搜索结果: 1-15 共查到“作物学 yields”相关记录28条 . 查询时间(0.062 秒)
Determinants of changes in harvested area and yields of major crops in China
major crops harvested area Determinants of changes
2024/4/1
Global agricultural production has risen substantially in recent decades and needs to rise further to meet the ever-growing food demand. While higher production can be directly attributed to agri...
NSF-funded scientists at Cold Spring Harbor Laboratory are figuring out how to pack more kernels onto a corn cob. One way to boost the productivity of a plant, they say, is to redirect some of its res...
How much do climate fluctuations matter for global crop yields?（图）
climate fluctuations global crop yields
2019/10/23
The El Niño-Southern Oscillation, ENSO, has been responsible for recent widespread, simultaneous crop failures, according to a new study by researchers at Columbia University, the International F...
Discovery of new stem cell pathway indicates route to much higher yields in maize,staple crops
new stem cell pathway much higher yields maize staple crops
2016/5/19
Biologists at Cold Spring Harbor Laboratory (CSHL) have made an important discovery that helps explain how plants regulate the proliferation of their stem cells. The discovery has near-term implicatio...
Effects of Nitrogen Application Rate on the Yields, Nutritive Value and Silage Fermentation Quality of Whole-crop Wheat
Nitrogen Application Nutritive Value Silage Whole-crop Wheat Yield
2016/11/10
Whole-crop wheat (Triticum aestivum L.) as forage has been extensively used in the world. In this study, the effects of N application rates on the yields, nutritive value and silage quality were inves...
Potential of legume-cereal intercropping for increasing yields and yield stability for self-sufficiency with animal fodder in organic farming
barley field trials intercrop organic agriculture pea wheat
2014/7/9
Intercropping of grain legumes and cereals is a promising theme in organic farming for its potential for increasing and stabilizing yields, reducing weed pressure and sustaining plant health. On anima...
Evaluation of yields of seven upland rice (Oryzae sativa) cultivars sown by three methods in Anyigba, Kogi State, Nigeria
Sowing method establishment count plant height
2011/1/12
Yield is the characteristic by which a cultivar is commonly judge. A cultivar may be considered satisfactory only if it is able to produce a good yield in comparison to others at various times and in ...
Effect of Plant Spacing and N Rates on the Growth and Yields of Rice at Abakaliki Ebonyi State, Southeast Nigeria
Plant spacing N rates Rice crop Rice growth and Rice grain yield
2010/11/16
To elicit information on the optimum spacing and N fertilizer rates for rice production under
rain fed conditions at Abakaliki Agro-ecological zone, field trials were conducted at Ikwo with rice vari...
Effectiveness of phosphorus application in improving regional soybean Yields under drought stress: A multivariate regression tree analysis
Soybean yield variability phosphorus drought strategy threshold
2011/1/13
Scarcity of water often reduces the regional production of soybean (Glycine max (L.) Merr.) in many areas where it is grown. Contemporary climate change is characterized by increase in frequency and i...
Response of grain and protein yields of triticale varieties at different levels of applied nitrogen fertilizer
Nitrogen fertilizer triticale protein yield grain yield
2011/1/12
The grain yield and grain protein content of winter triticale in dry farming can be significantly affected by environmental conditions and different nitrogen (N) levels. Two year field trials with six...
Evaluation of late season drought effects on seed and oil yields in spring safflower genotypes
Drought stress path analysis safflower seed and oil yields
2010/10/29
Seed and oil yields, their components, and the relationships among yield and related traits were measured in 5 spring safflower (Carthamus tinctorius L.) genotypes, Local Arak, Local Esfahan, Sina, KH...
Case Studies on High Yields of Paddy Rice in Jiangsu Province, China:II. Analysis of characters related to lodging
Breaking resistance China High yield Lodging index Paddy rice Shan You 63
2009/8/4
To clarify lodging resistance of high yield examples, characters related to lodging of Shan You 63 (F1 hybrid rice) with 965 gm-2 of a brown rice weight were analyzed. There were various factors for e...
Case Studies on High Yields of Paddy Rice in Jiangsu Province, China:I. Characteristics of grain production
China Grain production High yield Paddy rice Shan You 63 Translocation
2009/8/4
Analysis of the characteristics of grain production of 965 gm-2 obtained by Shan You 63 (F1 hybrid rice) in 1991 was carried out Absorption of nitrogen reached 21 gm-2 up to the time of heading, and a...
Can Yields of Lowland Rice Resume the Increases that They Showed in the 1980s?
Aerobic culture Controlled release fertilizers Early transplanting Hybrids Plant density SRI
2009/7/24
The annual rate of rice yield increase in the world declined from 2.7 % in the 1980s to 1.1 % in the1990s. The continued world population increase requires resumption of the previous rate. The objecti...
Nitrogen and Potassium Fertility Impacts on Aggregate Sheath Spot Disease and Yields of Rice
Nitrogen Nutrient-disease interaction Potassium Rhizoctonia oryzae-sativae Rice
2009/7/23
Aggregate sheath spot (AgSS), a disease caused by Rhizoctonia oryzae-sativae, is one of the major rice (Oryza sativa L.) diseases in California. A three year study was initiated in 1998 to evaluate t...