Corn. Agronomy
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Agronomy. Corn yields in the US. Corn Hybrids. (26:29)
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Agronomy. Components of corn yield. Corn Hybrids. (19:57)
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Agronomy. Density of plants. (15:01)
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Plant density. FAO. Soil moisture. Row width. (22:26)
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Аgronomy. Products and methods of tillage. (23:07)
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Agronomy. Strip-till, no-till, conventional till. Products and methods. Ascend growth regulator. (17:47)
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Agronomy. South Dakota Agriculture. Precipitation. Temperature. Maize hybrids. Date of sowing. Row spacing and planting density. Depth of sowing. Soil temperature. No-till, conventional till. (12:10)
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Agronomy. Water conservation. Stages of development of corn. Soil health. Tillage. No-till vs traditional tillage. (13:32)
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Agronomy. No-till, soil moisture, soil temperature. (16:36)
Corn. Nutrition
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Nutrition. Factors determining yield. Plant growth and development. Nutrient management. Nitrogen. Annual precipitation and no-till. Difficulties in sowing. (19:07)
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Nutrition. Anhydrous ammonia. Analysis of plant tissues. Remote / proximal sounding. (13:20)
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Nutrition. Selection of soil by grid and pH map. Field inhomogeneity. (15:49)
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Recommendations for the application of fertilizers for corn in Ukraine (answers to questions). Nitrogen. Differential introduction. Field inhomogeneity. (18:40)
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Nutrition. Nitrogen in season. Nitrogen in the soil during the growing season of corn. Nitrogen uptake by corn. Methods of application and sources of fertilizers in season. (35:52)
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Nutrition. Potassium. Potassium deficiency. Phosphorus at strip-till. Nitrogen. (17:59)
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Nutrition. Sulfur. Starting fertilizers for corn. Zinc. Chloride. Iron. Boron (24:38)
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Nutrition. Starting fertilizers for corn. Boron. "Stratification" of soil pH with prolonged no-till. Changing the pH of the soil when applying surface lime. Nutrient management after droughts. (26:12)
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Nutrition. Nitrogen. Anhydrous ammonia 82-0-0, advantages and disadvantages. (16:22)
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Nutrition. CAS. CAS solutions. Advantages and disadvantages of CAS. (11:55)
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Nutrition. Urea. Hydrolysis of urea and evaporation of nitrogen. Ways to reduce ammonia losses. Urease inhibitors. (19:18)
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Nutrition. Nitrogen recommendations. Nitrogen recommendations for corn after soybeans. (21:49)
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Nutrition. Phosphorus. Potassium. Approach to fertilizer. (17:32)
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Nutrition. Starting fertilizers: selection, application. Starting fertilizers in the furrow. Zinc: deficiency, fertilizers, application rates. (24:05)
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Nutrition. Manganese. Leaf analysis. Potassium. (15:00)
Corn. Disease protection
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Disease protection. Northern helminthosporiosis. Yield losses due to defoliation. Herbicides. Fungicides. Metaanalysis. (16:13)
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Disease protection. Fungicides. Hybrids. Disease management. (13:33)
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Disease protection. Diseases of corn, pathogens. Control measures. (16:16)
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Disease protection. Control of grain diseases. Grain damage. Fusarium wilt. Leaf diseases. Northern / southern helminthosporiosis. (14:17)
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Disease protection. Complex of leaf diseases of corn. Diplodiosis, dry rot. Cercosporosis. Anthracnose. White leaf spot. (15:31)
Corn. Weed protection.
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Weed protection. Integrated weed management. Resistance to herbicides. Factors influencing the speed of selection. Key management practices. (9:51)
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Weed protection. Explanation of the places of action of the main herbicides. Alternation of modes of action. Several effective places of action. (10:20)
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Weed protection. Modeling of reactions from change of herbicides. The main sites of action of herbicides. Protoporphyrinogen oxidase inhibitor. (18:35)
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Weed protection. Basic herbicides before emergence. Activation, duration of action, degradation of the herbicide. (9:08)
Corn. Pest protection.
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Pest protection. Three species of western corn beetle: life cycle, damage to plants. Insecticides against larvae. The effectiveness of the fight. Integrated weed management (crop rotation). (13:04)
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Pest protection. Adult CRW monitoring to predict next year's risks. Wireworms. Technology of insecticide application. (14:14)
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Pest protection. Control of wireworms. Grain beetles, damage crops, methods of control. (9:56)
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Pest protection. Caterpillar morphology. (13:14)
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Pest protection. Aphis. (6:11)
