U Sheliwa ha Pre-emergent Herbicide
Tshifhinga tsha pre-emergent herbicide zwi vha zwi tshi khou bva kha lushaka lwa tillage ine ya vha uri yo shumiswa. Kha mabulasi hune ha shuma ya conventional tillage, herbicides inga tavhanya ya sheliwa hu tshi tou fhedza u tavhiwa u itela uri tshene i songo wana tshikhala tsha u mela, vha ralo vho Gavin Matthews vha tshi khou tsivhudza, kha article ya vho ya Pre-emergent herbicides remain important zwo ganndiswaho kha bugu ya Grain SA’s Pula Imvula magazine.Arali u tshi khou shumisa tillage yo linganelaho, u nga shela ine ya vha uri yo fhiswa u itela uri u kone u vhulaya tshene ine ya nga vha yo mela wa kona do vha wa shela u itela uri na ine ya khou toda u mela i sa tsha wana tshikhala tsha u mela. Kana ho shuma conventional tillage kana minimum-tillage, herbicides i fanela u shleliwa zwi tshi khou bva kha mutsho u thusa kha mishonga uri i kone u bva kha mavu i tshinyadze mbeu ya tshene.
Post-emergent Herbicide Application
Post-emergent herbicides ndi dzine dza farea herbicides, zwine zwa amba uri dzi fanela u dzhena nga matari atshene uri dzi kone u tshinyadza tshimela. Kha article ya vho, Keep the enemy at bay, ine yo vhonala kha Grain SA’s Pula/Imvula magazine, Gavin Matthews vha na hezwi zwine vha tsivhudza zwone vhathu:Tsha u thoma, herbicide I fanela u sheliwa hu sina muya, u thivhela u phalala zwine zwa sia i songo tou shuma vhukuma kha tshene.
Zwine zwa sa fane na pre-emergent herbicides ine ya fanela u sheliwa nga zwifhinga zwine ha vha ho thaba, post-emergent zwi fanela u sheliwa hu tshi kho fhisa, hune tshene dza vha dzi tshi khou hula dzi na maanda ndi hone hune wa do shuma vhukuma. Musi tshene yo o ima isa tsha hula, mushonga u do vha usi tshena maanda.
Tsha vhuraru, mushongo u fanela u shumiswa nga tshikalo tsha vhudi tsha madi. Nga ndivho, zwine zwa swia 150litre dza madi dzi nga sheliwa nga hectare uri hu kone uvha na mushonga une wa nga vala tshimela. Tshikalo tsha madi zwinwe zwi ya vha zwi tshi khou bva kha zwishumiswa zwa hone, kana zwi vha zwa vhudi u vhidza vhane vha vha uri vha ya divha, vha do kona u vha na tsivhudzo.
Tsha vhuna, i fanela u sheliwa nga luvhilo u shavhisa uri unga shela zwine zwa vha uri zwo kalula uya tambisea hune wavha u tshi khou sheliwa nga zwituku. Mufafadzeli u fanela u shumisa luvhilo lwone lwa mushonga zwine zwi ya bva na kha nzulelo ya tsimu. 10 km nga awara zwi vha zwo luga zwiya kona u thusa na kha u vhalela.
Tsha u fhedza, u fana na zwa u nambatedza zwi nga shumiswa u itela uri mushonga u kone u shuma. Tsha u nambatedza tshi ya ita uri mushonga u nambatele kha matari, zwa dovha zwa sa vhe zwavhudi kha mvula ine ya nga da nga murahu ha u fafadzela. Hafhu vhane vha divha nga mushonga vha fanela u kwamiwa uri vha ambe uri ndi mushonga u fhio une wa nga shuma.
Tsha u fhedzisa hafhu vhalimi vha fanela u zwiita mafhungo uri vha khou shumisa mushonga une wavha uri wo tea, nga manwe maipfi hoyo iune wa do vhulaya zwine zwa khou tea u fa u sa khou tshinyadza tshimela.
Translated by Khalirendwe Nekhavhambe