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西南地区

Southwest Region

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12 Jan 2016Banana quality and yield affected by optimal rates and of ratios of nitrogen and potassium fertilizers in Guangdong

Differing from many other crops, banana is a crop that needs sufficiently higher amount of potassium (K) than nitrogen (N) to obtain best yield and quality. Besides fertilization rates, the ratio of K ...

04 Jan 2016Effects of K sources on yield and quality of Chinese cabbage in Chongqing

Both potassium chloride (KCl) and potassium sulfate (K2SO4) are commonly used in agricultural production. People used to apply KCl on grain and oil crops, but for vegetables, which fertilizer should b ...

19 Jun 2015An Introduction to Yunnan Province

Yunnan province enjoys fame as the kingdom of mountains, the hometown of rivers, and is a treasure bowl of plant genes. There are more than 18,000 species of higher plants (including 2,500 ornamental, ...

19 Jun 2015An Introduction to Tibet

To the north of the Himalayas within the Chinese borders, lies the Tibet Autonomous Region of China - the Roof of the World, with an area of 1,202,230 square kilometers and a population of 3. 08 milli ...

19 Jun 2015An Introduction to Sichuan Province (The Land of Abundance)

Sichuan province, heavily populated, and situated in southwest China, is a large inland province known for its agricultural production capabilities. Its population was 81. 4 million at the end of 2014 ...

19 Jun 2015An Introduction to Hainan Province (Coco Island)

Hainan province, also known as the Coco Island and abbreviated as Qiong, is the second largest island in China only after Taiwan, and whose capital is Haikou city. Hainan covers more than two million ...

19 Jun 2015An Introduction to Guizhou Province

Guizhou province, as the major part of the Yunnan-Guizhou Plateau, is located between 24037′- 29013′N and 103036′- 109035′E. Hunan province lies to its east, to its south is Guangxi province, Yunnan p ...

19 Jun 2015An Introduction to Guangxi Province

Guangxi province is located between 20054′- 26024′ N and 104026′- 112004′E. To its south is Beibu Bay, to its north is the Nanling mountains and the Yunnan-Guizhou Plateau lies to its west. It covers ...

19 Jun 2015An Introduction to Guangdong Province

Guangdong province is located between 20013′- 25031′N and 109041′- 117020′E. It occupies a land area of 179. 8 thousand sq. km and has a cultivated land area of 4. 34 million ha, which is one of provi ...

19 Jun 2015An Introduction to Chongqing

Chongqing used to be part of Sichuan province. In 1997 it was municipalized and since then it has become the biggest economic centre in the upper reaches of the Yangtze River. Two large rivers (Yangtz ...

15 Apr 2015Controlled release urea with plastic mulch significantly reduces nutrient losses from sloping lands

In order to understand effects of nitrogen sources and plastic mulching on fluxes and pathways of soil nutrient losses, a randomized block experiment design was employed with two factors and four nitr ...

15 Apr 2015Potassium deficiency in rice induced early heading

In a long-term field experiment with rice-wheat rotations conducted in Guanghan city, Sichuan province of China, it is of interest to observe that the K omission plot has headed about one week earlier ...

15 Apr 2015Increased times of N splitting at vegetative growth period can advance banana blossom

In a field experiment to test effects of different rates and timings of controlled release urea (CRU) against regular urea (RU) on banana growth, it was observed that the CRU applied in three splits a ...

24 Jan 2015Effects of N and K rates on yield of summer Chinese cabbage in Chongqing

Chinese cabbage is one of the most widely year-round-grown leafy vegetables in China. Nutrient studies on Chinese cabbage conducted in the past were mostly targeted for winter varieties. Thus, the pur ...

24 Jan 2015Nutrient management for sorghum in Chongqing

Sorghum is a key ingredient in liquor production. In recent years, the demand for liquor has increased considerably, and so the area planted to sorghum has increased. The aim of this experiment was to ...

24 Jan 2015Validation studies for fertilizer recommendations made by Nutrient Expert in Yunnan province

Three field experiments were carried out to validate fertilizer recommendations for maize made by the Nutrient Expert (NE) in Yunnan province in 2013. The experiments were arranged in three locations ...

24 Jan 2015Effect of balanced fertilization on red dragon fruit in Guangxi

In order to investigate yield limiting factors in red dragon fruit production and examine the optimal rates of K on the soils where red dragon fruit mainly grows, a two-year field experiment was condu ...

13 Nov 2014Effect of balanced fertilization on yield and quality of potato in an acid soil in Chongqing, China

On an acid soil, not only optimal fertilizer application but neutralizing soil acidity is important to high yield and quality of potato production. Among the liming materials tested, quick lime was mo ...

13 Oct 2014Effect of Different Fertilizer Treatments on eggplant Production in Hainan

Abstract: Due to high economic returns of vegetable production, overdosing fertilizers is quite common in the vegetable bases in China. Thus, the purpose of this study was to determine the optimal fer ...

08 Oct 2014Effect of Controlled-Release Urea on Banana yields in Guangxi

Abstract: Applying controlled-release urea (CRU) to crops with long growing seasons is considered to be an idea practice to reduce times of fertilizer applications and enhance nitrogen use efficiency. ...

08 Oct 2014Effect of Different Fertilizer Treatments on eggplant Production in Hainan

Abstract: Due to high economic returns of vegetable production, overdosing fertilizers by farmers is quite common in the vegetable bases in China. Thus, the purpose of this study was to determine the ...

09 Jul 20144R Banana Manual

Chinese Version

10 Jan 2014Soil fertility on sloping lands is mainly affected by nutrient management practices and land slope

A study was conducted to investigate the soil nutrient status on sloping lands as affected by elevation and land use in Qujing, Yuannan province. The results showed that the contents of soil organic m ...

10 Jan 2014Nutrient requirement by Shatang tangerine fruit and tree was determined

Shatang tangerine is an orange variety that grows in Guangdong province and is very sweet and popular in China. Due to its high profitability, its growing areas have extended very fast and farmers aff ...

10 Jan 2014Controlled-release urea increased maize yield and nitrogen use efficiency and reduced nitrogen rate

Two-year field experiments were conducted to investigate the effects of controlled-release urea (CRU) on maize yield and nitrogen use efficiency under rainfed and plastic mulching conditions in Yunnan ...

10 Jan 2014Liming acid soil and balanced fertilizers boosted potato yield

Potato is a common crop in the hilly areas of the southwest China. However, most of this crop is grown on acid soil with soil pHs below 5. 5, which seriously limits potato yield and quality. Field exp ...

09 Oct 2012Introduction to the Southwest Region of China

There are eight provinces involved in the southwest China program of the International Plant Nutrition Institute, including Tibetan Autonomous District, Guangxi Autonomous District of Zhuang Nationali ...

09 Oct 2012Grain Crops of Southwest China

Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Tibet, Yunnan

09 Oct 2012Fertilization Rate in Southwest China

Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Tibet, Yunnan

09 Oct 2012Cash Crops of Southwest Region in China

Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Tibet, Yunnan

09 Oct 2012IPNI China Programme Annual Meeting in Hainan

Together with Annual Meeting of IPNI Balanced Fertilization Program of China, the Annual Meeting of Southwest China was held in Haikou from February 13 to 16, 2012. During the meeting, IPNI collaborat ...

08 Oct 2012Potassium is more easily mined from soil pool than phosphorus

P and K management in rice - wheat rotation system

08 Oct 2012Returning crop residue to soil alleviates potassium deficiency

Nutrient management under straw mulch

11 Oct 2010A farmers' training course on balanced fertilization on vegetables in Chongqin

A farmers' training course on balanced fertilization on vegetables was conducted in early September 2011 in Quxi Village, Zhenxi Town, Huling District, Chongqing. This district is the origin of the sp ...

16 Jan 2009Cold Winter Caused Serious Phosphorus Deficiency on Wheat

China has just experienced a unusual clod winter in history. It is said that the possibility of such coldness was one in fifty years. Southern China, including Hunan, Hubei, Jiangxi, Anhui, Guzhou, Gu ...

15 Jan 2009Balanced Fertilization Improves Soil Conservation in Sichuan

Balanced fertilization improves crop yield . Three-year field experiments were conducted to study effect of balanced fertilization on crop yield and soil erosion in Ziyang County, Sichuan province. Fe ...

15 Jan 2009Alley Cropping and Balanced Fertilizer - A New Conservation Technology on Sloping Lands

The effectiveness of combining balanced fertilizer use with alley cropping is being evaluated as a measure to improve farmers’ income by reducing water and soil loss on erosive farmlands in a hilly re ...

09 Jan 2009Effect of Ag-lime on Broadbean Production in Yunnan Province

The majority of soils in Yunnan province are acidic with a pH of 4. 0 to 5. 5. Acidity induced adverse soil conditions usually reduces availability of indigenous soil P, K and some other nutrients and ...

18 Dec 2008Balanced Fertilization on Cash Crops in Southwest China

Balanced fertilization on production of high-yield Baxi banana Application technologies of K, Mg and S for the first and second Baxi banana plant were studied. The vegetative growth, floral emergence, ...

16 Dec 2008Adrian Johnston, vice president of IPNI visited Guangdong

Adrian Johnston,vice president of IPNI accompanied by Dr. Tu Shihua, director of IPNI Chengdu Office visited Soil and Fertilizer Institute, Guangdong Academy of Agricultural Sciences and the field tri ...