The requirement for K supply increases with the increasing of crop yield and quality.
随着农产品产量和品质的不断提高，作物对钾素的需要量也不断增加。
Abstract: Fungal diseases are the main threat to crop yield and quality, often leading to huge economic losses.
摘要：真菌病害严重威胁作物的产量和品质，给国家和人民造成巨大的经济损失。
Can effectively complement crop boron element, increase crop resistance to significantly increase crop yield and quality.
可有效补充作物硼元素，增加作物抗逆性能，显著提高作物产量与品质。
Nitrogen is one of the most important nutrients, known as the life element, it has the close relationship with crop yield and quality.
氮是植物最主要营养元素，被称为生命元素，与作物的产量和品质关系极大。
Effects of different fertilizing modes on soil environment quality and crop yield of kailyard were studied through field experiment.
通过田间试验，研究了不同施肥方式对菜园土壤环境质量及作物产量的影响。
Quality and yield of crop were affected inevitably by agricultural habitat environment that has polluted, resulting in an agricultural economic loss, to bring risk of agricultural production.
农业产地环境受到污染势必影响农作物的质量和产量，造成农业经济损失，给农业生产带来风险。
Biogas slurry and biogas residues are new type of green fertilizers with comprehensive nutrition and abundant organic matter, which can promote the growth and improve the yield and quality of crop.
沼液和沼渣是新型环保优质肥料，其中含有较全面的养分和丰富的有机质，可促进农作物生长和提高其产量与品质。
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.
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。
The results revealed soil erosion types diversified, erosion module was higher, the effects of soil erosion on land productivity mainly involved intodestroying land quality and reducing crop yield.
分析结果表明：该区土壤侵蚀类型多样，侵蚀模数高； 土壤侵蚀对土地生产力的影响主要表现为破坏土地质量，降低农作物产量。
Soil nutrients is an important material basis for soil fertility, it directly affects the normal crop growth and harvest yield and quality.
土壤养分是土壤肥力的重要物质基础，它直接影响作物正常生长发育及收获物产量和质量。
As a crop which should be paid equal attention to yield and quality, the quality of tobacco greatly varies with the conditions of soil, breed, planting technique, climate and cooling technology.
烟叶作为产量、质量并重的嗜好类作物，其质量受土壤、品种、栽培技术、气候和烘烤技术等诸多因素的影响。
The techniques of fertilizer application were improved, reasonable fertilizer usage contributed to crop yield and food quality significantly.
肥料应用水平有了明显提高。合理使用化肥，大大提高了农作物的产量，改善了作物品质。
This paper studies the influence on dynamic state of soil water salt, groundwater table, groundwater quality, crop growing and yield generated by saline water irrigation.
研究了咸水灌溉对土壤水盐动态、地下水位、地下水质、作物生长及产量的影响。
The field test of the organic-inorganic compound fertilizer is also made. The results show that the compound fertilizer can increase yield, upgrade crop quality and improve the soil properties.
结果表明，该有机-无机复混肥可有效提高作物产量，改善作物品质，并对土壤具有显著的改良作用。
Sugar beet (Beta vulgaris L. ) is an important sugar crop in the world, but its yield and quality are attacked severely by many diseases.
甜菜是世界上重要的糖料作物，但生产中甜菜病害较多，其产量和品质受到严重威胁。
Cotton is a full important economic crop, but cotton premature senility is one ofproblem mainly to affect cotton yield and quality in Tongling, Anhui province.
棉花是铜陵十分重要的经济作物，棉花早衰又是影响铜陵棉花产量和质量的主要问题之一。
The invention applies to the tea crop production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tea crop cultivation.
本发明应用于茶树作物的生产，能够改善泥土的结构及提供足够的水分、氧气及营养，提高种植茶树作物的产量及质量。
The invention applies to the tobacco crop growth, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tobacco crop cultivation.
本发明应用于烟草作物生长，能够改善泥土的结构及提供足够的水分、氧气 及营养，提高种植烟草作物的产量及质量。
Leaf early senescence directly reduces its photosynthetic capacity, decreasing crop yield and grain quality.
水稻叶片早衰直接影响作物的光合效率，减少产量，降低品质。
Rice is the principal cereal crops in China and its cultivated adaptability analysis is necessary for yield increase dependable crop and high quality.
水稻是我国主要粮食作物，进行水稻栽培适宜性分析是一项使水稻增产、稳产、优质的必不可少的工作。
It is important for the crop production of high quality, yield, and efficiency and unpolluted to improve nitrogen use efficiency (NUE) in wheat.
提高小麦的氮素利用效率是优质、高产、高效、无污染作物生产急需解决的重要问题。
Frequently, crop plants do not take up adequate amounts of iron from the soil, leading to chlorosis, poor yield and decreased nutritional quality.
农作物经常不能从土壤中吸收充足的铁营养以供正常生长的需求，从而导致失绿症、产量降低和营养品质下降。
Management practices of tillage, fertilization and irrigation can influence the level and quality of SOC of China, having effects on soils fertility and crop yield, as well as on global environment.
在耕种、施肥、灌溉等管理措施影响下，中国农田土壤中碳库的质和量发生了较大变化，这不仅影响了土壤肥力及作物产量，而且对区域及全球环境带来影响。
Management practices of tillage, fertilization and irrigation can influence the level and quality of SOC of China, having effects on soils fertility and crop yield, as well as on global environment.
在耕种、施肥、灌溉等管理措施影响下，中国农田土壤中碳库的质和量发生了较大变化，这不仅影响了土壤肥力及作物产量，而且对区域及全球环境带来影响。
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