但木醋液对作物产量和品质形成机理方面的研究有待于进一步深入。
However, the mechanism of wood vinegar to the crops output and quality formation needs further research.
通过多点、多品种的田间试验，探讨了德威乐植物营养剂对农作物产量和品质的影响。
Effects of Deweile plant nutrients on yield and quality of the crops were studied by field experiments of many area and many varieties.
叶片是植物进行光合作用的主要器官，作物产量和品质形成的重要源泉，而衰老是影响叶片功能执行的主要因素。
Leaf plays important roles in yield and quality of crops for its important function in photosynthesis. Leaf senescence seriously blocks its function.
农业害虫给农作物产量和品质造成了重大经济损失，利用农作物抗虫特性，选育和种植抗虫品种是防治虫害最经济、有效的措施。
Agricultural pests have caused serious economic damage to production and quality of crops. The use of crops resistant to pests is the most economic and efficient measure in controlling pests.
通过田间试验，研究了膜下滴灌棉花的作物产量、品质和作物缺水指标(CWSI)定量关系。
A field study was conducted to determine the relationships between Crop Water Stress Index (CWSI), yield, and quality of cotton under drip irrigation with mulch.
有机肥的作用最终体现在提高作物产量和改善作物产品品质上。
Effect of organic fertilizer was embodied in adding yield and ameliorating quality.
采用黄土高原低硒区典型土壤，以玉米、大豆为供试作物，研究施用硒锌铁对作物产量和营养品质的影响。
Pot experiments were conducted with maize and soybean as test crops to study the effects of application of Se, Zn, fe on crop yields and nutritional quality.
采用黄土高原低硒区典型土壤，以玉米、大豆为供试作物，研究施用硒锌铁对作物产量和营养品质的影响。
Pot experiments were conducted with maize and soybean as test crops to study the effects of application of Se, Zn, fe on crop yields and nutritional quality.
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