage fertilizer loss and yield reduction also often occur, and farmers...
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Determination methods for the trace elements iron, zinc, and manganese
Determination of iron, zinc, and manganese
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How do you solve the problems encountered during protein determination?
Protein determination problems
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Method for the determination of formaldehyde in aquatic products: capillary column chromatography
Determination of formaldehyde in aquatic products by capillary column chromatography
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