Scientia Silvae Sinicae ›› 1999, Vol. 35 ›› Issue (zk): 106-112.
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Shaoyuan Wang1,Yingtong He1,Xiangfu Zeng1,Hongbo Zheng1,Jinyun Peng2
Online:
Published:
Abstract:
A test of the effects of fertilization was done with fertilizing the ordinary N, P, K elements from 1991~1995 in several experimental areas selected from three representative site types of Soil in Jianghan plain, Hubei Province. The results shows: Overall significant effects of single N element; Overall bador not better effects of single P or K element, even a significantly negative effect in wet clay soil of theplain(siteⅠ)which is only suitable for single N element; The best effect of mixed N and P elements in theplain alluvial soil(site Ⅱ)and sedimentary soil in the lake region(site Ⅲ); The best application rate(total): 400kg N/hm2 for siteⅠ; (200kg N+100kg P2O5)/hm2 for site Ⅱ; (100kg N+100kgP2O5)/hm2for site Ⅲ; fertilizers are urea for N, calcium superphosphate for P2O5, respectively; 35%~75%increment in growing stock, which is equal to increasing 6~11 thousand yuan/hm2 in total within five years(1991~1995).
Key words: Southern type of poplar tree, Site type of soil, The effect of fertilization
Shaoyuan Wang,Yingtong He,Xiangfu Zeng,Hongbo Zheng,Jinyun Peng. EFFECTS OF FERTILIZATION IN THE DIFFERENT SITE TYPES OF SOIL FOR POPLAR TREE[J]. Scientia Silvae Sinicae, 1999, 35(zk): 106-112.
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http://www.linyekexue.net/EN/Y1999/V35/Izk/106
Table 1
Climatic conditions"
Table 2
Background chemical properties in every plot"
Table 3
The levels of the test elements"
Table 4
The score of elements of stock volume in fertilization-effect models by the end of 5 years in every plot"
Table 5
The result of covariance analysis of growing effect in every plot"
Table 6
The estimating volume increment every year in effect models of spreading fertilizer in the first plot"
Table 7
Multiple comparison of volume increment by the end of 5 years in every plot"
Table 8
The economic benefit evaluation of every superior fertilization treatment in every plot"
Table 9
Comparing the average content of N、P、K in poplar leaves tissue among the different plots"
