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T1 total biomass production was significantly lower than that of the other two treatments for all years and seasons, with no significant differences between T2 and T3. Three fertilizer treatments were applied:. Chin J Rice Sci, , Zhang, Significant acidification in major Chinese croplands, Science Effect of elevated [CO2] and nutrient management on wet and dry season rice production in subtropical India. Anuar, Effects of controlled release urea on the yield and nitrogen nutrition of flooded rice, Commun. Materials and methods 2.

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Nitrogen use efficiency in rice is often low as a result of high N loss through volatilization, leaching, and denitrification.

A single amino acid difference distinguishes resistant and susceptible alleles of the rice blast resistance gene Pi-ta. Identification of SSR markers for a broad-spectrum blast resistance gene Pi20 t for marker-assisted breeding.

Download this article Download. Equal total biomass production was responsible for the similar grain yield between the two treatments.

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Weeds were controlled using herbicides and hand pulling. Grain yield was obtained from a 5 m2 area in each plot and adjusted to the standard moisture content of 0. Genetic material An early-season rural conventional rice variety "Zhongjiazao 17" was used for early-season experiments.

Crop Sci, Daily maximum and minimum temperatures during the experimental period. These are major cultivars currently widely used in China's Yangtze River valley.

Leaching, runoff, and volatilization are the major N loss pathways. Yang, Grain quality changes and responses to nitrogen fertilizer of japonica rice cultivars released in the Yangtze River basin from the s to s, Crop J. cras01

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That author indicated that the main mechanisms for increasing rice yield using a single basal application of controlled-release fertilizers should be attributed to greater soil N supply availability. Nitrogen use efficiency is a widely used index dars01 evaluating fertilizer management efficiency, and it can be further separated into different component indices to represent diverse aspects [25,26].

All fields Title Author Abstract Keyword. Grain yield and yield attributes There was no significant difference in grain yield between T2 and T3 in both years and seasons.

Discussion N loss is a severe problem in rice cultivation. The yield of XND-treated rice was only 3.

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LAI at flowering was significantly different between treatments. XND T3 was used as basal fertilizer once before planting rice. Analyzing avirulence genes of Magnaporthe oryzae from Heilongjiang province and screening rice germplasm with resistance to blast fungus.

The labor cost of fertilization of XND was only half that of cafs01 ordinary compound fertilizer. T2 consistently produced more panicles m- 2 regardless of year or season, but significantly more than T3 only in the late season. In the present jj- the rice yield was 3.

Pyramiding of insect- and disease-resistance genes into an elite indica. A late-season hybrid rice variety "Shengtaiyou " Shengtaiyou A x was used for late-season experiments.

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Measurement and sampling 2. Nie, PA Dai, Y.

Chin J Rice Sci, Germinated seeds were sown in nursery beds at a rate of 30 g m-2 on May 23 for early season and June 27 for late season in both years. Many studies have found that CRF applications significantly increase nitrogen use. Leaf area index LAI of early and late season rice under three fertilizer treatments in and Although fertilization drives productivity, nitrogen use efficiency in rice production is very low, with nitrogen use efficiency in China averaging only Pyramiding of translucent endosperm mutant Wx-mq gene and Stv-bi for resistance to rice stripe virus by Marker-assisted selection in rice Oryza sativa L.