河南中源科農(nong)環保技術有限公司(si)
聯系人:趙總
電話:15036021888
電話:18503775966
聯系人:邢(xing)總
電話:18037717666
固(gu)話: 0371-68086815
網(wang)址:mjmgs.com.cn
地址:鄭州市鄭東新區(qu)商都路(lu)22號D5號樓1-3層003號
南陽分公司/溫(wen)室大(da)棚骨架(jia)配件加工(gong)基地:河南省(sheng)南陽市淅川(chuan)縣上集(ji)鎮
四、連茬(cha)障礙。河(he)南溫(wen)室(shi)廠家(jia)(jia)認為就是(shi)在(zai)同(tong)(tong)一(yi)(yi)大棚中(zhong),年年或者季季種(zhong)同(tong)(tong)一(yi)(yi)類別(bie)或同(tong)(tong)一(yi)(yi)種(zhong)蔬(shu)菜,而(er)產量和(he)產品質量逐(zhu)年下降。河(he)南溫(wen)室(shi)廠家(jia)(jia)說說產生障礙的原(yuan)因,一(yi)(yi)是(shi)同(tong)(tong)類或同(tong)(tong)種(zhong)蔬(shu)菜偏(pian)愛某種(zhong)營養元素(su)(su),這類元素(su)(su)補充(chong)不及(ji)時易出現缺素(su)(su)癥(zheng);二是(shi)土(tu)壤病原(yuan)菌的積累(lei)引發(fa)病害造成(cheng)(cheng)死苗,如枯萎病、枯黃萎病;三(san)是(shi)同(tong)(tong)一(yi)(yi)蔬(shu)菜根系分泌物質易導致(zhi)土(tu)壤微生物群落結(jie)構失去平衡,造成(cheng)(cheng)土(tu)壤老化。