Results 251 to 260 of about 487,482 (306)

The complete chloroplast genome of <i>eriochloa villosa</i> (thunb.) kunth. [PDF]

open access: yesMitochondrial DNA B Resour
Cheng H, Huang Y, Li M, Fan L, Li J.
europepmc   +1 more source

Effect of diverse crop establishment techniques and weed management approaches in rice-chickpea cropping systems on soil attributes. [PDF]

open access: yesBMC Plant Biol
Kusumavathi K   +7 more
europepmc   +1 more source

Weeds and weed control

1993
Weeds have been a major problem in sugar beet since the crop was first grown in the late 1700s. At the end of the eighteenth century, Achard (1799) was already stressing the need to control weeds before the crop was sown. He also noted that once sugar beet was clear of competition from early-emerging weeds it would grow vigorously and smother weeds ...
Robert G. Wilson, M. J. May
openaire   +2 more sources

Weed species and weed communities

Vegetatio, 1978
One of the most satisfying experiences of phytosociological work is the moment when out of the mass of amorphous data begins to crystallize a lattice of general principles and an understanding of vegetation and its ecology. But if one works still further and gathers more and more knowledge in one and the same field, one reaches a deeper level. The more
openaire   +2 more sources

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