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- W2351434253 abstract "In order to provide references for adjustments of agricultural structures and crop arrangements,which aim to improve farmers' income within a commodity economy,optimal combinations of crop rotation are needed for agricultural development in Guanzhong plain.According to field test data,the economic value,land equivalent ratio(LRE),biological yield,economic coefficient and the effects of rotation on soil nutrients were analyzed in different rotation systems.The crops tested included food crops of wheat(Triticum aestivum) and corn(Zea mays),and vegetables of garlic(Allium sativum),pepper(Capsicum),eggplant(Solanum melongena) and celery(Apium graveolens),which are commonly found in the plain.The results show that the terms of economic benefits and land production efficiency,the rotation system of wheat-maize was the worst one while the vegetables—vegetable rotation systems of garlic—pepper,garlic—eggplant,garlic—celery were the superior ones.From the ecological point of view focusing on biological yield and net organic yield,the value of wheat—maize was lower than the values of the vegetable—vegetable systems of garlic—pepper,garlic—eggplant,and garlic—celery,and was higher than the values of the crop—vegetable systems of wheat—pepper,wheat—eggplant,and wheat—celery.In the terms of effects on soil available nutrients and soil respiration rates,the crop—vegetable systems were better than the vegetable—vegetable rotation systems and the traditional crop rotation systems.Considering the values,geographic conditions and economic environments,the crop—vegetable rotation systems were suitable for the plain.As for the trials of this study,the rotation modes of wheat—pepper and wheat—eggplant were promising with a comprehensive consideration." @default.
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- W2351434253 date "2011-01-01" @default.
- W2351434253 modified "2023-09-27" @default.
- W2351434253 title "Production Efficiency and Soil Nutrient Characteristics in Food-Vegetable Rotation Systems" @default.
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