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Hybrid rice development is stalled: how can it be saved?
Data show that in recent years the downward trend in hybrid rice varieties has been very pronounced. The number of varieties with an annual promotion area of more than 1 million mu rose from 46 in 2002 to a peak of 59 in 2004, then declined year by year to 29 in 2012; the number of varieties with an annual promotion area of more than 5 million mu fell from about 9 in the early period to 1 per year at present; since 2007, no variety with more than 10 million mu has appeared. The average annual promotion area of a single main hybrid rice variety fell sharply from 2.133 million mu in 1993 to 374,000 mu in 2012, a drop of 82.5%.
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Infertility in female rabbits hinders rabbit farming, a full analysis of symptomatic treatments
Female rabbit infertility hinders rabbit farming, how to treat female rabbit infertility symptomatically
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Eggplant Nutrient Deficiency Hinders Growth: How to Prevent and Control Nutritional Disorders
Nutrient Deficiency Hinders Eggplant Growth: Prevention and Control Measures for Eggplant Nutritional Disorders
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Improper feed hinders beef cattle fattening: key points on green and coarse feed for fattening beef cattle
Wrong feed blocks beef cattle fattening: key points on green and coarse feed for fattening beef cattle
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In winter, green feed is scarce and water storage is hindered, so cattle farmers must guard against cold-induced dehydration
In winter, green feed is scarce, so feed-based water storage is hindered; cattle farmers must guard against cold-induced dehydration in winter
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Chicken lice hinder chicken production, how to eliminate chicken lice in autumn and winter
Chicken lice hinder chicken production, how to eliminate chicken lice in autumn and winter
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Banana freeze damage hinders production; how can safe overwintering be ensured?
Banana freeze damage hinders banana production; how can bananas be ensured safe overwintering?
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Although the clivia likes fertilizer, too much fertilizer will instead hinder its growth
Although the clivia likes fertilizer, too much fertilizer will hinder its growth
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Will insufficient fertilization hinder the growth of Phalaenopsis?
In the care of Phalaenopsis, fertilization is a crucial part. If fertilization is insufficient, the impact on Phalaenopsis cannot be underestimated, and it will seriously hinder its normal growth. From the appearance, the most intuitive sign of insufficient fertilization in Phalaenopsis is poor leaf condition. Under normal circumstances, healthy Phalaenopsis leaves are thick, plump and
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What happens when Phalaenopsis is fertilized too frequently, and will it hinder blooming?
Phalaenopsis is a much-loved orchid variety. When caring for Phalaenopsis, fertilization is a particularly important step, yet it is easily overlooked. To help Phalaenopsis grow vigorously and produce gorgeous flowers, many people choose to fertilize, but if fertilization is too frequent, it instead brings many problems to the plant, and may even
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