条件筛选
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The three principles of "looking" to follow when topdressing wheat after green-up
Topdressing wheat after green-up should follow the "three looks"
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What are the three key principles for greenhouse tomato cultivation?
Follow the "three key principles" for greenhouse tomato cultivation
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What principles should be followed in choosing a site for a beef cattle fattening farm?
Principles for choosing a site for a beef cattle fattening farm
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Basic principles to follow in formulating domestic rabbit diets
Principles of formulating domestic rabbit diets
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What are the key points of the principles for applying base fertilizer to wheat?
Principles for applying base fertilizer to wheat
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What principles should be followed when supplementing fat to dairy cows?
Principles of fat supplementation for dairy cows
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What are the basic principles for selective mating of cashmere goats?
Principles for selective mating of cashmere goats
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What are the basic principles of formulating daily rations for goslings?
Basic principles of formulating daily rations for goslings
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What technical principles should be followed for soil testing and fertilizer application in celery?
Technical principles for soil testing and fertilizer application in celery
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The five "fixed" principles for artificial nursing of lambs
Artificial nursing of lambs requires the "five fixes"