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How does the planting density of open-field potatoes affect yield?
Potatoes in Tongren City are mainly grown as an early-maturing vegetable. In order to explore the optimal density for open-field cultivation of virus-free potatoes, the Tongren City Agricultural Technology Station conducted a density trial on open-field cultivation of virus-free potatoes from 2006 to 2007. 1 Materials and Methods 1.1 Overview of the trial site The trial site was selected in the contracted field of Yang Xiuming, Hongdong Group, Mulong Village, Bahuang Town, Tongren City, at an altitude of 260 m. The trial field had sandy loam soil with medium fertility, and the previous crop was Houttuynia cordata (fish mint). 1.2 Trial materials The test variety was first-grade seed potatoes of "virus-free Mira", provided by
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How to plant spring peanuts at a reasonable density? Key technical points on planting density
To achieve high yields of spring peanuts, six technical steps must be mastered: 1. Select excellent varieties. Good seed is the foundation for high yields, so varieties with strong resistance, high yield and high oil content should be used first. In recent years, trials have shown that "three-high" good varieties such as Shanyou 523, Shanyou 71, Yueyou 79, Guihua 21 and Wuyou No. 7. When planting, also...
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Detailed explanation of the high-density cotton cultivation model with five rows per film
Management of cotton during the boll-opening stage focuses on "four skillful practices" (skillfully managing fertilizer and water, skillfully pruning, skillfully picking rotten bolls, and skillfully promoting ripening). 1. Skillfully manage fertilizer and water to promote nutrient translocation. First, foliar topdressing. For cotton fields where leaves lose greenness too early and show fertilizer deficiency and premature aging, spray 50-60 kg per mu of 1%-2% urea solution on the leaves to extend leaf...
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