The results show that the order of main limited factors affecting rice yield planted in the acid yellow paddy soil is N>P>K>Ca>B>Mo and the best fertilizer application formulation for higher rice yield in the tested area is 17.

Annual variation of major nutrients and limiting factors in Laizhou Bay and Sanggou Bay;

To improve and coordinate Limiting factors, water conservancy projects should be set up, population should be strictly controlled, and livestock farming should be beveloped.

Abio phosphor's content is the limit factor deciding red tide's occur.

This paper analyses the potential of cotton by using FAO agriculture zoology calculation method in risk areas,according to the natural resource,estimates and appraises light temperature and calimate potential yield of cotton,compares with reality yield,finds the main limit factor.

This paper analyse the potential yield of cotton by using FAO agricultral zoology cacutation method in ShiHezi,according to the nature resourse of ShiHezi,estimate and appraise light temprature and climate potential yield of cotton,compare with reality yield,finding the main limit factor,it will submit suitable methods of magament and offer basis for agricultrue.

Restricting factors of bacteria growth were studied by pure culture and natural culture test.

Study on limiting factors of water eutrophication of the network of rivers in plain.;

Quantitative appraisal and limiting factors analysis of sustainable development;

In order to find the soil nutrients limiting-factors of the Rice spike develop abnormality in Jianghuai Hilly Land ,the soil nutrients limiting factors in those areas were studied with a systematic approach technique on soil nutrient status through laboratory analysis,absorption study,pot experiment and using sorghum as indicator plant in Feidong,Changfeng and Yingshang in Anhui province.